Package com.linkedin.helix

Examples of com.linkedin.helix.NotificationContext

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    System.out.println("START TestDefaultControllerMsgHandlerFactory at " + new Date(System.currentTimeMillis()));

    DefaultControllerMessageHandlerFactory facotry = new DefaultControllerMessageHandlerFactory();

    Message message = new Message(MessageType.NO_OP, "0");
    NotificationContext context = new NotificationContext(null);

    boolean exceptionCaught = false;
    try
    {
      MessageHandler handler = facotry.createHandler(message, context);
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  public void init()
  {
    updateNotificationTime(System.nanoTime());
    try
    {
      NotificationContext changeContext = new NotificationContext(_manager);
      changeContext.setType(NotificationContext.Type.INIT);
      invoke(changeContext);
    }
    catch (Exception e)
    {
      ZKExceptionHandler.getInstance().handle(e);
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    try
    {
      updateNotificationTime(System.nanoTime());
      if (dataPath != null && dataPath.startsWith(_path))
      {
        NotificationContext changeContext = new NotificationContext(_manager);
        changeContext.setType(NotificationContext.Type.CALLBACK);
        invoke(changeContext);
      }
    }
    catch (Exception e)
    {
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    try
    {
      updateNotificationTime(System.nanoTime());
      if (parentPath != null && parentPath.startsWith(_path))
      {
        NotificationContext changeContext = new NotificationContext(_manager);
        changeContext.setType(NotificationContext.Type.CALLBACK);
        invoke(changeContext);
      }
    }
    catch (Exception e)
    {
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   */
  public void reset()
  {
    try
    {
      NotificationContext changeContext = new NotificationContext(_manager);
      changeContext.setType(NotificationContext.Type.FINALIZE);
      invoke(changeContext);
    }
    catch (Exception e)
    {
      ZKExceptionHandler.getInstance().handle(e);
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    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    try
    {
      stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null));
    }
    catch (Exception e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    stateModel.onBecomeStandbyFromLeader(message, new NotificationContext(null));
  }
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  public void testOnBecomeStandbyFromLeader()
  {
    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    stateModel.onBecomeStandbyFromLeader(message, new NotificationContext(null));
  }
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    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    try
    {
      stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null));
    }
    catch (Exception e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    stateModel.rollbackOnError(message, new NotificationContext(null), null);
  }
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    Message message = new Message(MessageType.STATE_TRANSITION, "0");
    message.setPartitionName(clusterName);
    message.setTgtName("controller_0");
    try
    {
      stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null));
    }
    catch (Exception e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();
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    HelixManager manager = new MockZKHelixManager(clusterName, controllerName,
                               InstanceType.CONTROLLER,
                               _gZkClient);

    DistClusterControllerElection election = new DistClusterControllerElection(ZK_ADDR);
    NotificationContext context = new NotificationContext(manager);
    context.setType(NotificationContext.Type.INIT);
    election.onControllerChange(context);

//    path = PropertyPathConfig.getPath(PropertyType.LEADER, clusterName);
//    ZNRecord leaderRecord = _gZkClient.<ZNRecord> readData(path);
    LiveInstance liveInstance = accessor.getProperty(keyBuilder.controllerLeader());
    AssertJUnit.assertEquals(controllerName, liveInstance.getInstanceName());
    // AssertJUnit.assertNotNull(election.getController());
    // AssertJUnit.assertNull(election.getLeader());

    manager = new MockZKHelixManager(clusterName, "controller_1", InstanceType.CONTROLLER,
                               _gZkClient);
    election = new DistClusterControllerElection(ZK_ADDR);
    context = new NotificationContext(manager);
    context.setType(NotificationContext.Type.INIT);
    election.onControllerChange(context);
//    leaderRecord = _gZkClient.<ZNRecord> readData(path);
    liveInstance = accessor.getProperty(keyBuilder.controllerLeader());
    AssertJUnit.assertEquals(controllerName, liveInstance.getInstanceName());
    // AssertJUnit.assertNull(election.getController());
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Related Classes of com.linkedin.helix.NotificationContext

  • com.linkedin.helix.controller.GenericHelixController
  • com.linkedin.helix.controller.GenericHelixController$RebalanceTask
  • com.linkedin.helix.manager.file.FileCallbackHandler
  • com.linkedin.helix.manager.file.StaticFileHelixManager
  • com.linkedin.helix.manager.zk.CallbackHandler
  • com.linkedin.helix.manager.zk.TestDefaultControllerMsgHandlerFactory
  • com.linkedin.helix.messaging.handling.TestHelixTaskExecutor
  • com.linkedin.helix.messaging.TestAsyncCallbackSvc
  • com.linkedin.helix.monitoring.mbeans.TestClusterStatusMonitor
  • com.linkedin.helix.participant.TestDistControllerElection
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