[OSPP]Add more observability in apollo config client #74

Rawven · 2024-08-01T09:28:08Z

What's the purpose of this PR

discussions OSPP2024
test cases Test

Which issue(s) this PR fixes:

Issue

Brief changelog

XXXXX

Follow this checklist to help us incorporate your contribution quickly and easily:

[✔ ] Read the Contributing Guide before making this pull request.
Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
Write necessary unit tests to verify the code.
[❌] Run mvn clean test to make sure this pull request doesn't break anything.
Update the CHANGES log.

Summary by CodeRabbit

New Features
- Added a new entry in the release notes for Apollo Java version 2.4.0: "Add more observability in apollo config client."
- Introduced several monitoring APIs for exceptions, namespaces, bootstrap arguments, and thread pools, enhancing visibility into system performance.
- Launched the ApolloClientBootstrapArgsMonitorApi, ApolloClientNamespaceMonitorApi, and ApolloClientThreadPoolMonitorApi to manage configuration parameters and resource metrics.
- Enhanced monitoring capabilities with structured logging for metrics and events.
- Added a ConfigMonitorInitializer class to facilitate the setup of monitoring components.
Improvements
- Enhanced error handling in various services by using defined constants for logging.
- Updated metrics collection mechanisms to track configuration loading durations and exception occurrences efficiently.
- Added new configuration properties for improved control over monitoring settings.
Bug Fixes
- Refined logging and error tracking to ensure consistency and accuracy in reporting metrics.
Tests
- Introduced comprehensive unit tests for newly added monitoring features and functionality.
- Implemented tests for the ApolloClientMonitorContext, ApolloClientMetricsExporter, and other monitoring components to ensure correct functionality.

github-actions · 2024-08-01T09:28:20Z

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

Rawven · 2024-08-01T09:29:44Z

I have read the CLA Document and I hereby sign the CLA

coderabbitai · 2024-08-01T09:30:47Z

## Walkthrough
The changes in this pull request involve an update to the `CHANGES.md` file, specifically the addition of a new entry for Apollo Java version 2.4.0. This entry documents the feature "Add more observability in apollo config client," which is linked to pull request #74. The update is part of the release notes and is positioned alongside existing entries that cover various fixes and features related to configuration bean definitions and open API query namespace support.

## Changes

| Files            | Change Summary                                                                                           |
|------------------|---------------------------------------------------------------------------------------------------------|
| `.../CHANGES.md` | Added new entry: "Add more observability in apollo config client" for Apollo Java version 2.4.0.       |

## Possibly related PRs
- #78: This PR updates the version to 2.4.0-SNAPSHOT and reflects changes in the `CHANGES.md` file, which is directly related to the addition of the new entry for "Add more observability in apollo config client" in the main PR.

> 🐇 "In the garden, changes sprout,  
> Observability, there's no doubt!  
> Apollo's notes now sing with glee,  
> Config insights, wild and free!  
> With every hop, we celebrate,  
> New features bloom, oh, isn’t it great!" 🌼

📜 Recent review details

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Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 004df52 and d75df39.

📒 Files selected for processing (1)

CHANGES.md (1 hunks)

✅ Files skipped from review due to trivial changes (1)

CHANGES.md

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Rawven · 2024-08-01T10:04:37Z

@Anilople PTAL

coderabbitai

Actionable comments posted: 25

Outside diff range, codebase verification and nitpick comments (17)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1)
19-23: Class-level Javadoc is clear but could be more descriptive.

The Javadoc for the class MonitorConstant is clear but could benefit from a more detailed description of the class's purpose.
- * metrics constant
+ * This class holds constants used for metrics in the Apollo monitoring system.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloExceptionMonitorApi.java (1)
22-24: Class-level Javadoc is minimal but acceptable.

The Javadoc for the interface ApolloExceptionMonitorApi is minimal. It would be beneficial to add a more detailed description of the interface's purpose.
- * @author Rawven
+ * This MXBean interface defines methods for monitoring exceptions in the Apollo client.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollectorManager.java (1)
22-24: Class-level Javadoc is minimal but acceptable.

The Javadoc for the interface MetricsCollectorManager is minimal. It would be beneficial to add a more detailed description of the interface's purpose.
- * @author Rawven
+ * This interface defines methods for managing metrics collectors in the Apollo monitoring system.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1)
22-32: Consider adding Javadoc comments for interface methods.

Adding Javadoc comments for each method will improve the readability and maintainability of the code by providing clear descriptions of the methods' purposes and expected behavior.
/**
 * Interface for monitoring various aspects of the Apollo client.
 */
public interface ConfigMonitor {

  /**
   * Gets the thread pool monitor API.
   *
   * @return the thread pool monitor API
   */
  ApolloThreadPoolMonitorApi getThreadPoolMonitorApi();

  /**
   * Gets the exception monitor API.
   *
   * @return the exception monitor API
   */
  ApolloExceptionMonitorApi getExceptionMonitorApi();

  /**
   * Gets the namespace monitor API.
   *
   * @return the namespace monitor API
   */
  ApolloNamespaceMonitorApi getNamespaceMonitorApi();

  /**
   * Gets the running parameters monitor API.
   *
   * @return the running parameters monitor API
   */
  ApolloRunningParamsMonitorApi getRunningParamsMonitorApi();

  /**
   * Gets data formatted according to the current monitoring system.
   *
   * @return data in the current monitoring system format
   */
  String getDataWithCurrentMonitoringSystemFormat();
}
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullExceptionMonitorApi.java (1)
23-33: Consider adding Javadoc comments for class and methods.

Adding Javadoc comments will improve the readability and maintainability of the code by providing clear descriptions of the class's purpose and the methods' behavior.
/**
 * A null implementation of the {@link ApolloExceptionMonitorApi} that returns default values.
 */
public class NullExceptionMonitorApi implements ApolloExceptionMonitorApi {

  /**
   * Returns the number of exceptions.
   *
   * @return the number of exceptions, always 0
   */
  @Override
  public Integer getExceptionNum() {
    return 0;
  }

  /**
   * Returns the details of exceptions.
   *
   * @return an empty list, indicating no exceptions
   */
  @Override
  public List<String> getExceptionDetails() {
    return Collections.emptyList();
  }
}
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsModel.java (1)
26-47: Consider adding Javadoc comments for class and methods.

Adding Javadoc comments will improve the readability and maintainability of the code by providing clear descriptions of the class's purpose and the methods' behavior.
/**
 * A model representing metrics with tags, name, and type.
 */
public class MetricsModel {

  protected final Map<String, String> tags = new HashMap<>();
  protected String name;
  protected MeterType type;

  /**
   * Gets the name of the metric.
   *
   * @return the name of the metric prefixed with "Apollo_Client_"
   */
  public String getName() {
    return "Apollo_Client_" + name;
  }

  /**
   * Sets the name of the metric.
   *
   * @param name the name of the metric
   */
  public void setName(String name) {
    this.name = name;
  }

  /**
   * Gets the type of the metric.
   *
   * @return the type of the metric
   */
  public MeterType getType() {
    return type;
  }

  /**
   * Gets the tags associated with the metric.
   *
   * @return the tags associated with the metric
   */
  public Map<String, String> getTags() {
    return tags;
  }
}
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporter.java (3)

28-28: Consider adding more detailed documentation.

While the interface is well-defined, adding more detailed documentation for each method would improve readability and maintainability.

33-33: Clarify the purpose of the init method parameters.

The init method lacks detailed documentation on the parameters, especially collectPeriod. Consider adding descriptions for better clarity.

40-40: Clarify the purpose of the isSupport method parameter.

The isSupport method lacks detailed documentation on the form parameter. Consider adding a description for better clarity.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullRunningParamsMonitorApi.java (1)
21-21: Class NullRunningParamsMonitorApi does not fully implement ApolloRunningParamsMonitorApi.

The following methods from ApolloRunningParamsMonitorApi are not implemented in NullRunningParamsMonitorApi:

getAccessKeySecret

getAutoUpdateInjectedSpringProperties

getBootstrapEnabled

Please ensure that all methods from the interface are implemented.

Analysis chain

Class NullRunningParamsMonitorApi implements ApolloRunningParamsMonitorApi.

Ensure that ApolloRunningParamsMonitorApi provides necessary functionality and is correctly implemented.
Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify the definition and implementation of `ApolloRunningParamsMonitorApi`.

# Test: Search for the `ApolloRunningParamsMonitorApi` interface definition. Expect: Correct interface definition and implementation.
rg --type java -A 10 $'interface ApolloRunningParamsMonitorApi'
Length of output: 1426

Script:
#!/bin/bash
# Description: Verify the implementation of methods from ApolloRunningParamsMonitorApi in NullRunningParamsMonitorApi.

# Test: Search for the method implementations in NullRunningParamsMonitorApi.
rg --type java -A 10 'class NullRunningParamsMonitorApi' -g '*.java' | grep -E 'getStartupParams|getConfigServiceUrl|getAccessKeySecret|getAutoUpdateInjectedSpringProperties|getBootstrapEnabled'
Length of output: 493

Script:
#!/bin/bash
# Description: Verify the implementation of missing methods from ApolloRunningParamsMonitorApi in NullRunningParamsMonitorApi.

# Test: Search for the specific method implementations in NullRunningParamsMonitorApi.
rg --type java -A 10 'class NullRunningParamsMonitorApi' -g '*.java' | grep -E 'getAccessKeySecret|getAutoUpdateInjectedSpringProperties|getBootstrapEnabled'
Length of output: 159
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MonitorMessageProducer.java (2)

141-145: Method implementation is a placeholder.

The logEvent(String type, String name, String status, String nameValuePairs) method is currently a placeholder and does not log events.

Consider implementing the event logging functionality or adding a TODO comment to indicate future implementation.

147-150: Method returns null.

The newTransaction(String type, String name) method currently returns null.

Consider implementing the transaction creation functionality or adding a TODO comment to indicate future implementation.
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (3)
65-77: Consider adding comments for better readability.

Adding comments explaining the purpose of each collector can improve the readability of the code.
DefaultConfigManager configManager = (DefaultConfigManager) ApolloInjector.getInstance(ConfigManager.class);
// Initialize exception collector
DefaultApolloExceptionCollector exceptionCollector = new DefaultApolloExceptionCollector();
// Initialize thread pool collector
DefaultApolloThreadPoolCollector threadPoolCollector = new DefaultApolloThreadPoolCollector(
    RemoteConfigRepository.m_executorService, AbstractConfig.m_executorService, AbstractConfigFile.m_executorService);
// Initialize namespace collector
DefaultApolloNamespaceCollector namespaceCollector = new DefaultApolloNamespaceCollector(
    configManager.m_configs, configManager.m_configLocks, configManager.m_configFiles, configManager.m_configFileLocks);
// Initialize running parameters collector
DefaultApolloRunningParamsCollector startupCollector = new DefaultApolloRunningParamsCollector(m_configUtil);
84-91: Consider adding comments for better readability.

Adding comments explaining the initialization process can improve the readability of the code.
DefaultConfigMonitor defaultConfigMonitor = (DefaultConfigMonitor) ApolloInjector.getInstance(ConfigMonitor.class);
// Retrieve specific collectors
DefaultApolloExceptionCollector exceptionCollector = (DefaultApolloExceptionCollector) collectors.get(0);
DefaultApolloNamespaceCollector namespaceCollector = (DefaultApolloNamespaceCollector) collectors.get(1);
DefaultApolloThreadPoolCollector threadPoolCollector = (DefaultApolloThreadPoolCollector) collectors.get(2);
DefaultApolloRunningParamsCollector startupCollector = (DefaultApolloRunningParamsCollector) collectors.get(3);
// Initialize the config monitor with the collectors and metrics exporter
defaultConfigMonitor.init(namespaceCollector, threadPoolCollector, exceptionCollector, startupCollector, metricsExporter);
93-112: Consider adding comments for better readability.

Adding comments explaining the purpose of each producer can improve the readability of the code.
// Prioritize loading user-defined producers from SPI
List<MessageProducer> producers = ServiceBootstrap.loadAllOrdered(MessageProducer.class);

// Add the producer that comes with the client if monitoring is enabled
if (m_configUtil.isClientMonitorEnabled()) {
  producers.add(new MonitorMessageProducer());
}

// Add CatMessageProducer if the class is present
if (ClassLoaderUtil.isClassPresent(CatNames.CAT_CLASS)) {
  producers.add(new CatMessageProducer());
}

// Add a default producer if no other producers are available
if (producers.isEmpty()) {
  producers.add(new NullMessageProducer());
}
return new MessageProducerComposite(producers);
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloRunningParamsCollector.java (2)
58-85: Consider adding comments for better readability.

Adding comments explaining the purpose of each parameter can improve the readability of the code.
public DefaultApolloRunningParamsCollector(ConfigUtil configUtil) {
  super(RUNNING_PARAMS, RUNNING_PARAMS);
  // Initialize map with various configuration parameters
  map.put(APOLLO_ACCESS_KEY_SECRET, configUtil.getAccessKeySecret());
  map.put(APOLLO_AUTO_UPDATE_INJECTED_SPRING_PROPERTIES,
      configUtil.isAutoUpdateInjectedSpringPropertiesEnabled());
  map.put(APOLLO_BOOTSTRAP_ENABLED,
      Boolean.parseBoolean(System.getProperty(APOLLO_BOOTSTRAP_ENABLED)));
  map.put(APOLLO_BOOTSTRAP_NAMESPACES,
      System.getProperty(APOLLO_BOOTSTRAP_NAMESPACES));
  map.put(APOLLO_BOOTSTRAP_EAGER_LOAD_ENABLED,
      Boolean.parseBoolean(System.getProperty(APOLLO_BOOTSTRAP_EAGER_LOAD_ENABLED)));
  map.put(APOLLO_OVERRIDE_SYSTEM_PROPERTIES, configUtil.isOverrideSystemProperties());
  map.put(APOLLO_CACHE_DIR, configUtil.getDefaultLocalCacheDir());
  map.put(APOLLO_CLUSTER, configUtil.getCluster());
  map.put(APOLLO_CONFIG_SERVICE,
      System.getProperty(APOLLO_CONFIG_SERVICE));
  map.put(APOLLO_CLIENT_MONITOR_EXTERNAL_TYPE, configUtil.getMonitorExternalType());
  map.put(APOLLO_CLIENT_MONITOR_ENABLED, configUtil.isClientMonitorEnabled());
  map.put(APOLLO_CLIENT_MONITOR_EXTERNAL_EXPORT_PERIOD,
      configUtil.getMonitorExternalExportPeriod());
  map.put(APOLLO_META, configUtil.getMetaServerDomainName());
  map.put(APOLLO_PROPERTY_NAMES_CACHE_ENABLE, configUtil.isPropertyNamesCacheEnabled());
  map.put(APOLLO_PROPERTY_ORDER_ENABLE, configUtil.isPropertiesOrderEnabled());
  map.put(APOLLO_CLIENT_MONITOR_JMX_ENABLED, configUtil.isClientMonitorJmxEnabled());
  map.put(APP_ID, configUtil.getAppId());
  map.put(ENV, configUtil.getApolloEnv());
  map.put(VERSION, Apollo.VERSION);
}
92-106: Consider adding comments for better readability.

Adding comments explaining the purpose of each case can improve the readability of the code.
@Override
public void collect0(MetricsEvent event) {
  switch (event.getName()) {
    case VERSION:
      // Update version in the map
      map.put(VERSION, event.getAttachmentValue(VERSION));
      break;
    case META_FRESH:
      // Update meta fresh time in the map
      map.put(META_FRESH, event.getAttachmentValue(META_FRESH));
      break;
    case CONFIG_SERVICE_URL:
      // Update config service URL in the map
      map.put(CONFIG_SERVICE_URL, event.getAttachmentValue(CONFIG_SERVICE_URL));
      break;
    default:
      break;
  }
}

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 6b0d4c7 and 1ba4e6f.

Files selected for processing (55)

apollo-client/src/main/java/com/ctrip/framework/apollo/ConfigService.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfig.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloRunningParamsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullRunningParamsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractMetricsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloExceptionCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloNamespaceCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloRunningParamsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloThreadPoolCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultMetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/internals/DefaultMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/CounterModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/GaugeModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEvent.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEventPusher.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMessageProducerManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MonitorMessageProducer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/JMXUtil.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/MeterType.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/spring/boot/ApolloApplicationContextInitializer.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (8 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ExceptionUtil.java (1 hunks)
apollo-client/src/main/resources/META-INF/additional-spring-configuration-metadata.json (1 hunks)
apollo-client/src/main/resources/META-INF/services/com.ctrip.framework.apollo.tracer.spi.MessageProducerManager (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractApolloMetricsCollectorTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloMetricsExporterTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java (1 hunks)

Files not processed due to max files limit (9)

apollo-core/src/main/java/com/ctrip/framework/apollo/core/ApolloClientSystemConsts.java
apollo-core/src/main/java/com/ctrip/framework/apollo/core/ConfigConsts.java
apollo-core/src/main/java/com/ctrip/framework/apollo/tracer/internals/DefaultMessageProducerManager.java
apollo-core/src/main/java/com/ctrip/framework/apollo/tracer/internals/cat/CatTransaction.java
apollo-core/src/main/java/com/ctrip/framework/apollo/tracer/spi/MessageProducer.java
apollo-plugin/apollo-plugin-client-prometheus/pom.xml
apollo-plugin/apollo-plugin-client-prometheus/src/main/java/com/ctrip/framework/apollo/plugin/prometheus/PrometheusMetricExporter.java
apollo-plugin/apollo-plugin-client-prometheus/src/main/resources/META-INF/services/com.ctrip.framework.apollo.monitor.internal.exporter.MetricsExporter
apollo-plugin/pom.xml

Files skipped from review due to trivial changes (6)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ExceptionUtil.java

Additional comments not posted (177)

apollo-client/src/main/resources/META-INF/services/com.ctrip.framework.apollo.tracer.spi.MessageProducerManager (1)

1-1: LGTM!

The service provider configuration looks correct.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/MeterType.java (2)

1-16: LGTM!

The license header follows the standard Apache License 2.0 format.

17-25: LGTM!

The enum definition is correct and follows best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporterFactory.java (2)

1-16: LGTM!

The license header follows the standard Apache License 2.0 format.

17-28: LGTM!

The interface definition is correct and follows best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (3)

1-16: Correct and compliant license header.

The license header is correctly included and compliant with the Apache License 2.0 requirements.

17-17: Package declaration is correct.

The package declaration is consistent with the project's structure.

24-29: Constants are well-defined.

The constants are well-defined and named appropriately for their intended use.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloExceptionMonitorApi.java (4)

1-16: Correct and compliant license header.

The license header is correctly included and compliant with the Apache License 2.0 requirements.

17-17: Package declaration is correct.

The package declaration is consistent with the project's structure.

19-21: Imports are appropriate.

The imports are appropriate for the functionality provided by this interface.

25-37: Interface and methods are well-defined.

The interface and its methods are well-defined and follow standard conventions for MXBeans. The method names are descriptive and appropriate for their intended use.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollectorManager.java (4)

1-16: Correct and compliant license header.

The license header is correctly included and compliant with the Apache License 2.0 requirements.

17-17: Package declaration is correct.

The package declaration is consistent with the project's structure.

19-21: Imports are appropriate.

The imports are appropriate for the functionality provided by this interface.

25-36: Interface and methods are well-defined.

The interface and its methods are well-defined and follow standard conventions. The method names are descriptive and appropriate for their intended use.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultMetricsCollectorManager.java (4)

1-17: LGTM!

The file header and package declaration are correct.

19-22: LGTM!

The imports are correct and necessary for the implementation.

23-28: LGTM!

The class declaration and fields are correct.

30-40: LGTM!

The methods are correct and follow best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMessageProducerManager.java (4)

1-17: LGTM!

The file header and package declaration are correct.

19-22: LGTM!

The imports are correct and necessary for the implementation.

23-28: LGTM!

The class declaration and fields are correct.

30-42: LGTM!

The methods are correct and follow best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollector.java (3)

1-17: LGTM!

The file header and package declaration are correct.

19-22: LGTM!

The imports are correct and necessary for the interface.

23-52: LGTM!

The interface declaration and methods are correct and follow best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloNamespaceMonitorApi.java (11)

28-28: LGTM!

The method getNamespaceReleaseKey is correctly defined.

30-30: LGTM!

The method getNamespaceUsageCount is correctly defined.

32-32: LGTM!

The method getNamespaceLatestUpdateTime is correctly defined.

34-34: LGTM!

The method getNamespaceFirstLoadSpend is correctly defined.

36-36: LGTM!

The method getNamespace404 is correctly defined.

38-38: LGTM!

The method getNamespaceTimeout is correctly defined.

40-40: LGTM!

The method getNamespaceItemName is correctly defined.

42-42: LGTM!

The method getAllNamespaceReleaseKey is correctly defined.

44-44: LGTM!

The method getAllNamespaceUsageCount is correctly defined.

46-46: LGTM!

The method getAllNamespacesLatestUpdateTime is correctly defined.

48-52: LGTM!

The methods getAllUsedNamespaceName, getAllNamespaceFirstLoadSpend, and getAllNamespaceItemName are correctly defined.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEventPusher.java (2)

29-31: LGTM!

The static initialization block is correctly defined.

33-42: LGTM!

The method push is correctly defined.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloRunningParamsMonitorApi.java (1)

27-69: LGTM!

The methods in ApolloRunningParamsMonitorApi are correctly defined.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporter.java (1)

1-16: LGTM!

The class-level comments and annotations are clear and follow the standard licensing format.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/JMXUtil.java (1)

1-16: LGTM!

The class-level comments and annotations are clear and follow the standard licensing format.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/CounterModel.java (1)

1-16: LGTM!

The class-level comments and annotations are clear and follow the standard licensing format.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java (2)

46-51: LGTM!

The test method correctly verifies that getMetricsReporter returns null when no supported reporter is available.

53-59: LGTM!

The test method correctly verifies that getMetricsReporter returns null when the form is null.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractMetricsCollector.java (6)

43-46: LGTM!

