Examples of org.apache.helix.HelixManager.connect()

org.apache.helix.HelixManager.connect()
Start participating in the cluster operations. All listeners will be initialized and will be notified for every cluster state change This method is not re-entrant. One cannot call this method twice. @throws Exception

        // StateMachineEngine();
        StateMachineEngine stateMach = manager.getStateMachineEngine();
        stateMach.registerStateModelFactory("LeaderStandby", stateModelFactory);
        // manager.getMessagingService().registerMessageHandlerFactory(MessageType.STATE_TRANSITION.toString(),
        // genericStateMachineHandler);
        manager.connect();
      } else {
        logger.error("cluster controller mode:" + controllerMode + " NOT supported");
        // throw new
        // IllegalArgumentException("Unsupported cluster controller mode:" +
        // controllerMode);

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    stateMach.registerStateModelFactory(stateModelName, new AgentStateModelFactory());


    Runtime.getRuntime().addShutdownHook(new HelixAgentShutdownHook(manager));


    try {
      manager.connect();
      Thread.currentThread().join();
    } catch (Exception e) {
      LOG.error(e);
    } finally {
      if (manager != null && manager.isConnected()) {

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    clusterSetup.addCluster(clusterName, true);


    // Registers and starts controller
    LOG.info("Starts controller");
    HelixManager controller = HelixManagerFactory.getZKHelixManager(clusterName, null, InstanceType.CONTROLLER, zkAddr);
    controller.connect();


    // Registers and starts participant
    LOG.info("Starts participant");
    String hostname = "localhost";
    String instanceId = String.format("%s_%d", hostname, 1);

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    String hostname = "localhost";
    String instanceId = String.format("%s_%d", hostname, 1);
    clusterSetup.addInstanceToCluster(clusterName, instanceId);
    HelixManager participant = HelixManagerFactory.getZKHelixManager(clusterName, 
        instanceId, InstanceType.PARTICIPANT, zkAddr);
    participant.connect();


    LOG.info("Register state machine");
    final CountDownLatch latch = new CountDownLatch(1);
    participant.getStateMachineEngine().registerStateModelFactory("OnlineOffline",
            new StateModelFactory<StateModel>() {

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    {
      manager = HelixManagerFactory.getZKHelixManager(CLUSTER_NAME,
                                                          "localhost_" + (START_PORT + 1),
                                                          InstanceType.PARTICIPANT,
                                                          ZK_ADDR);
      manager.connect();
      Assert.fail("Should fail on connect() since cluster structure is not set up");
    }
    catch(HelixException e)
    {
      // OK

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    {
      manager = HelixManagerFactory.getZKHelixManager(CLUSTER_NAME,
                                                          "localhost_" + (START_PORT + 3),
                                                          InstanceType.PARTICIPANT,
                                                          ZK_ADDR);
      manager.connect();
      Assert.fail("Should fail on connect() since cluster structure is not set up");
    }
    catch(HelixException e)
    {
      // OK

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    {
      manager = HelixManagerFactory.getZKHelixManager(CLUSTER_NAME,
                                                          "localhost_" + (START_PORT + 1),
                                                          InstanceType.PARTICIPANT,
                                                          ZK_ADDR);
      manager.connect();
      Assert.fail("Should fail on connect() since cluster structure is not set up");
    }
    catch(HelixException e)
    {
      // OK

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    {
      manager = HelixManagerFactory.getZKHelixManager(CLUSTER_NAME,
                                                          "localhost_" + (START_PORT + 1),
                                                          InstanceType.PARTICIPANT,
                                                          ZK_ADDR);
      manager.connect();
      Assert.fail("Should fail on connect() since cluster structure is not set up");
    }
    catch(HelixException e)
    {
      // OK

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        rec.setSimpleField("SERVICE_NAME", serviceMetadata.getServiceName());
        return rec;
      }
    };
    helixManager.setLiveInstanceInfoProvider(liveInstanceInfoProvider);
    helixManager.connect();
    serviceMap.put(serviceId, helixManager);
    refreshCache();
    return true;
  }

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    {
      if (controllerMode.equalsIgnoreCase(STANDALONE))
      {
        manager = HelixManagerFactory.getZKHelixManager(clusterName, controllerName,
            InstanceType.CONTROLLER, zkConnectString);
        manager.connect();
      } else if (controllerMode.equalsIgnoreCase(DISTRIBUTED))
      {
        manager = HelixManagerFactory.getZKHelixManager(clusterName, controllerName,
            InstanceType.CONTROLLER_PARTICIPANT, zkConnectString);

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