Package org.apache.helix

Examples of org.apache.helix.ConfigAccessor

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  void checkResourceConfig(String resourceName, HelixManager manager)
  {
    if (!_resourceThreadpoolSizeMap.containsKey(resourceName))
    {
      int threadpoolSize = -1;
      ConfigAccessor configAccessor = manager.getConfigAccessor();
      if (configAccessor != null)
      {
        ConfigScope scope =
            new ConfigScopeBuilder().forCluster(manager.getClusterName())
                                    .forResource(resourceName)
                                    .build();

        String threadpoolSizeStr = configAccessor.get(scope, MAX_THREADS);
        try
        {
          if (threadpoolSizeStr != null)
          {
            threadpoolSize = Integer.parseInt(threadpoolSizeStr);
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  private static Logger logger = Logger.getLogger(ZKHelixAdmin.class);

  public ZKHelixAdmin(ZkClient zkClient)
  {
    _zkClient = zkClient;
    _configAccessor = new ConfigAccessor(zkClient);
  }
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  public ZKHelixAdmin(String zkAddress)
  {
    _zkClient = new ZkClient(zkAddress);
    _zkClient.setZkSerializer(new ZNRecordSerializer());
    _zkClient.waitUntilConnected(30, TimeUnit.SECONDS);
    _configAccessor = new ConfigAccessor(_zkClient);
  }
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      _baseDataAccessor = baseDataAccessor;
    }

    _helixAccessor =
        new ZKHelixDataAccessor(_clusterName, _instanceType, _baseDataAccessor);
    _configAccessor = new ConfigAccessor(_zkClient);
    int retryCount = 0;

    _zkClient.subscribeStateChanges(_zkStateChangeListener);
    while (retryCount < RETRY_LIMIT)
    {
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    _logger.info("registering msg factory for type " + type);
    int threadpoolSize = HelixTaskExecutor.DEFAULT_PARALLEL_TASKS;
    String threadpoolSizeStr = null;
    String key = type + "." + HelixTaskExecutor.MAX_THREADS;
   
    ConfigAccessor configAccessor = _manager.getConfigAccessor();
    if(configAccessor != null)
    {
      ConfigScope scope = null;
     
      // Read the participant config and cluster config for the per-message type thread pool size.
      // participant config will override the cluster config.
     
      if(_manager.getInstanceType() == InstanceType.PARTICIPANT || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
      {
        scope = new ConfigScopeBuilder().forCluster(_manager.getClusterName()).forParticipant(_manager.getInstanceName()).build();
        threadpoolSizeStr = configAccessor.get(scope, key);
      }
     
      if(threadpoolSizeStr == null)
      {
        scope = new ConfigScopeBuilder().forCluster(_manager.getClusterName()).build();
        threadpoolSizeStr = configAccessor.get(scope, key);
      }
    }
   
    if(threadpoolSizeStr != null)
    {
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    }
  }

  private boolean isEnabled()
  {
    ConfigAccessor configAccessor = _manager.getConfigAccessor();
    boolean enabled = true;
    if (configAccessor != null)
    {
      // zk-based cluster manager
      ConfigScope scope =
          new ConfigScopeBuilder().forCluster(_manager.getClusterName()).build();
      String isEnabled = configAccessor.get(scope, "healthChange.enabled");
      if (isEnabled != null)
      {
        enabled = new Boolean(isEnabled);
      }
    }
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Related Classes of org.apache.helix.ConfigAccessor

  • org.apache.helix.agent.TestHelixAgent
  • org.apache.helix.healthcheck.HealthStatsAggregationTask
  • org.apache.helix.healthcheck.HealthStatsAggregator
  • org.apache.helix.healthcheck.TestAlertActionTriggering
  • org.apache.helix.integration.ZkIntegrationTestBase
  • org.apache.helix.manager.zk.ZKHelixAdmin
  • org.apache.helix.manager.zk.ZkHelixConnection
  • org.apache.helix.manager.zk.ZKHelixManager
  • org.apache.helix.messaging.DefaultMessagingService
  • org.apache.helix.messaging.handling.HelixTaskExecutor
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