The constructor correctly initializes the name and tags for the metrics collector.

49-51: LGTM!

The name method correctly returns the name of the metrics collector.

54-56: LGTM!

The isSupport method correctly checks if the collector supports the given metrics event based on its tag.

59-62: LGTM!

The collect method correctly collects the given metrics event and sets the isUpdated flag to true.

65-67: LGTM!

The isSamplesUpdated method correctly returns the value of the isUpdated flag and resets it to false.

70-74: LGTM!

The export method correctly exports the collected metrics samples.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2)

19-19: Good practice: Use of a constant instead of a hardcoded string.

The use of APOLLO_CONFIG_EXCEPTION constant improves maintainability and reduces the risk of typos.

46-46: Improved maintainability: Use of constant in Tracer.logEvent.

Replacing the hardcoded string with APOLLO_CONFIG_EXCEPTION enhances code clarity and consistency.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloThreadPoolMonitorApi.java (1)

1-89: New interface for thread pool monitoring looks good.

The ApolloThreadPoolMonitorApi interface provides comprehensive methods for monitoring thread pool metrics, enhancing observability.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractApolloMetricsCollectorTest.java (1)

1-90: New test class for metrics collector looks good.

The AbstractApolloMetricsCollectorTest class is well-structured and covers essential functionalities of the AbstractMetricsCollector class using JUnit and Mockito.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/GaugeModel.java (6)
33-38: Constructor initializes GaugeModel with provided parameters.

Ensure that the parameters are correctly passed and initialized.

40-42: Builder pattern implementation for GaugeModel.

The builder pattern is correctly implemented.

44-50: Getter and setter methods for value and apply.

The methods are correctly implemented.

60-61: Method getApplyValue returns the applied value.

The method is correctly implemented.

64-96: Nested GaugeBuilder class for building GaugeModel instances.

The builder class is correctly implemented.

24-24: Class GaugeModel extends MetricsModel.

Ensure that MetricsModel provides necessary functionality and is correctly extended.

Verification successful

Class GaugeModel extends MetricsModel.

The MetricsModel class provides the necessary functionality for the GaugeModel class, including protected instance variables and methods for managing metrics.

MetricsModel has protected instance variables: tags, name, and type.

MetricsModel includes getName and setName methods.
Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify the definition and implementation of `MetricsModel`.

# Test: Search for the `MetricsModel` class definition. Expect: Correct class definition and implementation.
rg --type java -A 10 $'class MetricsModel'
Length of output: 1350
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullRunningParamsMonitorApi.java (22)

23-25: Method getStartupParams returns an empty string.

The method is correctly implemented.

28-30: Method getConfigServiceUrl returns an empty string.

The method is correctly implemented.

33-35: Method getAccessKeySecret returns an empty string.

The method is correctly implemented.

38-40: Method getAutoUpdateInjectedSpringProperties returns null.

The method is correctly implemented.

43-45: Method getBootstrapEnabled returns null.

The method is correctly implemented.

48-50: Method getBootstrapNamespaces returns an empty string.

The method is correctly implemented.

53-55: Method getBootstrapEagerLoadEnabled returns null.

The method is correctly implemented.

58-60: Method getOverrideSystemProperties returns null.

The method is correctly implemented.

63-65: Method getCacheDir returns an empty string.

The method is correctly implemented.

68-70: Method getCluster returns an empty string.

The method is correctly implemented.

73-75: Method getConfigService returns an empty string.

The method is correctly implemented.

78-80: Method getClientMonitorEnabled returns null.

The method is correctly implemented.

83-85: Method getClientMonitorJmxEnabled returns null.

The method is correctly implemented.

88-90: Method getClientMonitorExternalForm returns an empty string.

The method is correctly implemented.

93-95: Method getClientMonitorExternalExportPeriod returns zero.

The method is correctly implemented.

98-100: Method getMeta returns an empty string.

The method is correctly implemented.

103-105: Method getMetaLatestFreshTime returns an empty string.

The method is correctly implemented.

108-110: Method getPropertyNamesCacheEnable returns null.

The method is correctly implemented.

113-115: Method getPropertyOrderEnable returns null.

The method is correctly implemented.

118-120: Method getVersion returns an empty string.

The method is correctly implemented.

123-125: Method getEnv returns an empty string.

The method is correctly implemented.

128-130: Method getAppId returns an empty string.

The method is correctly implemented.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (8)
39-42: Method getThreadPoolMonitorApi returns the thread pool monitor API.

The method is correctly implemented.

44-47: Method getExceptionMonitorApi returns the exception monitor API.

The method is correctly implemented.

49-52: Method getNamespaceMonitorApi returns the namespace monitor API.

The method is correctly implemented.

54-57: Method getRunningParamsMonitorApi returns the running params monitor API.

The method is correctly implemented.

59-65: Method getDataWithCurrentMonitoringSystemFormat returns the monitoring system data.

The method is correctly implemented.

67-77: Method init initializes the monitoring APIs and metrics exporter.

The method is correctly implemented.

33-37: Instance variables for monitoring APIs and metrics exporter.

Ensure that the default implementations (NullThreadPoolMonitorApi, NullExceptionMonitorApi, NullNamespaceMonitorApi, and NullRunningParamsMonitorApi) are correctly implemented and provide necessary functionality.

Verification successful

Default implementations of monitoring APIs are correctly implemented.

The NullThreadPoolMonitorApi, NullExceptionMonitorApi, NullNamespaceMonitorApi, and NullRunningParamsMonitorApi classes are correctly defined and provide the expected default functionality.

NullThreadPoolMonitorApi returns 0 for thread pool metrics.

NullExceptionMonitorApi returns 0 and an empty list for exception metrics.

NullNamespaceMonitorApi returns empty strings and 0 for namespace metrics.

NullRunningParamsMonitorApi returns empty strings for running parameters.
Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify the definition and implementation of default monitoring APIs.

# Test: Search for the `NullThreadPoolMonitorApi` class definition. Expect: Correct class definition and implementation.
rg --type java -A 10 $'class NullThreadPoolMonitorApi'

# Test: Search for the `NullExceptionMonitorApi` class definition. Expect: Correct class definition and implementation.
rg --type java -A 10 $'class NullExceptionMonitorApi'

# Test: Search for the `NullNamespaceMonitorApi` class definition. Expect: Correct class definition and implementation.
rg --type java -A 10 $'class NullNamespaceMonitorApi'

# Test: Search for the `NullRunningParamsMonitorApi` class definition. Expect: Correct class definition and implementation.
rg --type java -A 10 $'class NullRunningParamsMonitorApi'
Length of output: 5724
31-31: Class DefaultConfigMonitor implements ConfigMonitor.

Ensure that ConfigMonitor provides necessary functionality and is correctly implemented.

Verification successful

Class DefaultConfigMonitor correctly implements the ConfigMonitor interface.

The DefaultConfigMonitor class includes implementations for all the methods defined in the ConfigMonitor interface:

getThreadPoolMonitorApi

getExceptionMonitorApi

getNamespaceMonitorApi

getRunningParamsMonitorApi

getDataWithCurrentMonitoringSystemFormat

No issues were found with the implementation.
Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify the definition and implementation of `ConfigMonitor`.

# Test: Search for the `ConfigMonitor` interface definition. Expect: Correct interface definition and implementation.
rg --type java -A 10 $'interface ConfigMonitor'
Length of output: 1311

Script:
#!/bin/bash
# Description: Verify the implementation of `ConfigMonitor` methods in `DefaultConfigMonitor`.

# Test: Search for the implementation of interface methods in `DefaultConfigMonitor`.
rg --type java -A 10 'class DefaultConfigMonitor' | rg 'getThreadPoolMonitorApi|getExceptionMonitorApi|getNamespaceMonitorApi|getRunningParamsMonitorApi|getDataWithCurrentMonitoringSystemFormat'
Length of output: 358

Script:
#!/bin/bash
# Description: Verify the implementation of remaining `ConfigMonitor` methods in `DefaultConfigMonitor`.

# Test: Search for the implementation of the remaining interface methods in `DefaultConfigMonitor`.
rg --type java -A 10 'class DefaultConfigMonitor' | rg 'getExceptionMonitorApi|getNamespaceMonitorApi|getRunningParamsMonitorApi|getDataWithCurrentMonitoringSystemFormat'
Length of output: 172

Script:
#!/bin/bash
# Description: Verify the implementation of remaining `ConfigMonitor` methods in `DefaultConfigMonitor`.

# Test: Search for the implementation of the remaining interface methods in `DefaultConfigMonitor.java`.
rg 'getExceptionMonitorApi|getNamespaceMonitorApi|getRunningParamsMonitorApi|getDataWithCurrentMonitoringSystemFormat' apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java
Length of output: 473
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloExceptionCollector.java (2)

47-49: Constructor Initialization Looks Good

The constructor correctly initializes the superclass with predefined constants.

51-54: Method getExceptionNum Looks Good

The method correctly returns the current value of exceptionNum.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (4)

45-47: Constructor Initialization Looks Good

The constructor correctly initializes the producers list.

50-53: Method logError(Throwable cause) Looks Good

The method correctly logs errors using each producer in the list.

55-58: Method logError(String message, Throwable cause) Looks Good

The method correctly logs errors with a message using each producer in the list.

60-63: Method logEvent(String type, String name) Looks Good

The method correctly logs events using each producer in the list.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (4)

19-20: New Import Statements Look Good

The new import statements for monitoring functionality are necessary and correctly added.

Also applies to: 26-27

38-41: Access Modifier Changes Look Good

The changes enhance the visibility of these variables, allowing subclasses to access them directly.

66-68: New Monitoring Functionality in getConfig Method Looks Good

The new functionality integrates monitoring capabilities into the configuration retrieval process, which is beneficial for tracking usage patterns.

74-75: Formatting Change in getConfigFile Method Looks Good

The formatting change improves readability without altering the logic.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/internals/DefaultMetricsExporterFactory.java (1)

41-43: LGTM! Constructor is correctly initializing the configuration utility.

The constructor initializes m_configUtil using ApolloInjector.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractMetricsExporter.java (4)

45-48: LGTM! Static initializer block is correctly setting up the scheduled executor service.

The static initializer block initializes m_executorService with a scheduled thread pool.

59-59: LGTM! Abstract method placeholder for subclass implementations.

The method is abstract and meant to be implemented by subclasses.

80-96: LGTM! Method handles different sample types appropriately.

The method registers different types of metrics samples.

98-106: LGTM! Method correctly handles null or empty tags.

The method extracts tags from a MetricsModel and returns them as a 2D array.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloMetricsExporterTest.java (4)

79-87: LGTM! Test method correctly verifies the initialization process.

The test method verifies the initialization of the metrics exporter.

88-92: LGTM! Test method correctly verifies the support check.

The test method verifies the isSupport method of the metrics exporter.

94-107: LGTM! Test method correctly verifies the metrics data update process.

The test method verifies the updateMetricsData method of the metrics exporter.

109-122: LGTM! Test method correctly verifies the tag extraction process.

The test method verifies the getTags method of the metrics exporter.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullThreadPoolMonitorApi.java (4)

1-16: File header and package declaration look good.

The file header contains the appropriate license information, and the package declaration is correct.

21-71: Correct implementation of ApolloThreadPoolMonitorApi methods for RemoteConfigRepository.

The methods correctly return default values as expected for a null implementation.

73-121: Correct implementation of ApolloThreadPoolMonitorApi methods for AbstractConfig.

The methods correctly return default values as expected for a null implementation.

123-171: Correct implementation of ApolloThreadPoolMonitorApi methods for AbstractConfigFile.

The methods correctly return default values as expected for a null implementation.

apollo-client/src/main/java/com/ctrip/framework/apollo/ConfigService.java (5)

23-24: New imports for ConfigMonitorInitializer and ConfigMonitor.

The new imports are necessary for the added functionality.

35-35: New volatile member variable m_configMonitor.

The new member variable is correctly declared as volatile for thread-safe access.

39-49: Thread-safe initialization of m_configMonitor in getMonitor method.

The method correctly implements double-checked locking for thread-safe initialization of m_configMonitor.

50-56: Initialization of ConfigMonitorInitializer in getManager method.

The ConfigMonitorInitializer.initialize() is correctly called after the m_configManager is instantiated.

98-100: New method getConfigMonitor for external access to ConfigMonitor.

The method correctly provides external access to the ConfigMonitor instance.

apollo-client/src/main/resources/META-INF/additional-spring-configuration-metadata.json (4)

66-72: New configuration entry apollo.client.monitor.enabled.

The entry is correctly defined with appropriate type, source, description, and default value.

73-79: New configuration entry apollo.client.monitor.jmx.enabled.

The entry is correctly defined with appropriate type, source, description, and default value.

80-86: New configuration entry apollo.client.monitor.external.type.

The entry is correctly defined with appropriate type, source, description, and default value.

87-94: New configuration entry apollo.client.monitor.external.export-period.

The entry is correctly defined with appropriate type, source, description, and default value.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (2)

20-25: Imports are necessary and relevant.

The new import statements for monitoring and metrics management classes are necessary and relevant to the changes made in the file.

115-117: Bindings are correctly configured.

The new bindings for ConfigMonitor, MetricsCollectorManager, and MetricsExporterFactory are correctly configured and follow best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MonitorMessageProducer.java (5)

52-58: Method correctly logs error with throwable.

The logError(Throwable cause) method correctly logs an error with the provided throwable.

60-65: Method correctly logs error with message and throwable.

The logError(String message, Throwable cause) method correctly logs an error with the provided message and throwable.

67-74: Method correctly logs events based on type and name.

The logEvent(String type, String name) method correctly logs events based on the provided type and name.

76-126: Method correctly handles tagged events.

The handleTaggedEvent(String type, String name) method correctly handles tagged events based on the provided type and name.

129-139: Method correctly handles client config events.

The handleClientConfigEvent(String type, String name) method correctly handles client config events based on the provided type and name.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (2)

49-49: Visibility change is appropriate for extensibility.

The visibility change of m_executorService from private to protected is appropriate and follows best practices for extensibility.

118-118: Modification improves readability and maintainability.

The modification to use a static import of APOLLO_CLIENT_CONFIGCHANGES in the Tracer.logEvent call improves code readability and maintainability.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (2)

61-63: LGTM!

The method correctly retrieves an instance of MetricsCollectorManager.

79-82: LGTM!

The method correctly retrieves an instance of MetricsExporterFactory and gets a MetricsExporter.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloRunningParamsCollector.java (5)

87-90: LGTM!

The method correctly returns the name of the collector.

109-112: LGTM!

The method correctly returns false.

114-116: LGTM! Consider adding a TODO comment if future implementation is planned.

The method is currently empty and does not perform any actions.

119-121: LGTM!

The method correctly retrieves a value from the map based on the key.

124-126: LGTM!

The method correctly retrieves the config service URL from the map.

apollo-client/src/main/java/com/ctrip/framework/apollo/spring/boot/ApolloApplicationContextInitializer.java (3)

96-100: LGTM!

The added constants align with the PR objectives to enhance observability.

139-139: LGTM!

The addition ensures that the APOLLO_BOOTSTRAP_NAMESPACES property is explicitly defined in the system environment.

205-212: LGTM!

The additions ensure that the APOLLO_BOOTSTRAP_EAGER_LOAD_ENABLED and APOLLO_BOOTSTRAP_ENABLED properties are explicitly defined in the system environment.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloThreadPoolCollector.java (5)

64-71: LGTM!

The method correctly exports thread pool metrics for each executor.

74-77: LGTM!

The method correctly indicates that samples are always updated.

103-153: LGTM!

The methods correctly return various metrics for the remoteConfigRepositoryExecutorService.

155-204: LGTM!

The methods correctly return various metrics for the abstractConfigExecutorService.

207-255: LGTM!

The methods correctly return various metrics for the abstractConfigFileExecutorService.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (1)

19-20: LGTM!

The change improves maintainability by reducing the risk of typos in the event name and centralizing the definition of the event identifier.

Also applies to: 241-241

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloNamespaceCollector.java (5)

72-81: LGTM!

The constructor correctly initializes the fields and calls the superclass constructor.

133-143: LGTM!

The method correctly updates counter samples.

145-158: LGTM!

The method correctly updates gauge samples.

161-244: LGTM!

The methods correctly return various metrics for namespaces.

246-294: LGTM!

The class correctly encapsulates metrics for a namespace.
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (3)
218-218: Improved error logging.

The use of Tracer.logEvent(APOLLO_CONFIG_EXCEPTION, ExceptionUtil.getDetailMessage(ex)); improves the consistency and clarity of error logging.

221-224: Enhanced monitoring for SocketTimeoutException.

The new block for handling SocketTimeoutException improves monitoring by logging a metrics event.

19-20: Ensure the imported constants are used correctly.

The new import statements for NAMESPACE and APOLLO_CONFIG_EXCEPTION should be verified to ensure they are used correctly within the class.

Verification successful

The imported constants are used correctly.

The constants NAMESPACE and APOLLO_CONFIG_EXCEPTION are utilized within the RemoteConfigLongPollService class, confirming their necessity and correct usage.

NAMESPACE is used in logging and monitoring activities.

APOLLO_CONFIG_EXCEPTION is used for tracing configuration exceptions.
Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify the usage of imported constants.

# Test: Search for usage of the imported constants. Expect: Only occurrences of the new constants.
rg --type java -A 5 $'NAMESPACE|APOLLO_CONFIG_EXCEPTION'
Length of output: 244113
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9)
87-87: Visibility change for m_executorService.

The visibility of m_executorService has been changed from private to protected, which allows subclasses to access it. Ensure that this change is necessary and does not introduce any security or encapsulation issues.

125-130: Enhanced monitoring for configuration loading.

The new timing mechanism and metrics event logging improve monitoring of the configuration loading process.

152-155: Enhanced logging for periodic refresh.

The use of Tracer.logEvent with constants improves the consistency and clarity of logging.

179-179: Enhanced logging for configuration events.

The use of Tracer.logEvent with constants improves the consistency and clarity of logging.

210-210: Improved logging for configuration metadata.

The use of Tracer.logEvent with constants improves the consistency and clarity of logging.

281-282: Enhanced monitoring for missing namespaces.

The new metrics event logging improves monitoring when a namespace is not found.

284-284: Improved error logging.

The use of Tracer.logEvent(APOLLO_CONFIG_EXCEPTION, ExceptionUtil.getDetailMessage(statusCodeException)); improves the consistency and clarity of error logging.

291-291: Improved error logging.

The use of Tracer.logEvent(APOLLO_CONFIG_EXCEPTION, ExceptionUtil.getDetailMessage(ex)); improves the consistency and clarity of error logging.

19-26: Ensure the imported constants are used correctly.

The new import statements for various monitoring and logging constants should be verified to ensure they are used correctly within the class.

Verification successful

The imported constants are used correctly.

The new import statements for various monitoring and logging constants are indeed utilized within the class and other parts of the codebase.

NAMESPACE and TIMESTAMP are used in RemoteConfigRepository.java and other files.

NAMESPACE_MONITOR is used in RemoteConfigRepository.java and other files.

APOLLO_CLIENT_CONFIGS, APOLLO_CLIENT_CONFIGMETA, APOLLO_CLIENT_VERSION, APOLLO_CONFIGSERVICE, and APOLLO_CONFIG_EXCEPTION are used in RemoteConfigRepository.java and other files.
Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify the usage of imported constants.

# Test: Search for usage of the imported constants. Expect: Only occurrences of the new constants.
rg --type java -A 5 $'NAMESPACE|TIMESTAMP|NAMESPACE_MONITOR|APOLLO_CLIENT_CONFIGS|APOLLO_CLIENT_CONFIGMETA|APOLLO_CLIENT_VERSION|APOLLO_CONFIGSERVICE|APOLLO_CONFIG_EXCEPTION'
Length of output: 258295
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (10)

41-41: Initialization moved to constructor.

The initialization of warnLogRateLimiter has been moved to the constructor, which is a good practice for ensuring that the rate limiter is properly configured during object creation.

76-79: New fields for monitoring.

The new fields for monitoring (isClientMonitorEnabled, isClientMonitorJmxEnabled, monitorExternalType, monitorExternalExportPeriod) enhance the monitoring capabilities of the class.

518-520: New method getMonitorExternalType.

The new method getMonitorExternalType provides access to the monitorExternalType field, enhancing the monitoring capabilities of the class.

539-541: New method getMonitorExternalExportPeriod.

The new method getMonitorExternalExportPeriod provides access to the monitorExternalExportPeriod field, enhancing the monitoring capabilities of the class.

553-555: New method isClientMonitorEnabled.

The new method isClientMonitorEnabled provides access to the isClientMonitorEnabled field, enhancing the monitoring capabilities of the class.

565-567: New method isClientMonitorJmxEnabled.

The new method isClientMonitorJmxEnabled provides access to the isClientMonitorJmxEnabled field, enhancing the monitoring capabilities of the class.

510-516: New method initMonitorExternalType.

The new method initMonitorExternalType initializes the monitorExternalType field, enhancing the monitoring capabilities of the class.

522-537: New method initMonitorExternalCollectPeriod.

The new method initMonitorExternalCollectPeriod initializes the monitorExternalExportPeriod field, enhancing the monitoring capabilities of the class.

544-551: New method initClientMonitorEnabled.

The new method initClientMonitorEnabled initializes the isClientMonitorEnabled field, enhancing the monitoring capabilities of the class.

557-564: New method initClientMonitorJmxEnabled.

The new method initClientMonitorJmxEnabled initializes the isClientMonitorJmxEnabled field, enhancing the monitoring capabilities of the class.
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfig.java (1)
56-56: Changing access modifier to protected increases visibility.

Changing m_executorService from private to protected allows subclasses to access it directly. Ensure this change is necessary and consider the potential risks of exposing this variable to subclasses.

Verify that all subclasses handle m_executorService appropriately and do not introduce any concurrency issues.

Verification successful

Changing access modifier to protected increases visibility.

Changing m_executorService from private to protected allows subclasses to access it directly. Based on the search results, the current usages of m_executorService appear to be handled properly without introducing concurrency issues. Ensure that any subclasses handle m_executorService appropriately to avoid potential concurrency issues.

Files to review:

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfig.java

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractMetricsExporter.java

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloMetricsExporterTest.java
Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify usage of `m_executorService` in subclasses.

# Test: Search for the usage of `m_executorService` in subclasses. Expect: Proper handling without concurrency issues.
rg --type java --pattern 'm_executorService' -A 5
Length of output: 461

Script:
#!/bin/bash
# Description: Verify usage of `m_executorService` in subclasses.

# Test: Search for the usage of `m_executorService` in subclasses. Expect: Proper handling without concurrency issues.
rg 'm_executorService' --type java -A 5
Length of output: 16045

...ient/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporter.java

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/JMXUtil.java

...trip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/JMXUtil.java

...ip/framework/apollo/monitor/internal/collector/internal/DefaultApolloNamespaceCollector.java

.../main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractMetricsExporter.java

...ip/framework/apollo/monitor/internal/collector/internal/DefaultApolloNamespaceCollector.java

.../main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractMetricsExporter.java

Anilople · 2024-08-03T03:00:10Z

Congratulation to submit the pr,
that will be a great start.

Anilople · 2024-08-03T03:01:05Z

A check failed, need to fix it

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java

...o-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloExceptionMonitorApi.java

...o-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloNamespaceMonitorApi.java

...ient/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloRunningParamsMonitorApi.java

...-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloThreadPoolMonitorApi.java

...o-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java

...ip/framework/apollo/monitor/internal/collector/internal/DefaultApolloExceptionCollector.java

...c/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java

...src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MonitorMessageProducer.java

coderabbitai

Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 1ba4e6f and bd7fe56.

Files selected for processing (57)

apollo-client/src/main/java/com/ctrip/framework/apollo/ConfigService.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfig.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloRunningParamsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullRunningParamsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractMetricsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloExceptionCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloNamespaceCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloRunningParamsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloThreadPoolCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultMetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/internals/DefaultMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/CounterModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/GaugeModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEvent.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEventPusher.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMessageProducerManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MonitorMessageProducer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/JMXUtil.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/MeterType.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/spring/boot/ApolloApplicationContextInitializer.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (8 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ExceptionUtil.java (1 hunks)
apollo-client/src/main/resources/META-INF/additional-spring-configuration-metadata.json (1 hunks)
apollo-client/src/main/resources/META-INF/services/com.ctrip.framework.apollo.tracer.spi.MessageProducerManager (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractApolloMetricsCollectorTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloMetricsExporterTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java (1 hunks)
apollo-core/src/main/java/com/ctrip/framework/apollo/core/ApolloClientSystemConsts.java (1 hunks)
apollo-core/src/main/java/com/ctrip/framework/apollo/core/ConfigConsts.java (1 hunks)

Files not processed due to max files limit (7)

apollo-core/src/main/java/com/ctrip/framework/apollo/tracer/internals/DefaultMessageProducerManager.java
apollo-core/src/main/java/com/ctrip/framework/apollo/tracer/internals/cat/CatTransaction.java
apollo-core/src/main/java/com/ctrip/framework/apollo/tracer/spi/MessageProducer.java
apollo-plugin/apollo-plugin-client-prometheus/pom.xml
apollo-plugin/apollo-plugin-client-prometheus/src/main/java/com/ctrip/framework/apollo/plugin/prometheus/PrometheusMetricExporter.java
apollo-plugin/apollo-plugin-client-prometheus/src/main/resources/META-INF/services/com.ctrip.framework.apollo.monitor.internal.exporter.MetricsExporter
apollo-plugin/pom.xml

Files skipped from review due to trivial changes (13)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullRunningParamsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollectorManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/GaugeModel.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEvent.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsModel.java
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ExceptionUtil.java

Files skipped from review as they are similar to previous changes (42)

apollo-client/src/main/java/com/ctrip/framework/apollo/ConfigService.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloRunningParamsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractMetricsCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/MetricsCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloExceptionCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloNamespaceCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloRunningParamsCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultApolloThreadPoolCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/internal/DefaultMetricsCollectorManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractMetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/MetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/internals/DefaultMetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/CounterModel.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEventPusher.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMessageProducerManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MonitorMessageProducer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/JMXUtil.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/util/MeterType.java
apollo-client/src/main/java/com/ctrip/framework/apollo/spring/boot/ApolloApplicationContextInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java
apollo-client/src/main/resources/META-INF/additional-spring-configuration-metadata.json
apollo-client/src/main/resources/META-INF/services/com.ctrip.framework.apollo.tracer.spi.MessageProducerManager
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/collector/AbstractApolloMetricsCollectorTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloMetricsExporterTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java

Additional comments not posted (5)

apollo-core/src/main/java/com/ctrip/framework/apollo/core/ConfigConsts.java (1)

27-27: LGTM!

The addition of the constant APOLLO_AUTO_UPDATE_INJECTED_SPRING_PROPERTIES is consistent with the existing naming conventions and enhances the configuration capabilities.

apollo-core/src/main/java/com/ctrip/framework/apollo/core/ApolloClientSystemConsts.java (4)

168-168: LGTM!

The addition of the constant APOLLO_CLIENT_MONITOR_ENABLED is consistent with the existing naming conventions and enhances the monitoring capabilities.

173-173: LGTM!

The addition of the constant APOLLO_CLIENT_MONITOR_JMX_ENABLED is consistent with the existing naming conventions and enhances the monitoring capabilities.

178-178: LGTM!

The addition of the constant APOLLO_CLIENT_MONITOR_EXTERNAL_TYPE is consistent with the existing naming conventions and enhances the monitoring capabilities.

183-183: LGTM!

The addition of the constant APOLLO_CLIENT_MONITOR_EXTERNAL_EXPORT_PERIOD is consistent with the existing naming conventions and enhances the monitoring capabilities.

coderabbitai

Actionable comments posted: 12

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between bd7fe56 and 7460679.

Files selected for processing (32)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java (1 hunks)

Files skipped from review due to trivial changes (7)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java

Files skipped from review as they are similar to previous changes (14)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java

Additional comments not posted (77)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java (2)

33-36: LGTM!

The getCollectors method is correctly implemented.

38-40: LGTM!

The setCollectors method is correctly implemented.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java (1)

27-70: LGTM!

The methods in the ApolloClientBootstrapArgsMonitorApi interface are correctly defined.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1)

30-57: LGTM!

The methods in the ApolloClientNamespaceMonitorApi interface are correctly defined.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java (30)

28-29: LGTM!

The method signature is correct and adheres to best practices.

30-31: LGTM!

The method signature is correct and adheres to best practices.

32-33: LGTM!

The method signature is correct and adheres to best practices.

34-35: LGTM!

The method signature is correct and adheres to best practices.

36-37: LGTM!

The method signature is correct and adheres to best practices.

38-39: LGTM!

The method signature is correct and adheres to best practices.

40-41: LGTM!

The method signature is correct and adheres to best practices.

42-43: LGTM!

The method signature is correct and adheres to best practices.

44-45: LGTM!

The method signature is correct and adheres to best practices.

46-47: LGTM!

The method signature is correct and adheres to best practices.

48-49: LGTM!

The method signature is correct and adheres to best practices.

50-51: LGTM!

The method signature is correct and adheres to best practices.

52-53: LGTM!

The method signature is correct and adheres to best practices.

54-55: LGTM!

The method signature is correct and adheres to best practices.

56-57: LGTM!

The method signature is correct and adheres to best practices.

58-59: LGTM!

The method signature is correct and adheres to best practices.

60-61: LGTM!

The method signature is correct and adheres to best practices.

62-63: LGTM!

The method signature is correct and adheres to best practices.

64-65: LGTM!

The method signature is correct and adheres to best practices.

66-67: LGTM!

The method signature is correct and adheres to best practices.

68-69: LGTM!

The method signature is correct and adheres to best practices.

70-71: LGTM!

The method signature is correct and adheres to best practices.

72-73: LGTM!

The method signature is correct and adheres to best practices.

74-75: LGTM!

The method signature is correct and adheres to best practices.

76-77: LGTM!

The method signature is correct and adheres to best practices.

78-79: LGTM!

The method signature is correct and adheres to best practices.

80-81: LGTM!

The method signature is correct and adheres to best practices.

82-83: LGTM!

The method signature is correct and adheres to best practices.

84-85: LGTM!

The method signature is correct and adheres to best practices.

86-87: LGTM!

The method signature is correct and adheres to best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java (2)

88-90: LGTM!

The method is straightforward and correct.

110-112: LGTM!

The method is straightforward and correct.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java (7)

50-58: Constructor looks good.

The constructor correctly initializes the thread pool executor services and calls the superclass constructor with specific metrics.

60-63: Confirm the intentional no-op behavior.

The collect0 method is overridden to do nothing and return immediately. Ensure this behavior is intentional and documented.

66-73: Method looks good.

The export0 method correctly exports thread pool metrics for all three executor services.

76-79: Confirm the always-updated behavior.

The isSamplesUpdated method returns true, indicating that samples are always updated. Ensure this behavior is intentional and documented.

83-103: Method looks good.

The exportThreadPoolMetrics method correctly exports metrics for a given thread pool executor and name, and handles the gauge samples appropriately.

106-155: Methods look good.

The methods correctly return various metrics for the remoteConfigRepositoryExecutorService.

158-257: Methods look good.

The methods correctly return various metrics for the abstractConfigExecutorService and abstractConfigFileExecutorService.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java (7)

72-80: Constructor looks good.

The constructor correctly initializes the configuration maps and calls the superclass constructor with specific metrics.

84-114: Method looks good.

The collect0 method correctly handles all event names and updates the corresponding namespace metrics.

117-131: Method looks good.

The export0 method correctly exports namespace metrics and updates the gauge samples.

133-143: Method looks good.

The updateCounterSample method correctly updates the counter sample for a given key and namespace.

146-158: Method looks good.

The updateGaugeSample method correctly updates the gauge sample for a given key, namespace, and value, and applies the conversion function.

161-164: Method looks good.

The getNamespaceMetrics method correctly returns the namespace metrics map.

251-298: Inner class looks good.

The NamespaceMetrics inner class correctly provides methods to manage namespace metrics.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java (22)

23-26: Verify the intended behavior of returning an empty string.

The method getStartupParams returns an empty string. Ensure this is the intended default behavior.

28-31: Verify the intended behavior of returning an empty string.

The method getConfigServiceUrl returns an empty string. Ensure this is the intended default behavior.

33-36: Verify the intended behavior of returning an empty string.

The method getAccessKeySecret returns an empty string. Ensure this is the intended default behavior.

38-41: Verify the intended behavior of returning null.

The method getAutoUpdateInjectedSpringProperties returns null. Ensure this is the intended default behavior.

43-46: Verify the intended behavior of returning null.

The method getBootstrapEnabled returns null. Ensure this is the intended default behavior.

48-51: Verify the intended behavior of returning an empty string.

The method getBootstrapNamespaces returns an empty string. Ensure this is the intended default behavior.

53-56: Verify the intended behavior of returning null.

The method getBootstrapEagerLoadEnabled returns null. Ensure this is the intended default behavior.

58-61: Verify the intended behavior of returning null.

The method getOverrideSystemProperties returns null. Ensure this is the intended default behavior.

63-66: Verify the intended behavior of returning an empty string.

The method getCacheDir returns an empty string. Ensure this is the intended default behavior.

68-71: Verify the intended behavior of returning an empty string.

The method getCluster returns an empty string. Ensure this is the intended default behavior.

73-76: Verify the intended behavior of returning an empty string.

The method getConfigService returns an empty string. Ensure this is the intended default behavior.

78-81: Verify the intended behavior of returning null.

The method getClientMonitorEnabled returns null. Ensure this is the intended default behavior.

83-86: Verify the intended behavior of returning null.

The method getClientMonitorJmxEnabled returns null. Ensure this is the intended default behavior.

88-91: Verify the intended behavior of returning an empty string.

The method getClientMonitorExternalForm returns an empty string. Ensure this is the intended default behavior.

93-96: Verify the intended behavior of returning 0.

The method getClientMonitorExternalExportPeriod returns 0. Ensure this is the intended default behavior.

98-101: Verify the intended behavior of returning an empty string.

The method getApolloMeta returns an empty string. Ensure this is the intended default behavior.

103-106: Verify the intended behavior of returning an empty string.

The method getMetaLatestFreshTime returns an empty string. Ensure this is the intended default behavior.

108-111: Verify the intended behavior of returning null.

The method getPropertyNamesCacheEnable returns null. Ensure this is the intended default behavior.

113-116: Verify the intended behavior of returning null.

The method getPropertyOrderEnable returns null. Ensure this is the intended default behavior.

118-121: Verify the intended behavior of returning an empty string.

The method getVersion returns an empty string. Ensure this is the intended default behavior.

123-126: Verify the intended behavior of returning an empty string.

The method getEnv returns an empty string. Ensure this is the intended default behavior.

128-131: Verify the intended behavior of returning an empty string.

The method getAppId returns an empty string. Ensure this is the intended default behavior.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java (5)

47-49: Verify the usage of constants ERROR_METRICS.

The constructor initializes the class with constants ERROR_METRICS. Ensure these constants are correctly defined and used.

51-54: LGTM!

The method getExceptionNum is correctly implemented.

56-59: LGTM!

The method getExceptionList is correctly implemented.

61-70: Verify the exception handling logic.

The method collect0 collects exceptions from the event and updates the exception list and count. Ensure the logic correctly handles edge cases, such as null values and list overflow.

73-80: Verify the export logic.

The method export0 exports the exception count to

...m/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java

...com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java

...in/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java

...mework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java

coderabbitai

Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (1)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1)
19-23: Class-level Javadoc is clear but could be expanded.

The class-level Javadoc provides basic information, but it could be expanded to include more details about the purpose and usage of this class.
/**
 * Metrics constant.
 *
 * This class contains constants used for monitoring purposes within the Apollo client.
 *
 * @author Rawven
 */

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 7460679 and 0e0b154.

Files selected for processing (32)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java (1 hunks)

Files skipped from review due to trivial changes (9)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java

Files skipped from review as they are similar to previous changes (22)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java

Additional comments not posted (4)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (4)

1-16: Ensure the license header is up-to-date.

The license header appears to be correct, but verify that it is up-to-date and consistent with the project's licensing terms.

17-17: Package declaration looks good.

The package declaration is appropriate for the file's purpose.

24-24: Class declaration looks good.

The class declaration is appropriate.

26-39: Constant declarations are clear and follow naming conventions.

The constant declarations are clear and follow standard naming conventions. Ensure that these constants are used consistently throughout the codebase.

coderabbitai

Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (3)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1)
1-16: Ensure the copyright year is updated.

The copyright year should be updated to 2024.
- * Copyright 2022 Apollo Authors
+ * Copyright 2024 Apollo Authors
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java (1)
1-16: Ensure the copyright year is updated.

The copyright year should be updated to 2024.
- * Copyright 2022 Apollo Authors
+ * Copyright 2024 Apollo Authors
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxThreadPoolMonitor.java (1)
1-1: Add a license header.

The file is missing a license header. Ensure to add the appropriate license header at the top of the file.
+/*
+ * Copyright 2024 Apollo Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 0e0b154 and 923c54b.

Files selected for processing (36)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxBootstrapArgsMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxExceptionMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxNamespaceMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxThreadPoolMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java (1 hunks)

Files skipped from review due to trivial changes (5)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java

Files skipped from review as they are similar to previous changes (24)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java

Additional comments not posted (21)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxExceptionMonitor.java (3)

1-1: Correct package declaration.

The package declaration is appropriate for the file's location.

3-4: Imports are correct.

The imports are necessary and correctly used.

6-12: Interface and method definition are correct.

The interface is correctly annotated with @MXBean, and the method getExceptionDetails is properly defined to return a list of strings.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxNamespaceMonitor.java (3)

1-1: Correct package declaration.

The package declaration is appropriate for the file's location.

3-4: Imports are correct.

The imports are necessary and correctly used.

6-32: Interface and method definitions are correct.

The interface is correctly annotated with @MXBean, and the methods are properly defined to return appropriate types. The methods cover various namespace-related metrics, which aligns with the purpose of the interface.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxBootstrapArgsMonitor.java (3)

1-1: Correct package declaration.

The package declaration is appropriate for the file's location.

3-3: Imports are correct.

The imports are necessary and correctly used.

5-51: Interface and method definitions are correct.

The interface is correctly annotated with @MXBean, and the methods are properly defined to return appropriate types. The methods cover various bootstrap arguments, which aligns with the purpose of the interface.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1)

26-30: Interface definition looks good.

The interface ApolloClientNamespaceMonitorApi is well-defined and extends ApolloJmxNamespaceMonitor. The method getNamespaceMetrics is appropriately included.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java (1)

26-38: Class definition looks good.

The class NullClientExceptionMonitorApi is well-defined and provides default implementations for the methods getExceptionList and getExceptionDetails.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/jmx/ApolloJmxThreadPoolMonitor.java (1)

9-72: Interface definition looks good.

The interface ApolloJmxThreadPoolMonitor is well-defined and includes methods for monitoring various aspects of thread pools.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java (9)

39-39: LGTM!

The constant EXCEPTION_NUM is appropriately defined.

41-41: LGTM!

The constant MAX_EXCEPTIONS_SIZE is appropriately defined.

42-43: LGTM!

The exceptions queue is appropriately defined with a maximum size.

45-45: LGTM!

The exceptionNum counter is appropriately defined.

47-49: LGTM!

The constructor correctly initializes the parent class with ERROR_METRICS.

51-54: LGTM!

The method getExceptionList correctly returns a new list containing the exceptions.

56-65: LGTM!

The method collect0 correctly handles adding exceptions to the queue and updating the counter.

69-75: LGTM!

The method export0 correctly updates the counterSamples with the current exception count.

78-84: LGTM!

The method getExceptionDetails correctly returns a new list containing the exception messages.

coderabbitai

Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 923c54b and b8bdde0.

Files selected for processing (36)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxBootstrapArgsApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxExceptionApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxNamespaceApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxThreadPoolApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java (1 hunks)

Files skipped from review due to trivial changes (8)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java

Files skipped from review as they are similar to previous changes (24)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloMetricsExporterFactoryTest.java

Additional comments not posted (42)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxExceptionApi.java (4)

1-16: Ensure consistent documentation and licensing information.

The license header is correctly included, which is good practice for open-source projects.

17-17: Ensure proper package naming conventions.

The package name com.ctrip.framework.apollo.monitor.api.jmx is appropriate and follows standard naming conventions.

19-21: Ensure necessary imports are included.

The imports for List and MXBean are necessary and correctly included.

22-28: Interface and method definition look good.

The interface ApolloJmxExceptionApi and the method getExceptionDetails are correctly defined. Ensure that the implementation of this method handles exceptions properly.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxNamespaceApi.java (4)

1-16: Ensure consistent documentation and licensing information.

The license header is correctly included, which is good practice for open-source projects.

17-17: Ensure proper package naming conventions.

The package name com.ctrip.framework.apollo.monitor.api.jmx is appropriate and follows standard naming conventions.

19-21: Ensure necessary imports are included.

The imports for List and MXBean are necessary and correctly included.

22-48: Interface and method definitions look good.

The interface ApolloJmxNamespaceApi and the methods are correctly defined. Ensure that each method's implementation handles the respective operations efficiently and correctly.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxBootstrapArgsApi.java (4)

1-16: Ensure consistent documentation and licensing information.

The license header is correctly included, which is good practice for open-source projects.

17-17: Ensure proper package naming conventions.

The package name com.ctrip.framework.apollo.monitor.api.jmx is appropriate and follows standard naming conventions.

19-20: Ensure necessary imports are included.

The import for MXBean is necessary and correctly included.

21-67: Interface and method definitions look good.

The interface ApolloJmxBootstrapArgsApi and the methods are correctly defined. Ensure that each method's implementation handles the respective operations efficiently and correctly.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxThreadPoolApi.java (30)

28-28: LGTM!

The method getRemoteConfigRepositoryThreadPoolActiveCount is well-named and straightforward.

30-30: LGTM!

The method getRemoteConfigRepositoryThreadPoolQueueSize is well-named and straightforward.

32-32: LGTM!

The method getRemoteConfigRepositoryThreadPoolCorePoolSize is well-named and straightforward.

34-34: LGTM!

The method getRemoteConfigRepositoryThreadPoolMaximumPoolSize is well-named and straightforward.

36-36: LGTM!

The method getRemoteConfigRepositoryThreadPoolPoolSize is well-named and straightforward.

38-38: LGTM!

The method getRemoteConfigRepositoryThreadPoolTaskCount is well-named and straightforward.

40-40: LGTM!

The method getRemoteConfigRepositoryThreadPoolCompletedTaskCount is well-named and straightforward.

42-42: LGTM!

The method getRemoteConfigRepositoryThreadPoolLargestPoolSize is well-named and straightforward.

44-44: LGTM!

The method getRemoteConfigRepositoryThreadPoolRemainingCapacity is well-named and straightforward.

46-46: LGTM!

The method getRemoteConfigRepositoryThreadPoolCurrentLoad is well-named and straightforward.

48-48: LGTM!

The method getAbstractConfigThreadPoolActiveCount is well-named and straightforward.

50-50: LGTM!

The method getAbstractConfigThreadPoolQueueSize is well-named and straightforward.

52-52: LGTM!

The method getAbstractConfigThreadPoolCorePoolSize is well-named and straightforward.

54-54: LGTM!

The method getAbstractConfigThreadPoolMaximumPoolSize is well-named and straightforward.

56-56: LGTM!

The method getAbstractConfigThreadPoolPoolSize is well-named and straightforward.

58-58: LGTM!

The method getAbstractConfigThreadPoolTaskCount is well-named and straightforward.

60-60: LGTM!

The method getAbstractConfigThreadPoolCompletedTaskCount is well-named and straightforward.

62-62: LGTM!

The method getAbstractConfigThreadPoolLargestPoolSize is well-named and straightforward.

64-64: LGTM!

The method getAbstractConfigThreadPoolRemainingCapacity is well-named and straightforward.

66-66: LGTM!

The method getAbstractConfigThreadPoolCurrentLoad is well-named and straightforward.

69-69: LGTM!

The method getAbstractConfigFileThreadPoolActiveCount is well-named and straightforward.

71-71: LGTM!

The method getAbstractConfigFileThreadPoolQueueSize is well-named and straightforward.

73-73: LGTM!

The method getAbstractConfigFileThreadPoolCorePoolSize is well-named and straightforward.

75-75: LGTM!

The method getAbstractConfigFileThreadPoolMaximumPoolSize is well-named and straightforward.

77-77: LGTM!

The method getAbstractConfigFileThreadPoolPoolSize is well-named and straightforward.

79-79: LGTM!

The method getAbstractConfigFileThreadPoolTaskCount is well-named and straightforward.

81-81: LGTM!

The method getAbstractConfigFileThreadPoolCompletedTaskCount is well-named and straightforward.

83-83: LGTM!

The method getAbstractConfigFileThreadPoolLargestPoolSize is well-named and straightforward.

85-85: LGTM!

The method getAbstractConfigFileThreadPoolRemainingCapacity is well-named and straightforward.

87-87: LGTM!

The method getAbstractConfigFileThreadPoolCurrentLoad is well-named and straightforward.

codecov · 2024-08-03T17:32:06Z

Codecov Report

Attention: Patch coverage is 64.12121% with 296 lines in your changes missing coverage. Please review.

Project coverage is 68.07%. Comparing base (1fc9d27) to head (60958c4).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...nal/tracer/ApolloClientMonitorMessageProducer.java	41.48%	52 Missing and 3 partials ⚠️
...listener/impl/DefaultApolloClientNamespaceApi.java	49.36%	38 Missing and 2 partials ⚠️
...ork/apollo/internals/ConfigMonitorInitializer.java	16.66%	31 Missing and 4 partials ⚠️
...o/monitor/internal/ApolloClientMonitorContext.java	27.27%	16 Missing ⚠️
...ener/AbstractApolloClientMonitorEventListener.java	65.90%	14 Missing and 1 partial ⚠️
...tor/internal/jmx/ApolloClientJmxMBeanRegister.java	44.00%	13 Missing and 1 partial ⚠️
...ernal/jmx/mbean/ApolloClientJmxNamespaceMBean.java	0.00%	14 Missing ⚠️
...va/com/ctrip/framework/apollo/util/ConfigUtil.java	77.58%	7 Missing and 6 partials ⚠️
.../exporter/AbstractApolloClientMetricsExporter.java	75.00%	8 Missing and 2 partials ⚠️
...o/monitor/api/ApolloClientNamespaceMonitorApi.java	40.00%	9 Missing ⚠️
... and 23 more

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #74      +/-   ##
============================================
- Coverage     69.06%   68.07%   -1.00%     
- Complexity     1228     1412     +184     
============================================
  Files           172      206      +34     
  Lines          5260     6051     +791     
  Branches        570      615      +45     
============================================
+ Hits           3633     4119     +486     
- Misses         1362     1630     +268     
- Partials        265      302      +37

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

coderabbitai

Actionable comments posted: 14

Outside diff range, codebase verification and nitpick comments (3)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1)
1-16: Ensure the copyright year is up-to-date.

The current year should be used in the copyright notice.
- * Copyright 2022 Apollo Authors
+ * Copyright 2024 Apollo Authors
apollo-plugin/apollo-plugin-client-prometheus/src/main/java/com/ctrip/framework/apollo/plugin/prometheus/PrometheusMetricExporter.java (1)
1-16: Ensure the copyright year is up-to-date.

The current year should be used in the copyright notice.
- * Copyright 2022 Apollo Authors
+ * Copyright 2024 Apollo Authors
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1)
1-16: Ensure the copyright year is up-to-date.

The current year should be used in the copyright notice.
- * Copyright 2022 Apollo Authors
+ * Copyright 2024 Apollo Authors

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between b8bdde0 and 8bc83f1.

Files selected for processing (40)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (9 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxBootstrapArgsApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxExceptionApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxNamespaceApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxThreadPoolApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/CounterModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/GaugeModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEvent.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsModel.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java (1 hunks)
apollo-plugin/apollo-plugin-client-prometheus/src/main/java/com/ctrip/framework/apollo/plugin/prometheus/PrometheusMetricExporter.java (1 hunks)

Files skipped from review due to trivial changes (8)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxExceptionApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultMetricsCollectorManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsModel.java

Files skipped from review as they are similar to previous changes (25)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/LocalFileConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/SimpleConfig.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/YamlConfigFile.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientThreadPoolMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxBootstrapArgsApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxNamespaceApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/jmx/ApolloJmxThreadPoolApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientBootstrapArgsMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/NullClientExceptionMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientBootstrapArgsCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientExceptionCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientNamespaceCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/collector/impl/DefaultApolloClientThreadPoolCollector.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultMetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/MetricsEvent.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/ClientMonitorMessageProducer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/tracer/MessageProducerComposite.java

Additional context used

GitHub Check: codecov/patch

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java

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apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java

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apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java

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Additional comments not posted (4)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/MonitorConstant.java (1)

1-38: LGTM! The constants are well-defined and follow best practices.

The file is well-structured and the constants are clearly named.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/GaugeModel.java (1)

1-72: LGTM! The class is well-defined and follows best practices.

The file is well-structured and the methods are clearly defined.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/CounterModel.java (1)

1-73: LGTM! The class is well-defined and follows best practices.

The file is well-structured and the methods are clearly defined.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (1)

19-20: LGTM!

The new import statements for constants and utility classes are appropriate and necessary for the enhanced monitoring and exception handling functionalities.

...o-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/model/GaugeModel.java

...o-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java

coderabbitai

Actionable comments posted: 33

🧹 Outside diff range and nitpick comments (34)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (2)
22-28: Consider adding documentation for the interface and method.

The interface and method declaration look good, but adding Javadoc comments would improve the code's documentation and make it easier for other developers to understand and use this interface.

Here's a suggested improvement:
 /**
  * @author Rawven
+ * Factory interface for creating ApolloClientMetricsExporter instances.
  */
 public interface ApolloClientMetricsExporterFactory {
 
+  /**
+   * Creates and returns an ApolloClientMetricsExporter instance.
+   *
+   * @param listeners A list of ApolloClientMonitorEventListener to be used by the exporter.
+   * @return An instance of ApolloClientMetricsExporter.
+   */
   ApolloClientMetricsExporter getMetricsReporter(List<ApolloClientMonitorEventListener> listeners);
 }
17-28: Good use of factory pattern and internal package.

The design of this interface is well thought out:

Using the factory pattern allows for flexible creation of ApolloClientMetricsExporter instances.

Placing this in an internal package correctly encapsulates it from direct client use.

The interface is concise and focused, adhering to the Single Responsibility Principle.

For future enhancements, consider:

Adding a method to allow runtime registration of additional listeners.

Providing a way to configure or customize the exporter (e.g., through a builder pattern or configuration object).
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (2)
21-27: LGTM: Class declaration and instance variable are well-defined.

The class declaration and instance variable are correctly implemented for a singleton pattern. The use of the volatile keyword on the INSTANCE variable is appropriate for the double-checked locking mechanism.

Consider enhancing the class-level documentation to include a brief description of the class's purpose and its role in the Apollo client monitoring system.

43-45: LGTM with suggestions: createEvent method implementation.

The createEvent method correctly creates and returns a new ApolloClientMonitorEvent. However, consider the following suggestions for improvement:

Add parameter validation for the name argument to ensure it's not null or empty.

The purpose of the null second parameter in the ApolloClientMonitorEvent constructor is unclear. Consider adding a comment explaining its significance or using a named constant if it represents a specific state.

If possible, document the expected key-value pairs for the HashMap to clarify its usage.

Here's a suggested improvement:
public ApolloClientMonitorEvent createEvent(String name) {
    if (name == null || name.isEmpty()) {
        throw new IllegalArgumentException("Event name cannot be null or empty");
    }
    // The second parameter is null because [explain reason here]
    return new ApolloClientMonitorEvent(name, null, new HashMap<>(2));
}
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java (2)
24-27: Enhance the interface Javadoc.

While the @author tag is present, it would be beneficial to add a description of the interface's purpose and its role in the Apollo client monitoring system. This will help developers understand the interface's functionality at a glance.

Consider adding a description like this:
/**
 * Defines the contract for exporting Apollo client metrics to various monitoring systems.
 * Implementations of this interface handle the collection, registration, and reporting of metrics.
 *
 * @author Rawven
 */
public interface ApolloClientMetricsExporter extends Ordered {
55-58: Add Javadoc to the getOrder method.

The getOrder method provides a default implementation, which is good. However, it lacks documentation explaining its purpose and the significance of the return value.

Consider adding a Javadoc comment like this:
/**
 * Defines the default order for this exporter.
 * A lower value indicates higher priority.
 * Implementations can override this method to customize their order.
 *
 * @return The order value for this exporter, default is 0.
 */
@Override
default int getOrder() {
    return 0;
}
This addition will help developers understand the purpose of the method and how to use it effectively when implementing the interface.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (2)
25-29: LGTM: Class declaration is appropriate. Consider adding a class-level Javadoc.

The class name and interface implementations are correct. The author annotation is present, which is good for attribution.

Consider adding a class-level Javadoc comment to explain the purpose of this null implementation. For example:
/**
 * A null implementation of ApolloClientNamespaceMonitorApi and ApolloClientJmxNamespaceMBean.
 * This class provides no-op implementations for all methods, serving as a placeholder
 * or fallback when no actual monitoring data is available.
 */
47-55: LGTM: getNamespaceMetricsString() and getNamespacePropertySize() implementations are correct. Consider adding @OverRide annotations.

Both methods correctly return empty results, which is appropriate for a null implementation when no metrics or properties are available.

Consider adding @Override annotations to all interface method implementations for clarity and to leverage compiler checks. For example:
@Override
public Map<String, NamespaceMetricsString> getNamespaceMetricsString() {
    return Collections.emptyMap();
}

@Override
public Integer getNamespacePropertySize(String namespace) {
    return 0;
}
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java (1)
1-52: Consider refactoring to improve thread-safety and design.

While the ApolloClientMonitorEventPublisher class serves its purpose of publishing monitoring events, there are several areas where it could be improved:

Thread-safety: The current implementation with static fields and methods may lead to race conditions in a multi-threaded environment.

Testability: The static nature of the class makes it difficult to unit test and mock dependencies.

Flexibility: The current design doesn't allow for easy substitution of different implementations or configurations.

Consider refactoring the class to follow these principles:

Use dependency injection instead of static fields and methods.

Implement an interface to allow for different implementations and easier mocking in tests.

Use a thread-safe collection for storing listeners if multiple threads might access them concurrently.

Here's a high-level example of how you might refactor this:
public interface ApolloClientMonitorEventPublisher {
    void publish(ApolloClientMonitorEvent event);
}

public class DefaultApolloClientMonitorEventPublisher implements ApolloClientMonitorEventPublisher {
    private final ApolloClientMonitorContext monitorContext;
    private final ConfigUtil configUtil;

    @Inject
    public DefaultApolloClientMonitorEventPublisher(ApolloClientMonitorContext monitorContext, ConfigUtil configUtil) {
        this.monitorContext = monitorContext;
        this.configUtil = configUtil;
    }

    @Override
    public void publish(ApolloClientMonitorEvent event) {
        if (configUtil.isClientMonitorEnabled()) {
            for (ApolloClientMonitorEventListener listener : monitorContext.getApolloClientMonitorEventListeners()) {
                if (listener.isSupported(event)) {
                    listener.collect(event);
                }
            }
        }
    }
}
This design improves thread-safety, testability, and flexibility while maintaining the core functionality of the original class.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (3)
44-53: Consider adding debug logging to metric registration methods.

While the empty implementations are correct for a null object, adding debug logging could be beneficial for troubleshooting.

Consider adding debug logs to these methods:
   public void registerOrUpdateCounterSample(String name, Map<String, String> tag,
       double incrValue) {
+    log.debug("Attempted to register/update counter sample: name={}, tag={}, value={}", name, tag, incrValue);
   }

   @Override
   public void registerOrUpdateGaugeSample(String name, Map<String, String> tag, double value) {
+    log.debug("Attempted to register/update gauge sample: name={}, tag={}, value={}", name, tag, value);
   }
This will provide visibility into attempted metric registrations when debugging is enabled.

55-59: Improve log message specificity in response method.

While the current implementation is correct, the log message could be more specific to this null object implementation.

Consider updating the log message to be more specific:
-    log.warn("No metrics exporter found, response empty string");
+    log.warn("NullApolloClientMetricsExporter: No metrics available, returning empty string");
This change makes it clearer that the message is coming from the null implementation of the metrics exporter.

27-30: Add class-level Javadoc to explain the purpose of this class.

While the implementation is correct, adding a brief class-level Javadoc would improve the code's documentation and explain the purpose of this null object implementation.

Consider adding a class-level Javadoc:
 /**
+ * A null object implementation of the ApolloClientMetricsExporter interface.
+ * This class provides no-op implementations for all methods, serving as a
+ * placeholder when no actual metrics exporting is required.
+ *
  * @author Rawven
  */
 public class NullApolloClientMetricsExporter implements ApolloClientMetricsExporter {
This addition will help other developers understand the purpose and behavior of this class at a glance.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (1)
46-51: Rename the test method for clarity.

The current method name testGetNamespaceItemNames doesn't accurately reflect what's being tested. The method is actually testing the getNamespacePropertySize() function, not retrieving item names.

Consider renaming the method to testGetNamespacePropertySize for better clarity:
- public void testGetNamespaceItemNames() {
+ public void testGetNamespacePropertySize() {
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1)
49-87: Consider making NamespaceMetrics a static inner class.

The NamespaceMetrics class doesn't depend on the outer interface, so it can be declared as static. This would improve encapsulation and allow the class to be used more efficiently.
-  class NamespaceMetrics {
+  static class NamespaceMetrics {
Additionally, the class structure and methods look good:

The fields cover important metrics for namespace monitoring.

The use of LocalDateTime for latestUpdateTime is appropriate.

The incrementUsageCount() method provides a controlled way to update the usage count.

Getter and setter methods are provided for all fields except usageCount, which has an incrementUsageCount() method instead.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java (1)
31-34: Improve comment for getNamespaceMetricsString()

The current comment lists the fields of NamespaceMetricsString but doesn't explain the method's purpose. Consider updating it to be more descriptive, like this:
/**
 * Retrieves metrics for all namespaces.
 * @return A map where the key is the namespace name and the value is a NamespaceMetricsString object
 *         containing: 1. usageCount 2. firstLoadSpend 3. latestUpdateTime 4. releaseKey
 */
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java (2)
34-49: LGTM: Well-structured test class setup.

The test class is properly structured with appropriate mocks and a setup method. The setUp method correctly initializes the mocks and prepares the factory instance for testing.

Consider adding a final modifier to the factory field for consistency with best practices in test classes:
-  private DefaultApolloClientMetricsExporterFactory factory;
+  private final DefaultApolloClientMetricsExporterFactory factory = new DefaultApolloClientMetricsExporterFactory();
Then, remove the initialization from the setUp method:
   public void setUp() {
     MockitoAnnotations.initMocks(this);
     MockInjector.setInstance(ConfigUtil.class, configUtil);
-    factory = new DefaultApolloClientMetricsExporterFactory();
   }
This change would make the field immutable and simplify the setup.

61-73: LGTM with suggestions: Test for valid exporter scenario.

This test case effectively verifies the behavior of getMetricsReporter when a valid external system type is specified. The use of Mockito for stubbing is appropriate.

Consider adding verifications to ensure that the mocked methods were called:
   assertTrue(result instanceof MockApolloClientMetricsExporter);
+  verify(configUtil).getMonitorExternalType();
+  verify(configUtil).isClientMonitorJmxEnabled();
+  verify(configUtil).getMonitorExternalExportPeriod();
+  verify(monitorEventListener).getName();
These additional verifications would ensure that all expected method calls are made during the test execution.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (5)

37-48: LGTM: setUp method is comprehensive and follows good practices.

The setup is well-structured, initializing all necessary mocks and using MockInjector for dependency injection. The reset of ApolloClientMonitorEventPublisher ensures proper test isolation.

Consider adding a comment explaining why the ApolloClientMonitorEventPublisher.reset() call is necessary for test isolation. This would improve code maintainability.

50-60: LGTM: Test case for enabled client monitor with supported event.

This test case effectively verifies the expected behavior when the client monitor is enabled and the event is supported. The mock setup and verification are correct.

Consider adding an additional assertion to verify that the event is not collected by any other listeners, ensuring that only the supported listener processes the event.

62-71: LGTM: Test case for enabled client monitor with unsupported event.

This test case correctly verifies that an unsupported event is not collected when the client monitor is enabled. The mock setup and verification are appropriate.

To enhance test coverage, consider adding a test case where multiple listeners are present, but only one supports the event. This would ensure correct behavior in a more complex scenario.

73-80: LGTM: Test case for disabled client monitor.

This test case effectively verifies that no event collection occurs when the client monitor is disabled. The mock setup and verification are correct.

To improve robustness, consider adding an assertion to verify that the publish method completes without throwing any exceptions when the client monitor is disabled. This would ensure graceful handling of the disabled state.

1-81: Overall, excellent test coverage with room for minor enhancements.

The ApolloClientMonitorEventPublisherTest class is well-structured and provides good coverage of the main scenarios for the ApolloClientMonitorEventPublisher. The use of mocking and verification is appropriate, and the test methods are clear and focused.

To further improve the test suite, consider adding the following:

A test case for handling null events or listeners.

A test for concurrent publishing of events to ensure thread safety.

A test case where an exception is thrown during event collection to verify error handling.

These additions would provide more comprehensive coverage and help ensure the robustness of the ApolloClientMonitorEventPublisher class.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (3)
46-55: LGTM: testInit method covers basic initialization.

The test verifies that the collectors are correctly set after initialization. However, consider adding an assertion to check if the collection period is set correctly as well.

You could add the following assertion:
assertEquals(collectPeriod, exporter.getCollectPeriod());
This assumes there's a getCollectPeriod method in the TestMetricsExporter class. If not, consider adding one for testing purposes.

57-74: LGTM with suggestions: testUpdateMetricsData covers main functionality.

The test verifies that the listener's export method is called and the gauge's value is retrieved. However, consider the following improvements:

Verify that the exported data is correctly processed by the exporter.

Test with multiple samples to ensure proper handling of various metric types.

Add assertions to check the state of the exporter after updating metrics data.

Here's an example of how you could enhance the test:
@Test
public void testUpdateMetricsData() {
    List<SampleModel> samples = new ArrayList<>();
    GaugeModel gauge = mock(GaugeModel.class);
    when(gauge.getType()).thenReturn(MetricTypeEnums.GAUGE);
    when(gauge.getName()).thenReturn("testGauge");
    when(gauge.getValue()).thenReturn(10.0);
    samples.add(gauge);

    CounterModel counter = mock(CounterModel.class);
    when(counter.getType()).thenReturn(MetricTypeEnums.COUNTER);
    when(counter.getName()).thenReturn("testCounter");
    when(counter.getValue()).thenReturn(5.0);
    samples.add(counter);

    when(mockListener.isMetricsSampleUpdated()).thenReturn(true);
    when(mockListener.export()).thenReturn(samples);

    exporter.init(Collections.singletonList(mockListener), 10L);
    exporter.updateMetricsData();

    verify(mockListener).export();
    verify(gauge).getValue();
    verify(counter).getValue();

    // Add assertions to verify the exporter's state
    assertEquals(2, exporter.getMetricsCount());
    assertTrue(exporter.hasMetric("testGauge"));
    assertTrue(exporter.hasMetric("testCounter"));
}
This enhanced version tests multiple metric types and adds assertions to verify the exporter's state after updating. You'll need to add appropriate methods to the TestMetricsExporter class to support these new assertions.

1-122: Overall, good test coverage with room for improvement.

The AbstractApolloClientMetricsExporterTest class provides a solid foundation for testing the AbstractApolloClientMetricsExporter. The tests cover key functionalities such as initialization, updating metrics data, and registering samples. However, there are several areas where the tests could be enhanced:

Increase assertion coverage in existing tests to verify more aspects of the exporter's behavior.

Add edge case tests, such as handling invalid inputs or exceptional conditions.

Enhance the TestMetricsExporter class to provide more realistic behavior for thorough testing.

Consider adding tests for concurrent operations if the exporter is intended to be thread-safe.

Add tests for any public methods of AbstractApolloClientMetricsExporter that are not currently covered.

To further improve the test suite, consider the following additions:

Test for thread safety:
@Test
public void testConcurrentMetricsUpdate() throws InterruptedException {
    // Implement a test that updates metrics from multiple threads
}
Test for error handling:
@Test(expected = IllegalArgumentException.class)
public void testRegisterInvalidSample() {
    exporter.registerSample(null);
}
Test for performance (if relevant):
@Test
public void testMetricsUpdatePerformance() {
    // Implement a test that measures the time taken to update a large number of metrics
}
These additions would provide a more comprehensive test suite, ensuring the robustness and reliability of the AbstractApolloClientMetricsExporter class.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (4)
40-59: LGTM: Class declaration and mock objects are well-defined.

The test class is correctly structured with appropriate mock objects for all necessary components.

Consider adding a brief class-level Javadoc comment to describe the purpose of this test class, which would improve documentation:
/**
 * Unit tests for {@link ApolloClientMonitorContext} to verify its initialization
 * and API management functionality.
 */
public class ApolloClientMonitorContextTest {
    // ... existing code ...
}
61-68: LGTM: Initial context state is correctly verified.

The testInitContext method effectively checks that all components of the ApolloClientMonitorContext are initialized with their respective null implementations.

To improve readability, consider using static imports for the assertion methods and grouping the assertions:
import static org.junit.Assert.assertTrue;

@Test
public void testInitContext() {
    assertTrue("Unexpected BootstrapArgsApi implementation",
            monitorContext.getBootstrapArgsApi() instanceof NullClientBootstrapArgsMonitorApi);
    assertTrue("Unexpected NamespaceApi implementation",
            monitorContext.getNamespaceApi() instanceof NullClientNamespaceMonitorApi);
    assertTrue("Unexpected ThreadPoolApi implementation",
            monitorContext.getThreadPoolApi() instanceof NullClientThreadPoolMonitorApi);
    assertTrue("Unexpected ExceptionApi implementation",
            monitorContext.getExceptionApi() instanceof NullClientExceptionMonitorApi);
    assertTrue("Unexpected MetricsExporter implementation",
            monitorContext.getMetricsExporter() instanceof NullApolloClientMetricsExporter);
}
This change adds descriptive messages to the assertions, making it easier to identify which check failed if an assertion error occurs.

70-83: LGTM: API setting and getting is correctly tested.

The testSettingAndGettingApis method effectively verifies that all APIs and the metrics exporter can be set and retrieved correctly.

To enhance the test's robustness, consider adding negative test cases:
@Test
public void testSettingAndGettingApis() {
    // Existing positive test cases...

    // Negative test cases
    monitorContext.setApolloClientExceptionMonitorApi(null);
    assertTrue("ExceptionApi should fall back to NullClientExceptionMonitorApi when set to null",
            monitorContext.getExceptionApi() instanceof NullClientExceptionMonitorApi);

    // Repeat for other APIs...
}
This addition ensures that the context behaves correctly when null values are set, falling back to the default null implementations.

85-95: LGTM: Event listener management is correctly tested.

The testGetCollectors method effectively verifies that multiple event listeners can be added to the context and retrieved correctly.

To make the test more comprehensive, consider adding the following checks:

Verify that the returned list is unmodifiable to ensure encapsulation.

Test the behavior when adding a null listener.

Test removing a listener if the API supports it.

Here's an example of how you might extend the test:
@Test
public void testGetCollectors() {
    ApolloClientMonitorEventListener listener = mock(ApolloClientMonitorEventListener.class);
    ApolloClientMonitorEventListener listener2 = mock(ApolloClientMonitorEventListener.class);
    
    monitorContext.addApolloClientMonitorEventListener(listener);
    monitorContext.addApolloClientMonitorEventListener(listener2);
    
    List<ApolloClientMonitorEventListener> listeners = monitorContext.getApolloClientMonitorEventListeners();
    assertEquals("Should have 2 listeners", 2, listeners.size());
    
    // Verify the list is unmodifiable
    assertThrows(UnsupportedOperationException.class, () -> listeners.add(mock(ApolloClientMonitorEventListener.class)));
    
    // Test adding a null listener (assuming it should be ignored)
    monitorContext.addApolloClientMonitorEventListener(null);
    assertEquals("Null listener should be ignored", 2, monitorContext.getApolloClientMonitorEventListeners().size());
    
    // Test removing a listener (if supported)
    // monitorContext.removeApolloClientMonitorEventListener(listener);
    // assertEquals("Should have 1 listener after removal", 1, monitorContext.getApolloClientMonitorEventListeners().size());
}
These additions would provide more thorough coverage of the event listener functionality.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (1)
36-101: Consider thread-safety and document class usage.

The ApolloClientMonitorContext class provides a well-structured centralized context for managing various monitoring APIs and listeners. The use of null object pattern for initial implementations is a good design choice, allowing for easy extension and preventing null pointer exceptions.

However, there are a few points to consider:

Thread-safety: The class is not thread-safe. If it's intended to be used in a multi-threaded environment, consider using thread-safe collections (e.g., CopyOnWriteArrayList for listeners) and adding synchronization to the methods.

Documentation: Consider adding Javadoc comments to the class and its methods, explaining their purpose and usage. This will help other developers understand how to use this class correctly.

Immutability: Consider making the class immutable after initialization, which could simplify its usage and make it inherently thread-safe.

Here's a suggestion for adding class-level Javadoc:
/**
 * ApolloClientMonitorContext provides a centralized context for managing various
 * monitoring APIs and listeners in the Apollo client framework. It uses null object
 * pattern for initial implementations, allowing for flexible configuration and extension.
 * 
 * Note: This class is not thread-safe. If used in a multi-threaded environment,
 * external synchronization may be required.
 */
public class ApolloClientMonitorContext {
    // ... existing code ...
}
Consider these suggestions to enhance the robustness and usability of the class.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (3)
27-35: Consider enhancing common constants section.

The common constants are well-defined, but consider the following suggestions:

Use a prefix for all constants to avoid potential naming conflicts, e.g., APOLLO_MBEAN_NAME.

Consider adding a constant for the default value of MBEAN_NAME if it's used frequently.

Add constants for any other commonly used monitoring attributes that might be missing.

Example:
public static final String APOLLO_MBEAN_NAME_PREFIX = "apollo.client.monitor:type=";
public static final String APOLLO_NAMESPACE = "namespace";
// ... other constants ...
40-52: Enhance consistency in tracer constants.

The tracer constants are comprehensive, but consider the following improvements:

Maintain consistent naming conventions. Some constants use dots (e.g., APOLLO_CLIENT_CONFIGCHANGES), while others use underscores (e.g., APOLLO_CONFIG_EXCEPTION). Stick to one convention, preferably underscores for better readability in Java.

Consider grouping related constants together, e.g., all client-related constants, all config-related constants, etc.

Add comments explaining the purpose of each constant or group of constants to improve maintainability.

Example:
// Client-related constants
public static final String APOLLO_CLIENT_CONFIG_CHANGES = "Apollo.Client.ConfigChanges";
public static final String APOLLO_CLIENT_VERSION = "Apollo.Client.Version";

// Config-related constants
public static final String APOLLO_CONFIG_EXCEPTION = "Apollo.Config.Exception";
public static final String APOLLO_CONFIG_SERVICES = "Apollo.Config.Services";
57-60: Enhance listener tag constants.

The listener tag constants are concise, but consider the following improvements:

Use a consistent prefix for all tag constants, e.g., TAG_ or MONITOR_TAG_.

Consider adding more specific tags if there are other types of monitors or listeners in the system.

Add a brief comment explaining the purpose of these tags and how they are used in the monitoring system.

Example:
/**
 * Tags used to categorize different types of monitors in the Apollo client.
 * These tags are used for filtering and grouping monitoring data.
 */
public static final String MONITOR_TAG_ERROR = "ErrorMonitor";
public static final String MONITOR_TAG_NAMESPACE = "NamespaceMonitor";
public static final String MONITOR_TAG_BOOTSTRAP = "BootstrapMonitor";
public static final String MONITOR_TAG_THREAD_POOL = "ThreadPoolMonitor";
// Add other monitor tags as needed
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1)
104-110: Handle potential null ApolloClientMetricsExporter

In the initializeMetricsExporter() method, consider logging or handling the scenario where metricsReporter is null to improve debugging and maintainability.

Optionally, add a log statement:
 if (metricsReporter != null) {
   monitorContext.setApolloClientMetricsExporter(metricsReporter);
+} else {
+  logger.warn("ApolloClientMetricsExporter is null. Metrics export will be disabled.");
 }

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 8a09ec8 and b04602f.

📒 Files selected for processing (22)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (4 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (1 hunks)

✅ Files skipped from review due to trivial changes (1)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java

🔇 Additional comments (47)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (3)

1-16: LGTM: Proper license header included.

The file includes the correct Apache License 2.0 header, which is essential for open-source projects. This ensures that the code is properly licensed and can be used according to the terms of the Apache License.

17-20: LGTM: Appropriate package and import statements.

The package declaration and import statement are correct and follow Java conventions. The use of the internal package suggests that this is meant for internal use within the Apollo client, which is a good practice for encapsulation.

1-28: New interface aligns well with PR objectives.

This new ApolloClientMetricsExporterFactory interface is consistent with the PR's goal of enhancing observability in the Apollo config client. It provides a standardized way to create metrics exporters, which will contribute to improved monitoring capabilities.

Summary of the review:

The license header is correctly included.

The package structure and naming conventions are appropriate.

The interface design is clean and follows good software engineering principles.

Minor improvements in documentation have been suggested.

The overall design supports extensibility and encapsulation.

Great job on this addition to the Apollo client! Once the suggested documentation improvements are made, this code will be ready for the next steps in the review process.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (3)
1-19: LGTM: File header and package declaration are correct.

The file includes appropriate copyright and license information, and the package declaration is correct. The import statement for HashMap is also properly included.

32-41: LGTM: getInstance method implements double-checked locking correctly.

The getInstance method correctly implements the double-checked locking pattern for thread-safe lazy initialization of the singleton instance. The synchronization on the class object and the use of the volatile instance variable ensure proper concurrency handling.

1-46: Overall assessment: Well-implemented singleton factory with minor improvement opportunities.

The ApolloClientMonitorEventFactory class is a well-structured implementation of the singleton pattern for creating ApolloClientMonitorEvent objects. It correctly uses double-checked locking for thread-safe lazy initialization.

Key strengths:

Proper use of the volatile keyword for the instance variable.

Correct implementation of double-checked locking in getInstance().

Concise createEvent() method.

Suggestions for enhancement:

Improve class-level documentation to describe its purpose in the Apollo client monitoring system.

Add input validation in the createEvent() method.

Clarify the purpose of the null parameter in the ApolloClientMonitorEvent constructor.

These improvements would enhance the code's robustness and maintainability without altering its core functionality.

To ensure this factory is used consistently across the project, let's verify its usage:

✅ Verification successful

Verification Complete: Consistent Usage of ApolloClientMonitorEventFactory Confirmed.

The analysis of the codebase confirms that ApolloClientMonitorEventFactory is used consistently and correctly:

Direct Instantiations: Only found within ApolloClientMonitorEventFactory.java itself, adhering to the singleton pattern.

Singleton Access: All other classes utilize the getInstance() method to interact with the factory, ensuring thread-safe and centralized access.

No improper or inconsistent usages were detected, validating the initial assessment of the singleton implementation.
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Check for consistent usage of ApolloClientMonitorEventFactory

# Test: Search for direct instantiation attempts
echo "Checking for direct instantiation attempts:"
rg --type java "new ApolloClientMonitorEventFactory"

# Test: Verify correct usage of getInstance()
echo "Verifying correct usage of getInstance():"
rg --type java "ApolloClientMonitorEventFactory\.getInstance"

# Test: Check for any other references to the class
echo "Checking for other references to ApolloClientMonitorEventFactory:"
rg --type java "ApolloClientMonitorEventFactory" -g '!*ApolloClientMonitorEventFactory.java'
Length of output: 7922
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java (2)

17-22: LGTM: Package declaration and imports are appropriate.

The package name follows Java naming conventions and accurately reflects the internal nature of the interface. The imports are relevant to the interface's functionality.

1-59: Overall assessment: Good foundation with room for improvement.

The ApolloClientMetricsExporter interface provides a solid foundation for metrics exporting in the Apollo client. It defines the necessary methods for initializing the exporter, checking compatibility, and managing metrics. However, there are several areas where the interface could be enhanced:

Improve Javadocs throughout the interface to provide more comprehensive descriptions of methods and their parameters.

Consider using more specific types (e.g., Duration instead of long for time periods) to improve type safety.

Implement a builder pattern for metric creation to enhance usability and reduce the likelihood of errors.

Provide more structure around tags and metric values to ensure consistency across implementations.

These improvements will make the interface more robust, easier to use, and less prone to misuse or misinterpretation by developers implementing or using the exporter.

The current implementation is functional and can be used as-is, but implementing the suggested improvements would significantly enhance its quality and maintainability.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (4)

1-23: LGTM: License header and package declaration are correct.

The file includes the appropriate Apache License 2.0 header, and the package declaration is correct. The imports seem appropriate for the functionality provided by this class.

31-34: LGTM: getNamespaceMetrics() implementation is correct.

The method correctly returns an empty map, which is appropriate for a null implementation when no metrics are available.

37-45: LGTM: getNotFoundNamespaces() and getTimeoutNamespaces() implementations are correct.

Both methods correctly return empty lists, which is appropriate for a null implementation when no namespaces are found or timed out.

1-57: Overall assessment: The implementation is correct and follows good practices.

The NullClientNamespaceMonitorApi class correctly implements the null object pattern for the ApolloClientNamespaceMonitorApi and ApolloClientJmxNamespaceMBean interfaces. All methods return appropriate empty or zero values, which is consistent with a null implementation.

Some minor improvements have been suggested:

Adding a class-level Javadoc comment to explain the purpose of this null implementation.

Adding @Override annotations to all interface method implementations.

These changes would enhance the code's clarity and maintainability.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (2)

1-26: LGTM: File header and package declaration are correct.

The file starts with the appropriate Apache 2.0 license header, and the package declaration follows Java naming conventions. The import statements are relevant to the class being implemented.

35-42: LGTM: init and isSupport methods are correctly implemented.

The init method is appropriately empty, and the isSupport method correctly returns false, which is consistent with the null object pattern implementation.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (4)

1-28: LGTM: File header and package declaration are correct.

The file starts with the appropriate Apache 2.0 license header, and the package declaration matches the file's location in the project structure. The necessary imports are also present.

29-37: LGTM: Class declaration and setup method are well-structured.

The test class is properly named, and the setUp method is correctly annotated with @Before. The initialization of the namespaceMonitorApi in the setup method ensures a fresh instance for each test, following JUnit best practices.

38-44: LGTM: testGetNamespaceMetrics method is well-implemented.

This test method correctly verifies that the getNamespaceMetrics() method of NullClientNamespaceMonitorApi returns a non-null, empty map, which is the expected behavior for a null implementation.

1-68: Overall, the test class is well-implemented with room for minor improvements.

The NullClientNamespaceMonitorApiTest class provides good coverage for the NullClientNamespaceMonitorApi, testing all its methods. The tests are structured correctly and follow JUnit best practices. The suggested improvements (renaming a method and reducing duplication) would enhance the clarity and maintainability of the tests.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (4)
1-21: LGTM: Package declaration and imports are appropriate.

The package name com.ctrip.framework.apollo.monitor.api is suitable for a monitoring API. The imports are relevant and necessary for the interface methods and inner class.

28-31: LGTM: getNamespaceMetrics() method signature is appropriate.

The method returns a Map<String, NamespaceMetrics>, which is suitable for associating metrics with namespace names. The comment accurately describes the contents of NamespaceMetrics.

38-46: LGTM: getNotFoundNamespaces() and getTimeoutNamespaces() methods are well-defined.

These methods return List<String>, which is appropriate for returning multiple namespace names. The method names and comments clearly describe their purpose.

33-36: 🛠️ Refactor suggestion

Consider changing the return type to Integer.

As suggested in a previous review, changing the return type to Integer would allow for null values, which can be useful to represent cases where the property size is not available or applicable.
-  Integer getNamespacePropertySize(String namespace);
+  Integer getNamespacePropertySize(String namespace);
Likely invalid or redundant comment.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java (3)

1-22: LGTM: File structure and package declaration are correct.

The file includes the appropriate Apache 2.0 license header, correct package declaration, and necessary imports. This follows best practices for Java file organization.

26-49: LGTM: Interface declaration and methods are well-defined.

The ApolloClientJmxNamespaceMBean interface is correctly annotated with @MXBean for JMX compatibility. The method declarations are clear, follow Java naming conventions, and use appropriate return types for JMX. Each method has a descriptive comment explaining its purpose.

1-92: Overall assessment: Well-implemented JMX MBean interface with minor improvement opportunities

This new file introduces a well-structured JMX MBean interface for monitoring Apollo Client metrics. The implementation follows good Java practices and provides clear methods for retrieving various namespace-related metrics.

Key strengths:

Proper use of the @MXBean annotation for JMX compatibility.

Clear and descriptive method names with appropriate return types.

Good encapsulation in the NamespaceMetricsString inner class.

Areas for minor improvements:

Enhance method comments, particularly for getNamespaceMetricsString().

Consider making NamespaceMetricsString a static inner class with private fields.

Add JavaDoc comments to the NamespaceMetricsString class and its fields.

These suggestions aside, the implementation is solid and ready for integration into the Apollo Client monitoring system.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java (3)

1-33: LGTM: Proper license header and import statements.

The file includes the correct Apache 2.0 license header, which is crucial for open-source projects. The import statements are well-organized and include all necessary classes for JUnit, Mockito, and Apollo client testing.

51-59: LGTM: Well-structured test for no external system type scenario.

This test case effectively verifies the behavior of getMetricsReporter when no external system type is specified. The use of Mockito for stubbing and verification is appropriate and follows best practices for unit testing.

75-83: LGTM: Well-structured test for unknown exporter scenario.

This test case effectively verifies the behavior of getMetricsReporter when an unknown external system type is specified. The use of Mockito for stubbing and verification is appropriate and follows best practices for unit testing.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (2)

1-29: LGTM: File structure and imports are well-organized.

The package declaration, imports, and overall file structure follow good practices. The use of static imports for Mockito methods enhances readability.

30-36: LGTM: Class declaration and field setup are appropriate.

The class name accurately reflects its purpose, and private fields are correctly declared for all necessary mocks, following good unit testing practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java (4)

1-30: LGTM: Package declaration and imports are appropriate.

The package name and imports are well-structured and relevant to the class's functionality. They follow the project's conventions and include necessary dependencies for the implementation.

31-39: LGTM: Class structure and fields are well-defined.

The class name is descriptive and follows the naming convention. The logger is correctly initialized, and the ConfigUtil instance is obtained using the appropriate dependency injection mechanism.

41-46: LGTM: getMetricsReporter method is well-implemented.

The method correctly overrides the interface method, retrieves the necessary configuration, and delegates the main work to the private method findAndInitializeExporter. The implementation is concise and follows good practices.

1-74: Overall assessment: Well-implemented factory with minor improvement suggestions.

The DefaultApolloClientMetricsExporterFactory class is a solid implementation of the ApolloClientMetricsExporterFactory interface. It provides a flexible mechanism for creating and initializing metrics exporters based on the specified external system type. The code is well-structured, follows good practices, and includes appropriate error handling.

Key strengths:

Clear separation of concerns between public and private methods.

Efficient use of streams for filtering exporters.

Thorough error handling and logging.

Suggested improvements:

More explicit null handling for the external system type.

Enhanced error messaging to aid in troubleshooting.

These minor enhancements would further improve the robustness and maintainability of the code. Overall, this implementation is a valuable addition to the Apollo client's monitoring capabilities.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java (4)

36-51: LGTM: Proper setup for unit tests

The class declaration and field setup follow best practices for JUnit and Mockito usage. The @Mock and @InjectMocks annotations are correctly used, and the setUp method is properly annotated with @Before. The initialization of mocks in the setUp method ensures a clean state before each test.

53-62: LGTM: Comprehensive test for namespace not found scenario

This test method effectively verifies the behavior of DefaultApolloClientNamespaceApi when a namespace is not found. It correctly creates an event, calls the collect0 method, and asserts that the namespace is added to the notFoundNamespaces list.

64-73: LGTM: Well-structured test for namespace timeout scenario

This test method effectively verifies the behavior of DefaultApolloClientNamespaceApi when a namespace times out. It correctly creates an event, calls the collect0 method, and asserts that the namespace is added to the timeoutNamespaces list.

1-110: Overall assessment: Well-structured test suite with room for enhancement

The DefaultApolloClientNamespaceApiTest class provides a comprehensive set of unit tests for the DefaultApolloClientNamespaceApi class. The tests cover various scenarios including namespace not found, timeout, normal usage, property size retrieval, and metrics export.

Key strengths:

Proper use of JUnit and Mockito for testing.

Good coverage of different scenarios.

Clear and readable test methods.

Suggested improvements:

Enhance robustness of the testCollectNormalNamespace method.

Expand test cases for testGetNamespacePropertySize.

Improve coverage and assertions in testExportMetrics.

Implementing these suggestions will further improve the quality and reliability of the test suite, ensuring more comprehensive coverage of the DefaultApolloClientNamespaceApi functionality.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (2)

1-34: LGTM: File header and imports are correct.

The file includes the appropriate Apache 2.0 license header and all necessary imports for the test class.

35-44: LGTM: Class declaration and setup method are well-structured.

The class name follows the convention for test classes, and the setUp method correctly initializes the test environment before each test.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (2)

1-39: LGTM: Imports and package declaration are correct and well-organized.

The package declaration and imports are appropriate for the test class. All necessary classes are imported, and there are no unused imports.

1-95: Overall, the test class is well-structured and provides good coverage.

The ApolloClientMonitorContextTest class effectively tests the core functionalities of ApolloClientMonitorContext. The use of mocks, appropriate assertions, and clear test methods contribute to a robust test suite.

To further enhance the test class:

Consider adding edge cases and negative tests where appropriate.

Ensure consistent use of descriptive assertion messages across all test methods.

If there are any complex interactions or scenarios involving ApolloClientMonitorContext, consider adding integration tests in a separate class.

Great job on implementing these tests! They will significantly contribute to the reliability of the Apollo client monitoring framework.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (2)

36-43: LGTM: Class structure and field initializations look good.

The class structure is well-organized with private fields initialized using null implementations. This approach allows the class to function without requiring actual implementations initially, which is a good design choice for flexibility.

The use of Lists.newArrayList() to initialize the listener list is a good practice, ensuring that the list is never null.

82-100: LGTM: Getter methods are correctly implemented.

The getter methods for the monitoring APIs are straightforward and correctly return the corresponding fields. They provide a clean interface for accessing the monitoring APIs.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (2)

1-82: Well-structured and organized constant declarations.

The file is well-organized with constants grouped into logical sections (common, tracer, listener tag, and metrics). This structure enhances readability and maintainability. The use of comments to delineate sections is a good practice.

1-82: Overall assessment: Well-structured but with room for improvement

The ApolloClientMonitorConstant class provides a comprehensive set of constants for Apollo client monitoring. The organization into sections (common, tracer, listener tag, and metrics) is commendable. However, there are several areas where the code could be improved:

Consistency in naming conventions across all sections.

Use of prefixes to avoid potential naming conflicts.

Grouping related constants more tightly, possibly using nested classes or enums.

Adding more descriptive comments to explain the purpose and usage of constant groups.

Considering the addition of any missing constants that might be useful for monitoring.

Implementing these suggestions will enhance the maintainability, readability, and extensibility of the monitoring constants. Great job on providing a solid foundation for Apollo client monitoring!

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java (1)

61-77: Event handling logic is clear and well-structured

The collect0 method correctly processes events and delegates handling to appropriate methods based on the event name. The use of switch statements enhances readability and maintainability.

...n/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java

...ava/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java

...m/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java

apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java

coderabbitai

Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (2)
31-34: LGTM! Consider adding a constructor for better testability.

The class structure is well-designed, implementing the ConfigMonitor interface and using dependency injection for ApolloClientMonitorContext. This approach promotes loose coupling and flexibility.

To improve testability, consider adding a constructor that accepts ApolloClientMonitorContext as a parameter:
private final ApolloClientMonitorContext apolloClientMonitorContext;

public DefaultConfigMonitor(ApolloClientMonitorContext apolloClientMonitorContext) {
    this.apolloClientMonitorContext = apolloClientMonitorContext;
}

public DefaultConfigMonitor() {
    this(ApolloInjector.getInstance(ApolloClientMonitorContext.class));
}
This change would allow for easier mocking in unit tests while maintaining the current functionality.

56-59: LGTM! Consider adding a null check for robustness.

The getExporterData() method correctly retrieves the response from the metrics exporter. However, to improve robustness, consider adding a null check for the metrics exporter.

Here's a suggested improvement:
@Override
public String getExporterData() {
    MetricsExporter exporter = apolloClientMonitorContext.getMetricsExporter();
    return exporter != null ? exporter.response() : "Metrics exporter not available";
}
This change would prevent a potential NullPointerException if the metrics exporter is not initialized for some reason.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between c3e5a96 and 01afcdf.

📒 Files selected for processing (23)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (4 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (1 hunks)

🚧 Files skipped from review as they are similar to previous changes (22)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java

🔇 Additional comments (5)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (5)

36-39: LGTM! Method implementation is correct and follows good practices.

The getThreadPoolMonitorApi() method correctly delegates to the apolloClientMonitorContext object, maintaining a clean separation of concerns. This approach is consistent with the overall design of the class.

41-44: LGTM! Consistent implementation with other methods.

The getExceptionMonitorApi() method follows the same pattern as the previous method, correctly delegating to the apolloClientMonitorContext object. This consistency in implementation is commendable.

46-49: LGTM! Consistent and correct implementation.

The getNamespaceMonitorApi() method maintains the same pattern as the previous methods, correctly delegating to the apolloClientMonitorContext object. This consistency enhances the overall readability and maintainability of the class.

51-54: LGTM! Consistent implementation pattern maintained.

The getRunningParamsMonitorApi() method follows the established pattern, correctly delegating to the apolloClientMonitorContext object. This consistency across all methods is a positive aspect of the implementation.

1-60: Overall, well-implemented class with room for minor improvements.

The DefaultConfigMonitor class is well-structured and consistently implemented. It effectively delegates responsibilities to the ApolloClientMonitorContext, maintaining a clean separation of concerns. The suggested improvements, such as adding a constructor for better testability and including null checks, would further enhance the robustness of the class. Great job on maintaining consistency across method implementations!

coderabbitai

Actionable comments posted: 30

🧹 Outside diff range and nitpick comments (51)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (2)
1-16: Consider updating the copyright year in the license header.

The current copyright year is set to 2022. Since this file is part of the OSPP 2024 program, it might be more appropriate to update it to the current year or use a range (e.g., 2022-2024) to accurately reflect the file's creation and modification dates.

22-31: Approve interface design with suggestion for improved documentation.

The ApolloClientMetricsExporterFactory interface is well-designed and follows good practices:

Clear and descriptive naming

Appropriate use of the factory pattern

Flexible design allowing multiple listeners

However, the Javadoc for the getMetricsReporter method could be more informative.

Consider expanding the Javadoc comment to provide more details:
/**
 * Gets a metrics reporter configured with the provided listeners.
 *
 * @param listeners A list of event listeners to be used by the metrics reporter
 * @return An instance of ApolloClientMetricsExporter configured with the provided listeners
 */
ApolloClientMetricsExporter getMetricsReporter(List<ApolloClientMonitorEventListener> listeners);
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (2)
25-41: LGTM: Singleton implementation is thread-safe, but consider simplifying.

The singleton implementation using double-checked locking is correct and thread-safe. However, since Java 5, the use of a volatile variable might not be necessary due to the updated Java Memory Model.

Consider simplifying the implementation using an enum-based singleton or a static holder class, which are both simpler and guaranteed to be thread-safe by the JVM:
public enum ApolloClientMonitorEventFactory {
    INSTANCE;
    
    public ApolloClientMonitorEvent createEvent(String name) {
        // Implementation here
    }
}
Or:
public class ApolloClientMonitorEventFactory {
    private ApolloClientMonitorEventFactory() {}
    
    private static class Holder {
        static final ApolloClientMonitorEventFactory INSTANCE = new ApolloClientMonitorEventFactory();
    }
    
    public static ApolloClientMonitorEventFactory getInstance() {
        return Holder.INSTANCE;
    }
    
    // Other methods
}
These alternatives are simpler, equally effective, and don't require explicit synchronization.

21-46: Enhance documentation and thread-safety indication.

The overall structure of the class is good, but consider the following improvements:

Add Javadoc comments for the class and methods to improve maintainability and usability. For example:
/**
 * Factory for creating ApolloClientMonitorEvent instances.
 * This class is implemented as a thread-safe singleton.
 */
@ThreadSafe
public class ApolloClientMonitorEventFactory {
    // ...

    /**
     * Returns the singleton instance of ApolloClientMonitorEventFactory.
     *
     * @return The singleton instance
     */
    public static ApolloClientMonitorEventFactory getInstance() {
        // ...
    }

    // ... (add Javadoc for createEvent method as suggested in the previous comment)
}
Add the @ThreadSafe annotation from javax.annotation.concurrent package to explicitly indicate that this class is thread-safe.

These additions will improve the code's self-documentation and make its thread-safety guarantees more explicit.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (1)

1-57: Overall: Excellent implementation of the null object pattern.

The NullClientNamespaceMonitorApi class provides a robust and consistent implementation of the null object pattern for the ApolloClientNamespaceMonitorApi and ApolloClientJmxNamespaceMBean interfaces. All methods return safe, empty results or default values, which is ideal for scenarios where no actual monitoring data is available.

Some additional points to consider:

The use of Collections.empty*() methods is efficient and thread-safe.

The implementation is consistent across all methods.

The class is well-documented with appropriate copyright and license information.

Consider adding a brief class-level Javadoc comment explaining the purpose of this null object implementation and when it should be used in the Apollo client. This would enhance the documentation and make it easier for other developers to understand the class's role in the overall architecture.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java (1)
27-50: Consider refactoring the class design for better testability and flexibility.

The current design of ApolloClientMonitorEventPublisher as a utility class with static methods and fields might limit its testability and flexibility. Consider the following suggestions:

Use dependency injection instead of static initialization. This would allow for easier mocking in tests and more flexible configuration.

Implement the class as a regular (non-static) class that can be instantiated. This would improve testability and allow for multiple instances if needed.

Use an interface to define the contract for the event publisher, allowing for different implementations or decorators.

Here's a sketch of how this could look:
public interface ApolloClientMonitorEventPublisher {
    void publish(ApolloClientMonitorEvent event);
}

public class DefaultApolloClientMonitorEventPublisher implements ApolloClientMonitorEventPublisher {
    private final ApolloClientMonitorContext monitorContext;
    private final ConfigUtil configUtil;

    @Inject
    public DefaultApolloClientMonitorEventPublisher(ApolloClientMonitorContext monitorContext, ConfigUtil configUtil) {
        this.monitorContext = monitorContext;
        this.configUtil = configUtil;
    }

    @Override
    public void publish(ApolloClientMonitorEvent event) {
        // Implementation here
    }
}
This design would make the class more modular, easier to test, and more aligned with dependency injection principles.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (2)
35-59: Consider adding Javadoc comments and debug logging.

While the no-op implementations are correct for a null object pattern, consider the following improvements:

Add Javadoc comments to each method explaining their no-op behavior. This will make the purpose of the class clearer to other developers.

Consider adding debug-level logging in each method to aid in troubleshooting. This can help track when these methods are called in a production environment.

Example for the init method:
/**
 * No-op implementation of the init method.
 * This method is intentionally empty as part of the null object pattern.
 */
@Override
public void init(List<ApolloClientMonitorEventListener> listeners, long collectPeriod) {
    log.debug("NullApolloClientMetricsExporter.init called with {} listeners and collect period {}",
              listeners.size(), collectPeriod);
}
Apply similar changes to other methods for consistency and improved observability.

27-30: Add a class-level Javadoc comment.

Consider adding a more descriptive class-level Javadoc comment to explain the purpose and usage of this null object implementation. This will help other developers understand when and why to use this class.

Example:
/**
 * A null object implementation of the ApolloClientMetricsExporter interface.
 * This class provides no-op implementations for all methods and is used when
 * no actual metrics exporter is configured or available.
 * 
 * It ensures that the absence of a metrics exporter doesn't cause errors in the system,
 * while still providing a way to log that no exporter is available when metrics are requested.
 */
public class NullApolloClientMetricsExporter implements ApolloClientMetricsExporter {
    // ... existing code ...
}
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (1)
46-51: LGTM with a minor suggestion: Consider renaming the test method.

The test case correctly verifies that the getNamespacePropertySize() method returns 0 for any namespace, which is the expected behavior for a null implementation.

Consider renaming the test method to testGetNamespacePropertySize to better reflect the method being tested:
- public void testGetNamespaceItemNames() {
+ public void testGetNamespacePropertySize() {
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1)
51-54: LGTM, but consider renaming for consistency.

The method implementation is correct and follows the established pattern. However, there's a slight inconsistency between the method name getRunningParamsMonitorApi and the API it's calling getBootstrapArgsApi.

Consider renaming the method to getBootstrapArgsMonitorApi for better consistency:
- public ApolloClientBootstrapArgsMonitorApi getRunningParamsMonitorApi() {
+ public ApolloClientBootstrapArgsMonitorApi getBootstrapArgsMonitorApi() {
    return apolloClientMonitorContext.getBootstrapArgsApi();
  }
This change would make the method name more aligned with the underlying API it's calling.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (3)

30-48: LGTM: Well-structured setup for unit tests.

The setUp method is well-organized and properly annotated with @Before. It effectively initializes mock objects and uses MockInjector for dependency injection, which is crucial for isolated testing.

Consider adding a brief comment explaining the purpose of the ApolloClientMonitorEventPublisher.reset() call, as it's not immediately obvious why this is necessary.

50-80: LGTM: Comprehensive test coverage with well-structured test methods.

The three test methods effectively cover the main scenarios for the ApolloClientMonitorEventPublisher:

Client monitor enabled and event supported

Client monitor enabled but event not supported

Client monitor disabled

Each test follows the Arrange-Act-Assert pattern and makes good use of Mockito for mocking and verification.

Consider adding the following test cases to improve coverage:

Test with multiple listeners, where some support the event and others don't.

Test the behavior when the list of listeners is empty.

Test with different types of events to ensure proper handling of various ApolloClientMonitorEvent implementations.

1-81: Great job on the test implementation!

This test class for ApolloClientMonitorEventPublisher is well-structured and effectively validates the core functionality of the event publisher. The use of Mockito for mocking dependencies and the clear arrangement of test scenarios demonstrate good testing practices.

To further enhance this test class:

Consider adding more edge cases and boundary conditions to improve test coverage.

Add comments explaining the purpose of each test method to improve readability.

Consider using parameterized tests for scenarios that might benefit from testing multiple input variations.

Overall, this is a solid foundation for ensuring the reliability of the ApolloClientMonitorEventPublisher class.

As the monitoring system evolves, consider implementing a test factory or builder pattern for creating different types of events and listeners. This would make it easier to add and maintain tests for new event types in the future.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java (3)
53-62: Consider improving test robustness

While the test correctly verifies the behavior when a namespace is not found, it could be made more robust by:

Checking that the notFoundNamespaces collection is empty before the test.

Verifying that only the expected namespace is in the collection after the test.

Here's a suggested improvement:
@Test
public void testCollectNamespaceNotFound() {
    assertTrue("notFoundNamespaces should be empty initially", namespaceApi.getNotFoundNamespaces().isEmpty());

    ApolloClientMonitorEvent event = ApolloClientMonitorEventFactory
        .getInstance().createEvent(APOLLO_CLIENT_NAMESPACE_NOT_FOUND)
        .putAttachment(NAMESPACE, "testNamespace");

    namespaceApi.collect0(event);

    assertEquals("Only testNamespace should be in notFoundNamespaces", 
                 Collections.singleton("testNamespace"), 
                 namespaceApi.getNotFoundNamespaces());
}
This change ensures the test is more comprehensive and less prone to false positives.

64-73: Enhance test robustness for timeout scenario

The test correctly verifies the behavior when a namespace times out, but it can be improved for robustness:

Check that the timeoutNamespaces collection is empty before the test.

Verify that only the expected namespace is in the collection after the test.

Here's a suggested improvement:
@Test
public void testCollectNamespaceTimeout() {
    assertTrue("timeoutNamespaces should be empty initially", namespaceApi.getTimeoutNamespaces().isEmpty());

    ApolloClientMonitorEvent event = ApolloClientMonitorEventFactory
        .getInstance().createEvent(APOLLO_CLIENT_NAMESPACE_TIMEOUT)
        .putAttachment(NAMESPACE, "testNamespace");

    namespaceApi.collect0(event);

    assertEquals("Only testNamespace should be in timeoutNamespaces", 
                 Collections.singleton("testNamespace"), 
                 namespaceApi.getTimeoutNamespaces());
}
This change ensures the test is more comprehensive and less prone to false positives.

1-110: Overall assessment: Good foundation with room for improvement

This test class provides a solid foundation for testing the DefaultApolloClientNamespaceApi class. The tests cover various scenarios and use appropriate mocking techniques. However, there are several opportunities to enhance the robustness and coverage of these tests:

Implement the suggested improvements for each test method to make them more comprehensive and resilient to initial states.

Consider adding more edge cases and boundary conditions to each test.

Ensure that all public methods of DefaultApolloClientNamespaceApi are covered by tests.

Add tests for any error conditions or exception handling in the DefaultApolloClientNamespaceApi class.

Consider using parameterized tests for scenarios that can be tested with multiple inputs.

By implementing these suggestions, you'll significantly improve the quality and reliability of your test suite.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (3)
46-55: Add assertion for collect period in testInit.

The testInit method correctly verifies that the collectors are set. However, it's missing an assertion to check if the collect period is set correctly.

Consider adding the following assertion:
assertEquals(collectPeriod, exporter.getCollectPeriod());
This will ensure that both the collectors and the collect period are properly initialized.

57-74: Enhance testUpdateMetricsData with additional assertions.

The testUpdateMetricsData method effectively tests the basic flow of updating metrics data. However, it could be improved by adding assertions to verify the state after the update.

Consider adding the following assertions:
verify(mockListener).isMetricsSampleUpdated();
assertTrue(exporter.hasMetric("testGauge"));
assertEquals(10.0, exporter.getMetricValue("testGauge"), 0.001);
These additions will verify that the listener's isMetricsSampleUpdated method was called and that the gauge was correctly registered with the expected value.

35-122: Enhance test coverage with additional test cases.

The current test class covers basic functionality, but it could benefit from additional test cases to improve coverage and robustness.

Consider adding the following test cases:

Test error conditions, such as initializing with null collectors or negative collect period.

Test edge cases, such as registering samples with duplicate names or invalid values.

Test the behavior when no metrics are updated.

Test the export method with various combinations of updated and non-updated metrics.

For example:
@Test(expected = IllegalArgumentException.class)
public void testInitWithNullCollectors() {
    exporter.init(null, 10L);
}

@Test
public void testUpdateMetricsDataWithNoUpdates() {
    when(mockListener.isMetricsSampleUpdated()).thenReturn(false);
    exporter.init(Collections.singletonList(mockListener), 10L);
    exporter.updateMetricsData();
    verify(mockListener, never()).export();
}

@Test
public void testRegisterDuplicateSample() {
    GaugeModel gauge1 = (GaugeModel) GaugeModel.create("testGauge", 5.0);
    GaugeModel gauge2 = (GaugeModel) GaugeModel.create("testGauge", 10.0);
    exporter.registerSample(gauge1);
    exporter.registerSample(gauge2);
    assertEquals(10.0, exporter.getMetricValue("testGauge"), 0.001);
}
These additional test cases will help ensure the robustness of the AbstractApolloClientMetricsExporter implementation.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApiTest.java (1)
58-68: Consider enhancing the duplicate exception test.

While this test correctly verifies that calling collect0 multiple times increments the exception count, it could be improved by checking if the exceptions in the list are actually the same object. This would ensure that the DefaultApolloClientExceptionApi is not just incrementing a counter but actually storing duplicate exceptions as intended.

Consider adding an assertion to verify that both exceptions in the list are the same object:
List<Exception> exceptions = exceptionApi.getApolloConfigExceptionList();
assertEquals(2, exceptions.size());
assertSame(exceptions.get(0), exceptions.get(1));
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (4)
40-59: LGTM: Class setup and mock initialization are correct.

The test class is well-structured with proper use of Mockito annotations for mock objects. The setUp method is correctly annotated with @Before and initializes the mocks and the monitorContext.

Consider adding a brief class-level Javadoc comment to describe the purpose of this test class. For example:
/**
 * Unit tests for the {@link ApolloClientMonitorContext} class to verify
 * its initialization, API management, and event listener handling.
 */
public class ApolloClientMonitorContextTest {
    // ... existing code ...
}
61-68: LGTM: Initial context test is comprehensive.

The testInitContext method effectively verifies that the ApolloClientMonitorContext initializes with the expected null implementations for all APIs.

To improve readability and make the test more robust, consider using Hamcrest matchers. This would make the assertions more expressive and provide better error messages. For example:
import static org.hamcrest.CoreMatchers.*;
import static org.hamcrest.MatcherAssert.assertThat;

@Test
public void testInitContext() {
    assertThat(monitorContext.getBootstrapArgsApi(), instanceOf(NullClientBootstrapArgsMonitorApi.class));
    assertThat(monitorContext.getNamespaceApi(), instanceOf(NullClientNamespaceMonitorApi.class));
    assertThat(monitorContext.getThreadPoolApi(), instanceOf(NullClientThreadPoolMonitorApi.class));
    assertThat(monitorContext.getExceptionApi(), instanceOf(NullClientExceptionMonitorApi.class));
    assertThat(monitorContext.getMetricsExporter(), instanceOf(NullApolloClientMetricsExporter.class));
}
This change would require adding Hamcrest as a test dependency if it's not already included.

70-83: LGTM: API setting and getting test is thorough.

The testSettingAndGettingApis method effectively tests the setter and getter methods for all APIs in the ApolloClientMonitorContext. The use of assertSame is appropriate for verifying that the exact mock objects are returned.

To improve test isolation and make the test more robust against potential future changes, consider resetting the monitorContext before setting the APIs. This ensures that the test starts with a clean state. You could add the following line at the beginning of the test method:
@Test
public void testSettingAndGettingApis() {
    monitorContext = new ApolloClientMonitorContext(); // Reset the context
    // ... existing code ...
}
Alternatively, if you prefer not to create a new instance, you could add a reset() method to ApolloClientMonitorContext that resets all APIs to their null implementations, and call it at the beginning of this test.

85-95: LGTM: Event listener test is good, but could be more comprehensive.

The testGetCollectors method correctly tests adding event listeners to the ApolloClientMonitorContext and verifies the number of listeners.

Consider enhancing this test to be more comprehensive:

Verify that the returned list contains the exact listeners that were added:
assertTrue(listeners.contains(listener));
assertTrue(listeners.contains(listener2));
Test the behavior when adding a duplicate listener:
monitorContext.addApolloClientMonitorEventListener(listener);
listeners = monitorContext.getApolloClientMonitorEventListeners();
assertEquals(2, listeners.size()); // Should still be 2, not 3
Test removing a listener if the ApolloClientMonitorContext supports this operation:
monitorContext.removeApolloClientMonitorEventListener(listener);
listeners = monitorContext.getApolloClientMonitorEventListeners();
assertEquals(1, listeners.size());
assertFalse(listeners.contains(listener));
assertTrue(listeners.contains(listener2));
These additions would provide more thorough coverage of the event listener functionality.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (2)
19-22: Enhance class Javadoc for better documentation.

The current Javadoc only includes the author information. Consider adding a brief description of the class's purpose and its role in the Apollo client monitoring system. This will improve the overall documentation and make it easier for other developers to understand the class's functionality.

Example:
/**
 * Constants used for Apollo client monitoring.
 * This class provides a centralized repository of string constants used throughout
 * the Apollo client for monitoring, tracing, and metrics collection.
 *
 * @author Rawven
 */
public class ApolloClientMonitorConstant {
    // ... existing code ...
}
24-35: Add comments to clarify the purpose of common constants.

While the constant names are generally self-explanatory, adding brief comments to some of the less obvious ones would improve code readability and maintainability. Consider adding comments to constants like MBEAN_NAME, NAMESPACE_RELEASE_KEY, and META_FRESH to explain their specific roles in the monitoring system.

Example:
/**
 * common
 */
// Name used for registering Apollo client monitoring MBeans
public static final String MBEAN_NAME = "apollo.client.monitor:type=";

// Key for storing the release key of a namespace
public static final String NAMESPACE_RELEASE_KEY = "releaseKey";

// Key for storing the timestamp of the last metadata refresh
public static final String META_FRESH = "metaFreshTime";

// ... other constants ...
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (1)
37-44: LGTM with a minor suggestion for improvement.

The class structure and field initializations look good. The use of null implementations for the APIs is a good practice following the Null Object pattern.

Consider initializing the listener list with an expected capacity to optimize memory usage:
-  private List<ApolloClientMonitorEventListener> listener = Lists.newArrayList();
+  private List<ApolloClientMonitorEventListener> listener = Lists.newArrayListWithCapacity(4);
This can slightly improve performance if you have an estimate of the typical number of listeners.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java (3)
24-26: Add class-level JavaDoc for the interface

The ApolloClientMetricsExporter interface lacks a class-level JavaDoc comment. Adding documentation will improve code readability and help other developers understand the purpose and usage of this interface.

Consider adding a JavaDoc comment like:
+/**
+ * This interface defines methods for exporting Apollo client metrics to custom monitoring systems.
+ * Implementations can provide specific integrations with external metrics platforms.
+ */
 public interface ApolloClientMetricsExporter extends Ordered {
37-37: Rename parameter form to monitoringSystem for clarity

The parameter name form in the isSupport method may not clearly convey its purpose. Renaming it to monitoringSystem will improve readability and understanding of the code.

Apply this diff to rename the parameter:
-boolean isSupport(String form);
+boolean isSupport(String monitoringSystem);
42-42: Consistent naming: Rename tag to tags

In the methods registerOrUpdateCounterSample and registerOrUpdateGaugeSample, the parameter tag is a Map<String, String> representing multiple tags. Renaming it to tags reflects that it holds multiple entries and enhances code clarity.

Apply this diff to rename the parameter:
-void registerOrUpdateCounterSample(String name, Map<String, String> tag, double incrValue);
+void registerOrUpdateCounterSample(String name, Map<String, String> tags, double incrValue);

-void registerOrUpdateGaugeSample(String name, Map<String, String> tag, double value);
+void registerOrUpdateGaugeSample(String name, Map<String, String> tags, double value);
Also applies to: 48-48
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (10)
23-25: Add a class-level JavaDoc to describe the interface

The interface ApolloClientNamespaceMonitorApi lacks a descriptive class-level JavaDoc comment. Providing a detailed description will improve the readability and maintainability of the code by explaining the purpose and usage of this interface.

28-31: Enhance the method JavaDoc for getNamespaceMetrics()

The current JavaDoc comment for getNamespaceMetrics() is insufficient. Consider providing a clear and comprehensive description of what this method returns and its significance.

33-36: Clarify the JavaDoc for getNamespacePropertySize(String namespace)

The method's JavaDoc lacks detail. Provide a more descriptive comment explaining what the method does, the meaning of the returned integer, and any potential exceptions or edge cases.

38-41: Improve the JavaDoc for getNotFoundNamespaces()

Expand the JavaDoc to clearly describe what constitutes a "not found" namespace and under what circumstances namespaces would be included in the returned list.

43-46: Provide additional details in the JavaDoc for getTimeoutNamespaces()

The current comment is minimal. Elaborate on what it means for a namespace to "timeout" and how this method is useful for clients of the API.

49-87: Add JavaDoc comments to NamespaceMetrics class and its members

To enhance code readability and maintainability, consider adding JavaDoc comments to the NamespaceMetrics class, its fields, and methods. This documentation will help other developers understand the purpose and usage of each component.

51-54: Initialize fields explicitly or in the constructor

The field latestUpdateTime is initialized using LocalDateTime.now(), and releaseKey is set to an empty string. Consider initializing all fields consistently, either directly or through a constructor, to improve code clarity.

76-78: Validate input in setFirstLoadTimeSpendInMs(long firstLoadTimeSpendInMs)

Consider adding validation to ensure that firstLoadTimeSpendInMs is not negative, which could indicate an invalid state.

49-87: Override toString() in NamespaceMetrics for better logging

Implementing toString() can facilitate debugging and logging by providing a readable representation of NamespaceMetrics instances.

Apply this diff to add toString():
+ @Override
+ public String toString() {
+   return "NamespaceMetrics{" +
+       "usageCount=" + usageCount +
+       ", firstLoadTimeSpendInMs=" + firstLoadTimeSpendInMs +
+       ", latestUpdateTime=" + latestUpdateTime +
+       ", releaseKey='" + releaseKey + '\'' +
+       '}';
+ }
Reminder: Update the CHANGES log

Please ensure that the CHANGES log is updated to reflect the new additions in your changes, following the project's contributing guidelines.

File: CHANGES.md

🔗 Analysis chain

Line range hint 91-91: Reminder: Update the CHANGES log

Ensure that you update the CHANGES log to reflect these new additions, as per the project's contributing guidelines.

Run the following script to check if the CHANGES log has been updated:
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:
#!/bin/bash
# Description: Verify if the CHANGES log has been updated with the new additions.

# Check if CHANGES is in the list of modified files
git diff --name-only | grep -i "CHANGES"

# If CHANGES is not modified, remind to update it
if [ $? -ne 0 ]; then
    echo "Please remember to update the CHANGES log with your new changes."
fi
Length of output: 197
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApi.java (5)
45-45: Declare monitorExceptionQueueSize as a Final Instance Variable

To improve code clarity and maintainability, declare monitorExceptionQueueSize as a private final instance variable. This makes the queue size immutable after construction and accessible throughout the class.

Apply this diff to implement the suggestion:
+  private final int monitorExceptionQueueSize;
   
   public DefaultApolloClientExceptionApi() {
     super(TAG_ERROR);
-    int monitorExceptionQueueSize = ApolloInjector.getInstance(ConfigUtil.class).getMonitorExceptionQueueSize();
+    this.monitorExceptionQueueSize = ApolloInjector.getInstance(ConfigUtil.class).getMonitorExceptionQueueSize();
     EvictingQueue<ApolloConfigException> evictingQueue = EvictingQueue.create(
-        monitorExceptionQueueSize);
+        this.monitorExceptionQueueSize);
     exceptionsQueue = Queues.synchronizedQueue(evictingQueue);
   }
68-73: Add Null Check and Proper Exception Handling

In the collect0 method, ensure that the exception handling is robust. While there is a null check for exception, consider adding additional checks and handling unexpected cases to prevent potential NullPointerException.

Apply this diff to enhance exception handling:
     @Override
     public void collect0(ApolloClientMonitorEvent event) {
         ApolloConfigException exception = event.getAttachmentValue(THROWABLE);
-        if (exception != null) {
+        if (exception != null && exceptionsQueue != null) {
             exceptionsQueue.add(exception);
             exceptionCountFromStartup.incrementAndGet();
             createOrUpdateCounterSample(METRICS_EXCEPTION_NUM, 1);
         }
     }
38-43: Add Class-Level JavaDoc for Better Documentation

Currently, the class lacks a detailed JavaDoc comment explaining its purpose and usage. Adding comprehensive documentation will improve code readability and maintainability.

Consider adding JavaDoc like:
/**
 * Default implementation of {@link ApolloClientExceptionMonitorApi} and {@link ApolloClientJmxExceptionMBean}.
 * <p>
 * This class collects and monitors exceptions related to the Apollo Client configuration and provides metrics and details for analysis.
 * </p>
 */
public class DefaultApolloClientExceptionApi extends
    AbstractApolloClientMonitorEventListener implements
    ApolloClientExceptionMonitorApi, ApolloClientJmxExceptionMBean {
17-17: Organize Imports and Package Declarations

Ensure that the package declaration and import statements follow the project's coding standards, such as grouping imports logically and adding a blank line between the package declaration and imports.

Organize the imports for better readability.

1-16: Remove Unnecessary License Header Comments

The license header comments seem excessive and may not align with the project's standard license header format. Consider replacing it with the standard short form if applicable.

Verify if the license header complies with the project's guidelines.
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (3)
46-46: Define a Logger for Logging Purposes

To enable logging within the class, define a static logger instance. This will facilitate adding logging statements for better traceability.

Apply this diff to add the logger definition:
 public class ConfigMonitorInitializer {
+  private static final Logger logger = LoggerFactory.getLogger(ConfigMonitorInitializer.class);
Don't forget to add the necessary import statement at the top of the file:
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
53-62: Add Logging in the initialize() Method for Better Traceability

Consider adding logging statements before and after the initialization process to track when initialization begins and ends.

Apply this diff to include logging:
 public static void initialize() {
+  logger.debug("Checking if ConfigMonitor initialization is required...");
   if (m_configUtil.isClientMonitorEnabled() && !hasInitialized) {
     synchronized (ConfigMonitorInitializer.class) {
       if (!hasInitialized) {
+        logger.info("Initializing ConfigMonitor...");
         doInit();
         hasInitialized = true;
+        logger.info("ConfigMonitor initialized successfully.");
       }
     }
   }
 }
64-68: Add Logging in the doInit() Method for Better Traceability

Adding logging statements at the start and end of the doInit() method can help in debugging and monitoring the initialization steps.

Apply this diff to include logging:
 private static void doInit() {
+  logger.debug("Starting doInit process...");
   initializeMetricsEventListener();
   initializeMetricsExporter();
   initializeJmxMonitoring();
+  logger.debug("doInit process completed.");
 }
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java (3)
41-43: Add a class-level Javadoc comment to describe the purpose of the class

The class currently lacks a detailed Javadoc comment. Providing a comprehensive description of the class's responsibilities and usage will enhance maintainability and help other developers understand its role within the system.

Example:
/**
 * Default implementation of the {@link ApolloClientNamespaceMonitorApi} and {@link ApolloClientJmxNamespaceMBean}.
 * This class listens to Apollo client monitor events related to namespaces, collects metrics,
 * and provides APIs for accessing namespace metrics and statuses.
 *
 * @author Rawven
 */
61-77: Add Javadoc comments to public methods for better documentation

The public methods lack Javadoc comments explaining their purpose, parameters, and return values. Adding this documentation will improve code readability and assist developers who use or maintain these methods.

Example for collect0 method:
/**
 * Collects and processes an Apollo client monitor event related to namespaces.
 *
 * @param event the {@link ApolloClientMonitorEvent} to be processed
 */
@Override
public void collect0(ApolloClientMonitorEvent event) {
    // Method implementation...
}
Also applies to: 141-162, 164-167, 169-172, 174-177, 179-191, 193-197

103-105: Handle unexpected event names more robustly

Currently, unhandled event names are logged as warnings. Consider throwing an exception or implementing a fallback mechanism if encountering an unexpected event should be treated as an error.
 default:
-    logger.warn("Unhandled event name: {}", eventName);
+    logger.error("Unhandled event name: {}", eventName);
+    throw new IllegalArgumentException("Unhandled event name: " + eventName);

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 01afcdf and 3c46683.

📒 Files selected for processing (25)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (4 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApiTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (1 hunks)

✅ Files skipped from review due to trivial changes (1)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java

🧰 Additional context used

🔇 Additional comments (56)

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (1)

17-20: LGTM: Package declaration and imports are correct.

The package declaration matches the file path, and the import for ApolloClientMonitorEventListener is appropriate for the interface being defined.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (2)
17-19: LGTM: Package declaration and imports are correct.

The package name is appropriate for the class's purpose, and the import is correctly used in the code.

43-45: LGTM: createEvent method is concise, but clarify the null parameter.

The createEvent method is well-implemented and memory-efficient with the use of a HashMap with an initial capacity of 2. However, there's a potential issue:

The second parameter of the ApolloClientMonitorEvent constructor is set to null. Is this intentional? If not, consider providing a meaningful value or removing the parameter if it's not required.

Consider adding a brief Javadoc comment to explain the purpose of this method and the meaning of the name parameter.

Example:
/**
 * Creates a new ApolloClientMonitorEvent with the given name.
 *
 * @param name The name of the event
 * @return A new ApolloClientMonitorEvent instance
 */
public ApolloClientMonitorEvent createEvent(String name) {
    return new ApolloClientMonitorEvent(name, /* clarify or remove this null */, new HashMap<>(2));
}
To verify the usage of ApolloClientMonitorEvent constructor, please run the following script:
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (6)

1-29: LGTM: File structure and class declaration are well-organized.

The file includes appropriate copyright and license information, correct package declaration and imports, and proper class documentation. The class declaration correctly implements the required interfaces.

31-34: LGTM: Correct implementation of getNamespaceMetrics().

The method correctly returns an empty map using Collections.emptyMap(), which is an efficient way to implement the null object pattern for this method.

37-40: LGTM: Correct implementation of getNotFoundNamespaces().

The method correctly returns an empty list using Collections.emptyList(), which is an efficient way to implement the null object pattern for this method.

42-45: LGTM: Correct implementation of getTimeoutNamespaces().

The method correctly returns an empty list using Collections.emptyList(), which is an efficient way to implement the null object pattern for this method.

47-50: LGTM: Correct implementation of getNamespaceMetricsString().

The method correctly returns an empty map using Collections.emptyMap(), which is an efficient way to implement the null object pattern for this method.

52-55: LGTM: Correct implementation of getNamespacePropertySize().

The method correctly returns 0 as an Integer, which is an appropriate default value for the null object pattern implementation of this method.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java (3)
27-31: ⚠️ Potential issue

Improve static field declarations and naming conventions.

Consider making the static fields final to enhance immutability and thread safety.

Rename m_configUtil to follow standard Java naming conventions.

Use uppercase for the MONITOR_CONTEXT constant name.

Apply this diff to address these issues:
 public class ApolloClientMonitorEventPublisher {

-  private static ApolloClientMonitorContext MONITOR_CONTEXT = ApolloInjector.getInstance(
+  private static final ApolloClientMonitorContext MONITOR_CONTEXT = ApolloInjector.getInstance(
       ApolloClientMonitorContext.class);
-  private static ConfigUtil m_configUtil = ApolloInjector.getInstance(ConfigUtil.class);
+  private static final ConfigUtil CONFIG_UTIL = ApolloInjector.getInstance(ConfigUtil.class);
33-42: ⚠️ Potential issue

Optimize the publish method for multiple listener support and update variable usage.

Allow multiple listeners to process the event if needed.

Update the usage of the renamed CONFIG_UTIL variable.

Apply this diff to improve the publish method:
 public static void publish(ApolloClientMonitorEvent event) {
-  if (m_configUtil.isClientMonitorEnabled()) {
+  if (CONFIG_UTIL.isClientMonitorEnabled()) {
     for (ApolloClientMonitorEventListener listener : MONITOR_CONTEXT.getApolloClientMonitorEventListeners()) {
       if (listener.isSupported(event)) {
         listener.collect(event);
-        return;
       }
     }
   }
 }
This change allows all supported listeners to process the event. If the intention is to have only one listener process the event, please add a comment explaining this design decision.

44-49: ⚠️ Potential issue

Reconsider the design of the reset method.

The reset method directly modifies static fields, which can lead to thread-safety issues and violates encapsulation principles. Consider the following suggestions:

If this method is intended for testing, move it to a test utility class.

If it's needed in production code, consider using thread-safe initialization techniques or dependency injection.

Add synchronization to prevent potential race conditions.

Here's an example of how you might improve this:
public class ApolloClientMonitorEventPublisher {
    private static final Object lock = new Object();
    private static volatile ApolloClientMonitorContext MONITOR_CONTEXT;
    private static volatile ConfigUtil CONFIG_UTIL;

    private static ApolloClientMonitorContext getMonitorContext() {
        if (MONITOR_CONTEXT == null) {
            synchronized (lock) {
                if (MONITOR_CONTEXT == null) {
                    MONITOR_CONTEXT = ApolloInjector.getInstance(ApolloClientMonitorContext.class);
                }
            }
        }
        return MONITOR_CONTEXT;
    }

    private static ConfigUtil getConfigUtil() {
        if (CONFIG_UTIL == null) {
            synchronized (lock) {
                if (CONFIG_UTIL == null) {
                    CONFIG_UTIL = ApolloInjector.getInstance(ConfigUtil.class);
                }
            }
        }
        return CONFIG_UTIL;
    }

    // Use getMonitorContext() and getConfigUtil() in your methods instead of directly accessing the fields
}
This approach uses lazy initialization with double-checked locking, which is thread-safe and maintains encapsulation.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (2)

1-26: LGTM: Package declaration and imports are correct.

The package declaration, imports, and license header are all properly included and correct for this class.

27-33: LGTM: Class declaration and logger initialization are correct.

The class declaration properly implements the ApolloClientMetricsExporter interface. The logger initialization has been corrected to use the NullApolloClientMetricsExporter.class, addressing the issue mentioned in the past review comment.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (5)

29-36: LGTM: Class structure and setUp method are well-implemented.

The class declaration and setUp method follow good practices for unit testing. The NullClientNamespaceMonitorApi is properly initialized before each test, ensuring a clean state for each test case.

38-44: LGTM: testGetNamespaceMetrics is well-implemented.

The test case correctly verifies that the getNamespaceMetrics() method returns a non-null, empty map, which is the expected behavior for a null implementation.

53-59: LGTM: testGetNotFoundNamespaces is correctly implemented.

The test case properly verifies that the getNotFoundNamespaces() method returns a non-null, empty list, which is the expected behavior for a null implementation.

As mentioned in a previous review, consider refactoring this method along with testGetTimeoutNamespaces to reduce code duplication. You can refer to the earlier suggestion for a parameterized test or helper method approach.

61-67: LGTM: testGetTimeoutNamespaces is correctly implemented.

The test case properly verifies that the getTimeoutNamespaces() method returns a non-null, empty list, which is the expected behavior for a null implementation.

As mentioned in a previous review, consider refactoring this method along with testGetNotFoundNamespaces to reduce code duplication. You can refer to the earlier suggestion for a parameterized test or helper method approach.

1-68: Overall assessment: Well-implemented test class with minor suggestions for improvement.

The NullClientNamespaceMonitorApiTest class is well-structured and thoroughly tests the expected behavior of the NullClientNamespaceMonitorApi. All test methods are correctly implemented and cover the necessary scenarios for a null implementation.

To further improve the code:

Consider renaming testGetNamespaceItemNames to better reflect the method being tested.

Evaluate the suggestion from a previous review to refactor testGetNotFoundNamespaces and testGetTimeoutNamespaces to reduce code duplication.

These minor improvements will enhance the maintainability and clarity of the test class.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (5)

31-34: LGTM: Class declaration and field initialization look good.

The class is correctly declared as public and implements the ConfigMonitor interface. The use of ApolloInjector for obtaining the ApolloClientMonitorContext instance promotes loose coupling and dependency injection, which are good practices. The final keyword on the field ensures immutability, enhancing thread-safety.

36-39: LGTM: getThreadPoolMonitorApi method is well-implemented.

The method correctly overrides the interface method and delegates the responsibility to apolloClientMonitorContext.getThreadPoolApi(). This approach maintains a clear separation of concerns and promotes code modularity.

41-44: LGTM: getExceptionMonitorApi method is correctly implemented.

This method follows the same pattern as getThreadPoolMonitorApi, maintaining consistency in the code. It properly delegates to apolloClientMonitorContext.getExceptionApi(), adhering to the principle of separation of concerns.

46-49: LGTM: getNamespaceMonitorApi method is well-implemented.

This method maintains the consistent pattern established in the previous methods. It correctly delegates to apolloClientMonitorContext.getNamespaceApi(), adhering to the design principles of the class.

1-60: Overall, the implementation is well-structured and follows good practices.

The DefaultConfigMonitor class correctly implements the ConfigMonitor interface, providing a clean and consistent API for accessing various monitoring functionalities. The use of dependency injection via ApolloInjector promotes loose coupling, and the consistent delegation pattern in all methods enhances maintainability.

A few minor suggestions have been made to improve naming consistency and code readability, but these do not impact the overall functionality of the class. Great job on implementing this monitoring interface!

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java (1)

1-33: LGTM: File structure and imports are well-organized.

The file includes appropriate copyright and license information, and the necessary imports for JUnit, Mockito, and Apollo classes are present. The structure follows good practices for Java test files.

apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (1)

1-29: LGTM: File header and imports are appropriate.

The file includes the necessary copyright and license information. The imports are correctly specified for the test class, including Mockito for mocking, JUnit for testing, and the required Apollo framework classes.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java (4)
36-51: LGTM: Proper setup for unit testing

The class declaration and setup method are well-structured. The use of @InjectMocks and @Mock annotations, along with the MockitoAnnotations.initMocks(this) call in the setUp method, follows best practices for dependency injection in unit tests using Mockito.

75-85: 🛠️ Refactor suggestion

Implement suggested improvement for normal namespace collection test

The current test doesn't account for potential initial state. As suggested in the past review comment, let's improve the test to make it more robust:
@Test
public void testCollectNormalNamespace() {
    ApolloClientMonitorEvent event = ApolloClientMonitorEventFactory
        .getInstance().createEvent(APOLLO_CLIENT_NAMESPACE_USAGE)
        .putAttachment(NAMESPACE, "testNamespace");

    int initialCount = namespaceApi.getNamespaceMetrics().getOrDefault("testNamespace", new NamespaceMetric()).getUsageCount();
    namespaceApi.collect0(event);

    // Verify that the usage count has been incremented by 1
    assertEquals(initialCount + 1, namespaceApi.getNamespaceMetrics().get("testNamespace").getUsageCount());
}
This change ensures the test passes regardless of the initial state of the namespaceApi, making it more reliable and less prone to false positives or negatives.

87-94: 🛠️ Refactor suggestion

Enhance test coverage for getNamespacePropertySize method

As suggested in the past review comment, let's improve this test to cover more scenarios:
@Test
public void testGetNamespacePropertySize() {
    // Test with single property
    when(config.getPropertyNames()).thenReturn(Collections.singleton("property1"));
    assertEquals(Integer.valueOf(1), namespaceApi.getNamespacePropertySize("testNamespace"));

    // Test with multiple properties
    when(config.getPropertyNames()).thenReturn(new HashSet<>(Arrays.asList("property1", "property2", "property3")));
    assertEquals(Integer.valueOf(3), namespaceApi.getNamespacePropertySize("testNamespace"));

    // Test with empty property set
    when(config.getPropertyNames()).thenReturn(Collections.emptySet());
    assertEquals(Integer.valueOf(0), namespaceApi.getNamespacePropertySize("testNamespace"));
}
These additional cases provide more comprehensive coverage of the getNamespacePropertySize method, testing single property, multiple properties, and empty property set scenarios.

96-109: 🛠️ Refactor suggestion

Enhance test coverage for export0 method

As suggested in the past review comment, let's improve this test to cover more aspects of the export0 method:
@Test
public void testExportMetrics() {
    // Set up initial state
    namespaceApi.collect0(ApolloClientMonitorEventFactory.getInstance()
        .createEvent(APOLLO_CLIENT_NAMESPACE_USAGE)
        .putAttachment(NAMESPACE, "namespace1"));
    namespaceApi.collect0(ApolloClientMonitorEventFactory.getInstance()
        .createEvent(APOLLO_CLIENT_NAMESPACE_NOT_FOUND)
        .putAttachment(NAMESPACE, "namespace2"));
    namespaceApi.collect0(ApolloClientMonitorEventFactory.getInstance()
        .createEvent(APOLLO_CLIENT_NAMESPACE_TIMEOUT)
        .putAttachment(NAMESPACE, "namespace3"));

    // Mock config properties
    when(config.getPropertyNames()).thenReturn(new HashSet<>(Arrays.asList("prop1", "prop2")));

    // Call the export method
    namespaceApi.export0();

    // Verify interactions with the configManager
    verify(configManager).getConfig("namespace1");
    verify(configManager, never()).getConfig("namespace2");
    verify(configManager, never()).getConfig("namespace3");

    // Verify metrics are reset after export
    assertTrue(namespaceApi.getNamespaceMetrics().isEmpty());
    assertTrue(namespaceApi.getNotFoundNamespaces().isEmpty());
    assertTrue(namespaceApi.getTimeoutNamespaces().isEmpty());

    // Verify exported metrics (you might need to mock or inject a metrics collector)
    // This part depends on how metrics are actually exported in your implementation
}
This enhanced test provides more comprehensive coverage of the export0 method's behavior, including:

Setting up initial state with different types of events.

Verifying interactions with configManager for different namespaces.

Checking that metrics are reset after export.

Note: You may need to adjust the final part about verifying exported metrics based on your actual implementation of metric collection and export.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (2)

35-44: LGTM: Class declaration and setup method are well-structured.

The test class is properly declared, and the setUp method correctly initializes the necessary objects for testing. This follows good unit testing practices.

1-122: LGTM: Overall code quality and style are good.

The code demonstrates good quality and style:

Proper Java naming conventions are followed.

Imports are organized correctly.

The code is well-formatted and readable.

The structure of the test class is logical and easy to follow.

These practices contribute to the maintainability and readability of the code.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApiTest.java (5)
36-43: LGTM: Well-structured setup method.

The setUp method is well-implemented, using mocks and system properties to create a controlled test environment. This approach ensures consistent and isolated test execution.

45-56: LGTM: Comprehensive test for exception collection.

This test method effectively verifies that the collect0 method correctly adds an exception to the internal list. The use of mocks and specific assertions ensures thorough coverage of the functionality.

70-88: LGTM: Thorough test for exception details retrieval.

This test method effectively verifies that the getApolloConfigExceptionDetails method returns the correct exception details. It checks both the number of exceptions and their content, providing good coverage of the functionality.

1-109: Overall, well-structured and comprehensive test suite.

The DefaultApolloClientExceptionApiTest class provides good coverage of the DefaultApolloClientExceptionApi functionality. The tests are well-organized, use appropriate mocking techniques, and cover various scenarios including basic exception collection, duplicate handling, and max queue size behavior.

A few minor improvements have been suggested to enhance the robustness of the testCollect0_IncrementsExceptionCount and testCollect0_HandlesMaxQueueSize methods. Implementing these suggestions will provide even more thorough testing of the API's behavior.

Great job on writing these tests! They will significantly contribute to the reliability of the Apollo client monitoring framework.

90-108: 🛠️ Refactor suggestion

Enhance max queue size test and address overflow behavior.

The test correctly verifies that the exception list doesn't exceed the maximum size. However, as mentioned in a previous review, it doesn't check what happens to the oldest entry when the queue is full.

Consider the following improvements:

Verify that the oldest exception is removed when the queue is full:
List<Exception> exceptions = exceptionApi.getApolloConfigExceptionList();
assertEquals(10, exceptions.size());
assertFalse(exceptions.stream().anyMatch(e -> e.getMessage().equals("Exception 0")));
assertTrue(exceptions.stream().anyMatch(e -> e.getMessage().equals("Overflow Exception")));
Check if the exceptions are stored in the correct order (newest first or oldest first, depending on the implementation):
assertEquals("Overflow Exception", exceptions.get(0).getMessage()); // If newest first
// OR
assertEquals("Exception 1", exceptions.get(0).getMessage()); // If oldest first
These additions will provide a more comprehensive test of the queue behavior and overflow handling.
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (2)

1-39: LGTM: File header and imports are correct and complete.

The file includes the appropriate Apache 2.0 license header and all necessary imports for JUnit, Mockito, and the classes under test. The organization of imports is clean and follows best practices.

1-95: Overall, excellent test coverage with room for minor enhancements.

The ApolloClientMonitorContextTest class provides comprehensive coverage of the ApolloClientMonitorContext functionality. The tests are well-structured, use appropriate mocking techniques, and cover the main aspects of the class under test.

To further improve the test class, consider implementing the following suggestions:

Add a class-level Javadoc comment to describe the purpose of the test class.

Use Hamcrest matchers in testInitContext for more expressive assertions.

Improve test isolation in testSettingAndGettingApis by resetting the context before the test.

Enhance testGetCollectors with more comprehensive checks on the listener list.

These enhancements will make the tests more robust, readable, and maintainable.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (2)

54-60: Listener tag constants are well-defined and organized.

The listener tag constants are concise, follow a consistent naming pattern, and are clearly grouped. This section effectively defines the different types of monitors or listeners used in the Apollo client monitoring system.

1-82: Overall, well-structured constants class with room for minor improvements.

The ApolloClientMonitorConstant class provides a comprehensive set of constants for Apollo client monitoring. The constants are logically grouped and follow consistent naming conventions. The suggested improvements, including enhanced documentation, nested classes for better organization, and grouping of related metrics, will further improve the maintainability and usability of this class.

Key strengths:

Consistent naming conventions

Logical grouping of constants

Comprehensive coverage of monitoring-related constants

Suggested improvements:

Enhance class-level Javadoc

Add comments to clarify the purpose of some common constants

Consider using nested classes for hierarchical constant organization

Group related metrics constants for better organization

Implementing these suggestions will result in a more robust and developer-friendly constants class, facilitating easier maintenance and extension of the Apollo client monitoring system.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (2)

84-102: LGTM: Getter methods are correctly implemented.

The getter methods for the monitoring APIs and metrics exporter are straightforward and correctly implemented. They provide direct access to the monitoring components, which is appropriate for this context.

37-103: LGTM: Well-designed class structure for monitoring context.

The overall design of the ApolloClientMonitorContext class is well-structured and follows good practices:

It serves as a centralized context for managing various monitoring functionalities.

The use of the Null Object pattern for default implementations is a good choice, allowing the class to function even without custom implementations.

The API is clear and easy to use, providing methods to set and get monitoring components.

The class offers flexibility for users to set custom implementations or use default ones.

The class design promotes modularity and extensibility, which are crucial for a monitoring context in a large framework like Apollo.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java (1)

52-90: Avoid code duplication by referencing existing comments

There is an existing review comment suggesting the addition of JavaDoc comments to the NamespaceMetricsString class and its fields, as well as marking fields as private. Since these suggestions are still valid, please address them accordingly.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java (1)

35-75: Overall, the code implementation is solid

The class DefaultApolloClientMetricsExporterFactory is well-structured, and methods are properly implemented. The use of dependency injection and logging is appropriate.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApi.java (1)

46-46: ⚠️ Potential issue

Ensure Thread Safety of the Exception Queue

The exceptionsQueue should be thread-safe to handle concurrent access properly. Using Queues.synchronizedQueue wraps the queue but consider explicitly documenting this and ensuring that all access to the queue is correctly synchronized.

Review the thread safety of exceptionsQueue and confirm that all operations are safe in a concurrent environment.

apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporter.java (5)

36-36: Restrict visibility and adjust naming convention for m_executorService

50-58: Consider validating input parameters in init method

54-54: Make a defensive copy of the listeners list to ensure thread safety

65-71: Consider handling executor rejection policy

85-105: Declare missing abstract methods for sample registration
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1)
114-130: ⚠️ Potential issue

Ensure Producers List Is Not Null Before Use

Verify that the producers list is not null before adding elements to it to avoid potential NullPointerException.

Apply this diff to check for null:
 List<MessageProducer> producers = ServiceBootstrap.loadAllOrdered(MessageProducer.class);
+if (producers == null) {
+  producers = new ArrayList<>();
+}
Likely invalid or redundant comment.
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java (2)

153-153: Add null check to prevent NullPointerException when accessing config properties

As previously noted, configManager.getConfig(namespace) could return null. Ensure a null check is in place to handle this scenario gracefully.

185-185: Handle potential NullPointerException when converting latestUpdateTime to String

As previously noted, metrics.getLatestUpdateTime() could be null. Add a null check or default value.

apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (2)

74-78: New configuration fields added correctly

The new private fields for client monitoring configuration are appropriately declared with default values.

94-98: Initialization methods added to constructor

The constructor now includes calls to the new initialization methods, ensuring that client monitoring configurations are properly initialized.

...o-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java

...ramework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java

...trip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java

...m/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java

apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java

coderabbitai

Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (1)
63-65: LGTM with a minor suggestion: Enhanced monitoring for namespace usage.

The addition of metrics logging for namespace usage is a valuable enhancement to the monitoring capabilities. The condition ensures that metrics are only logged for valid configurations.

Consider using a StringBuilder or String.format() for the metrics key to avoid potential memory allocation issues with string concatenation, especially if this method is called frequently:
Tracer.logMetricsForCount(String.format("%s:%s", APOLLO_CLIENT_NAMESPACE_USAGE, namespace));

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apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java (4 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApiTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java (1 hunks)
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java (1 hunks)

🚧 Files skipped from review as they are similar to previous changes (25)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/api/ApolloClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorConstant.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContext.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/DefaultConfigMonitor.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisher.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/ApolloClientMetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/DefaultApolloClientMetricsExporterFactory.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/exporter/impl/NullApolloClientMetricsExporter.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/jmx/mbean/ApolloClientJmxNamespaceMBean.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApi.java
apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/ApolloClientMonitorContextTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/event/ApolloClientMonitorEventPublisherTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/AbstractApolloClientMetricsExporterTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/exporter/DefaultApolloClientMetricsExporterFactoryTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientExceptionApiTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/DefaultApolloClientNamespaceApiTest.java
apollo-client/src/test/java/com/ctrip/framework/apollo/monitor/internal/listener/impl/NullClientNamespaceMonitorApiTest.java

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🔇 Additional comments (3)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (3)

19-19: LGTM: New imports added correctly.

The new import statements for ApolloClientMonitorConstant, ConfigSourceType, and Tracer are correctly added and necessary for the new functionality.

Also applies to: 25-25, 28-28

41-41: LGTM: Improved code organization.

Moving the m_factoryManager declaration and initializing it in the constructor improves code organization and follows good practices for dependency injection.

63-65: Verify MetricsEvent object pool implementation.

In a previous review, there was a concern about memory allocation when using events. You mentioned solving this through a MetricsEvent object pool. While the current implementation uses Tracer.logMetricsForCount, which aligns with the suggestion to use a counter, it would be beneficial to verify the object pool implementation.

Could you please confirm that the MetricsEvent object pool has been implemented in the Tracer class or provide information on where this optimization has been applied? This will help ensure that the memory allocation concern has been adequately addressed.

nobodyiam

Looks good to me but please address the formatting issues in accordance with the Contributing Guide.

apollo-client/pom.xml

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigManager.java

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java

...o-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java

coderabbitai

Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (1)

Line range hint 1-93: Overall assessment: Good addition with room for optimization.

The changes to DefaultConfigManager.java successfully introduce new monitoring capabilities for namespace usage in the Apollo client. The code structure has been improved by moving the m_factoryManager initialization to the constructor.

However, there are opportunities for performance optimization, particularly in the metrics logging implementation. Consider the suggestions provided earlier to enhance efficiency, especially if the getConfig method is called frequently.

Remember to update the changelog as mentioned in the PR description, and ensure that the unit tests you're working on cover these new changes thoroughly.
apollo-client/pom.xml (1)
100-110: LGTM with suggestions for improvement

The addition of the junitperf dependency is structurally correct and appropriately scoped for testing. However, I have a couple of suggestions to enhance maintainability and clarity:
Consider specifying a version for junitperf to ensure build consistency. For example:
<version>2.0.0</version>
It would be helpful to add a comment explaining why logback-classic is excluded. This can prevent future confusion or accidental removal of the exclusion.
Could you please address these points and provide some context on why logback-classic is being excluded?

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apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (2 hunks)

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🔇 Additional comments (4)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (4)
19-19: LGTM: New imports are appropriate for the added functionality.

The new imports for ApolloClientMonitorConstant, ConfigSourceType, and Tracer are correctly added to support the new monitoring functionality in the getConfig method.

Also applies to: 25-25, 28-28

41-41: LGTM: Improved code organization.

Moving the m_factoryManager initialization to the constructor is a good practice. It centralizes the initialization logic and can make future dependency injection easier if needed.

64-64: LGTM: Past suggestion implemented.

The code has successfully implemented the suggestion from the previous review to use Tracer.logMetricsForCount(APOLLO_CLIENT_NAMESPACE_USAGE + ":" + namespace);. This change aligns with the recommended approach for metrics logging.

63-65: 🛠️ Refactor suggestion

Consider performance optimization for metrics logging.

The new conditional check for logging metrics is a good addition for monitoring namespace usage. However, there are a few points to consider:

String concatenation in APOLLO_CLIENT_NAMESPACE_USAGE+":"+namespace could be inefficient if this method is called frequently. Consider using a StringBuilder or a formatting method.

A previous comment suggested using a counter instead of an event for better memory efficiency. You mentioned solving this with a MetricsEvent object pool, but it's not visible in this code. Could you clarify how the object pool is being used here?

The logMetricsForCount method seems to be used for event-style logging. If this is called frequently, consider using a counter that's incremented and periodically reported instead of logging each occurrence.

Here's a suggestion for point 1:
if (!ConfigSourceType.NONE.equals(config.getSourceType())) {
    Tracer.logMetricsForCount(String.format("%s:%s", APOLLO_CLIENT_NAMESPACE_USAGE, namespace));
}
To understand the frequency of these calls and potential impact, let's check the usage of getConfig:

Rawven · 2024-10-12T13:08:39Z

@nobodyiam Sir, the unnecessary modifications and formatting issues have been resolved.

coderabbitai

Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (6)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (3)
223-223: LGTM: Improved event logging with constant.

The use of APOLLO_META_SERVICE constant instead of a string literal is a good improvement. It enhances code consistency and reduces the risk of typos.

Consider adding a brief comment explaining the purpose of this event log, e.g.:
// Log periodic refresh of meta service
Tracer.logEvent(APOLLO_META_SERVICE, "periodicRefresh");
This would provide more context for future maintainers.

263-263: LGTM: Improved exception logging with constant.

The use of APOLLO_CONFIG_EXCEPTION constant instead of a string literal is a good improvement. It enhances code consistency in exception logging.

Consider adding a log statement before the Tracer.logEvent call to provide more context about the exception:
logger.error("Failed to update config services", ex);
Tracer.logEvent(APOLLO_CONFIG_EXCEPTION, ExceptionUtil.getDetailMessage(ex));
This would ensure that the exception details are also available in the application logs, not just in the tracing system.

307-307: LGTM: Improved config service logging with constant.

The use of APOLLO_CONFIG_SERVICES constant instead of a string literal is a good improvement. It enhances code consistency in logging config service information.

Consider adding more context to the logged event:
Tracer.logEvent(APOLLO_CONFIG_SERVICES, "ConfigService: " + serviceUrl);
This would make the logged events more descriptive and easier to understand in monitoring systems.
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (2)
116-119: LGTM: Added timing measurement for first load

The addition of timing measurement for the first load of the namespace configuration enhances observability. The use of the APOLLO_CLIENT_NAMESPACE_FIRST_LOAD_SPEND constant for event logging improves maintainability.

Consider using a string format instead of concatenation for better readability:
Tracer.logEvent(String.format("%s:%s", APOLLO_CLIENT_NAMESPACE_FIRST_LOAD_SPEND, m_namespace),
    String.valueOf(System.currentTimeMillis() - start));
166-167: LGTM: Enhanced event logging in sync method

The use of the APOLLO_CLIENT_CONFIGS constant for event logging improves maintainability and consistency, aligning with the PR objective of enhancing observability.

Consider using a string format instead of concatenation for better readability:
Tracer.logEvent(String.format("%s%s", APOLLO_CLIENT_CONFIGS, current.getNamespaceName()),
    current.getReleaseKey());
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (1)
217-219: LGTM: Enhanced handling for SocketTimeoutException.

The addition of specific handling for SocketTimeoutException improves the granularity of error handling and provides more detailed logging for timeout events.

Consider adding a comment explaining the significance of this specific exception handling to improve code readability.
 if (ex.getCause() instanceof SocketTimeoutException) {
+  // Log a specific event for socket timeouts to track long polling issues
   Tracer.logEvent(APOLLO_CLIENT_NAMESPACE_TIMEOUT, assembleNamespaces());
 }

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apollo-client/pom.xml (1 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java (3 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (2 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4 hunks)
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (8 hunks)

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apollo-client/pom.xml
apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultConfigManager.java

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🔇 Additional comments (12)

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigServiceLocator.java (2)

19-20: LGTM: Improved constant usage for monitoring.

The addition of the static import for ApolloClientMonitorConstant is a good practice. It allows for direct use of monitoring constants, which can help prevent typos and improve code maintainability.

Line range hint 1-308: Overall assessment: Improved monitoring and logging practices.

The changes in this file consistently replace string literals with constants from ApolloClientMonitorConstant in various Tracer.logEvent calls. This improvement enhances code maintainability, reduces the risk of typos in event names, and aligns well with the PR objective of enhancing observability in the Apollo config client.

Key improvements:

Consistent use of APOLLO_META_SERVICE for meta service events.

Standardized exception logging with APOLLO_CONFIG_EXCEPTION.

Uniform logging of config services with APOLLO_CONFIG_SERVICES.

These changes do not alter the functional behavior of the class but significantly improve its monitoring capabilities. The modifications are low-risk and high-value, making them a positive contribution to the codebase.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigRepository.java (5)

19-20: LGTM: Import for ApolloClientMonitorConstant added

The addition of this import aligns with the PR objective of enhancing observability. It suggests that constants from ApolloClientMonitorConstant will be used for logging or metrics purposes throughout the class.

78-78: Please clarify the reason for changing m_executorService visibility

The visibility of m_executorService has been changed from private to protected. While this allows subclasses to access the field, it could potentially break encapsulation. Could you please explain the rationale behind this change? Are there specific use cases in subclasses that require direct access to this executor service?

141-144: LGTM: Enhanced event logging in schedulePeriodicRefresh

The use of constants APOLLO_CONFIGSERVICE and APOLLO_CLIENT_VERSION for event logging improves maintainability and consistency. These changes align well with the PR objective of enhancing observability.

197-197: LGTM: Enhanced event logging in loadApolloConfig

The use of constants APOLLO_CLIENT_CONFIGMETA, APOLLO_CLIENT_NAMESPACE_NOT_FOUND, and APOLLO_CONFIG_EXCEPTION for event logging improves maintainability and consistency. These changes enhance observability by providing more detailed logging for different scenarios, aligning well with the PR objective.

Also applies to: 268-269, 271-271, 278-278

Line range hint 1-365: Overall assessment: Improved observability and maintainability

The changes in this PR significantly enhance the observability of the Apollo client by introducing constants for event logging and adding timing measurements. These improvements align well with the PR objectives and will make it easier to monitor and debug the client's behavior.

Key improvements:

Introduction of constants from ApolloClientMonitorConstant for consistent event logging.

Addition of timing measurement for the first load of namespace configuration.

Enhanced event logging in various methods (schedulePeriodicRefresh, sync, loadApolloConfig).

There are a couple of minor suggestions for code improvement, mainly related to string formatting for better readability.

One point that requires clarification is the change in visibility of m_executorService from private to protected. Please provide the rationale for this change to ensure it doesn't unnecessarily break encapsulation.

Overall, these changes represent a solid step towards better observability in the Apollo config client.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java (4)

19-19: LGTM: Import statements added for new functionality.

The new import statements for ApolloClientMonitorConstant and SocketTimeoutException are correctly added to support the changes in exception handling and monitoring.

Also applies to: 54-54

214-214: LGTM: Improved exception logging using constant.

Replacing the hardcoded string with APOLLO_CONFIG_EXCEPTION constant improves code maintainability and consistency in logging.

Line range hint 222-223: LGTM: Improved error logging with more context.

The error log message now includes more detailed information, particularly the affected namespaces, which will greatly aid in debugging long polling issues.

Line range hint 19-223: Overall assessment: Improved error handling and observability.

The changes in this file enhance the RemoteConfigLongPollService by:

Adding more specific exception handling for SocketTimeoutException.

Improving logging with more context and use of constants.

Enhancing observability by logging specific events for timeouts.

These improvements will aid in debugging and monitoring the long polling service. The code changes are well-implemented and align with best practices.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java (1)

112-114: Bindings for monitoring components are correctly configured

The bindings for ConfigMonitor, ApolloClientMonitorContext, and ApolloClientMetricsExporterFactory are properly established as singletons. This integration enhances the monitoring capabilities of the Apollo client as intended.

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java

nobodyiam

LGTM

Anilople

LGTM

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feat(): refactor

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refactor(): rollback meaningless change

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apollo-client/src/main/java/com/ctrip/framework/apollo/internals/DefaultInjector.java Show resolved Hide resolved

docs(): add CHANGES.md

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[OSPP]Add more observability in apollo config client #74

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