Package org.apache.helix.model

Examples of org.apache.helix.model.LiveInstance

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

    LiveInstance liveInstance = accessor.getProperty(keyBuilder.controllerLeader());
    AssertJUnit.assertEquals(controllerName, liveInstance.getInstanceName());

//    path = PropertyPathConfig.getPath(PropertyType.LEADER, clusterName);
//    ZNRecord leaderRecord = _gZkClient.<ZNRecord> readData(path);
//    AssertJUnit.assertEquals(controllerName, leaderRecord.getSimpleField("LEADER"));
    // AssertJUnit.assertNotNull(election.getController());
    // AssertJUnit.assertNotNull(election.getLeader());

    manager = new MockZKHelixManager(clusterName, "controller_1",
                               InstanceType.CONTROLLER_PARTICIPANT,
                               _gZkClient);
    election = new DistClusterControllerElection(ZK_ADDR);
    context = new NotificationContext(manager);
    context.setType(NotificationContext.Type.CALLBACK);
    election.onControllerChange(context);

    liveInstance = accessor.getProperty(keyBuilder.controllerLeader());
    AssertJUnit.assertEquals(controllerName, liveInstance.getInstanceName());

//    leaderRecord = _gZkClient.<ZNRecord> readData(path);
//    AssertJUnit.assertEquals(controllerName, leaderRecord.getSimpleField("LEADER"));
    // AssertJUnit.assertNull(election.getController());
    // AssertJUnit.assertNull(election.getLeader());
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  protected void setupLiveInstances(int numLiveInstances)
  {
    // setup liveInstances
    for (int i = 0; i < numLiveInstances; i++)
    {
      LiveInstance liveInstance = new LiveInstance("localhost_" + i);
      liveInstance.setSessionId("session_" + i);
     
      Builder keyBuilder = accessor.keyBuilder();
      accessor.setProperty(keyBuilder.liveInstance("localhost_" + i), liveInstance);
    }
  }
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    // add fake liveInstance
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = new Builder(clusterName);
    LiveInstance liveInstance = new LiveInstance("localhost_12918");
    liveInstance.setSessionId("session_0");
    liveInstance.setHelixVersion("version_0");
    accessor.setProperty(keyBuilder.liveInstance("localhost_12918"), liveInstance);

    // drop without stop the process, should throw exception
    try
    {
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      idealStates.add(idealState);
    }
    // ADD A LIVE INSTANCE WITH A CURRENT STATE THAT CONTAINS RESOURCE WHICH NO
    // LONGER EXISTS IN IDEALSTATE
    String instanceName = "localhost_" + 3;
    LiveInstance liveInstance = new LiveInstance(instanceName);
    String sessionId = UUID.randomUUID().toString();
    liveInstance.setSessionId(sessionId);
   
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.liveInstance(instanceName),
                                          liveInstance);
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    accessor.setProperty(keyBuilder.message("localhost_8900", message.getId()), message);
    Thread.sleep(500);
    AssertJUnit.assertTrue(testListener.messageChangeReceived);

    // dummyRecord = new ZNRecord("localhost_9801");
    LiveInstance liveInstance = new LiveInstance("localhost_9801");
    liveInstance.setSessionId(UUID.randomUUID().toString());
    liveInstance.setHelixVersion(UUID.randomUUID().toString());
    accessor.setProperty(keyBuilder.liveInstance("localhost_9801"), liveInstance);
    Thread.sleep(500);
    AssertJUnit.assertTrue(testListener.liveInstanceChangeReceived);
    testListener.Reset();
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  }

  // verify leader node
  BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
  HelixDataAccessor accessor = new ZKHelixDataAccessor(grandClusterName, baseAccessor);
  LiveInstance controllerLeader = accessor.getProperty(accessor.keyBuilder()
          .controllerLeader());
  Assert.assertNotNull(controllerLeader,
          "controllerLeader should be either controller_9000 or controller_9001");
  Assert.assertTrue(controllerLeader.getInstanceName().startsWith("controller_900"));

  accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
  LiveInstance leader = accessor.getProperty(accessor.keyBuilder().controllerLeader());
  for (int i = 0; i < 20; i++) {
      if (leader != null) {
    break;
      }
      Thread.sleep(200);
      leader = accessor.getProperty(accessor.keyBuilder().controllerLeader());
  }
  Assert.assertTrue(leader.getInstanceName().startsWith("controller_900"));

  boolean verifyResult = ClusterStateVerifier
          .verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR, clusterName));
  Assert.assertTrue(verifyResult);
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    record = new ZNRecord("localhost_0");
    if (participantVersion != null)
    {
      record.setSimpleField(LiveInstanceProperty.HELIX_VERSION.toString(), participantVersion);
    }
    LiveInstance liveInstance = new LiveInstance(record);
    liveInstance.setSessionId("session_0");
    accessor.setProperty(keyBuilder.liveInstance("localhost_0"), liveInstance);

    if (controllerVersion != null)
    {
      ((Mocks.MockManager)manager).setVersion(controllerVersion);
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        new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(controllerClusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    for (int i = 0; i < n; i++)
    {
      LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
      String leaderName = leader.getId();
      int j = Integer.parseInt(leaderName.substring(leaderName.lastIndexOf('_') + 1));
      controllers[j].syncStop();
     
      result =
          ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
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  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
    if (leader == null)
    {
      return null;
    }
    return leader.getInstanceName();
  }
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    ZkClient zkClient = new ZkClient(ZK_ADDR);
    zkClient.setZkSerializer(new ZNRecordSerializer());
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(_clusterName, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    LiveInstance newLiveIns = new LiveInstance("newLiveInstance");
    newLiveIns.setHelixVersion("0.0.0");
    newLiveIns.setSessionId("randomSessionId");
    accessor.setProperty(keyBuilder.liveInstance("newLiveInstance"), newLiveIns);

    Thread.sleep(1000);  // wait for the CALLBACK type callback to finish
    Assert.assertTrue(_callback._isCallbackInvoked);
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Related Classes of org.apache.helix.model.LiveInstance

  • org.apache.helix.api.accessor.ClusterAccessor
  • org.apache.helix.api.accessor.ControllerAccessor
  • org.apache.helix.api.accessor.ParticipantAccessor
  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.stages.BaseStageTest
  • org.apache.helix.controller.stages.ClusterDataCache
  • org.apache.helix.controller.stages.TaskAssignmentStage
  • org.apache.helix.controller.stages.TestCompatibilityCheckStage
  • org.apache.helix.controller.stages.TestMsgSelectionStage
  • org.apache.helix.controller.stages.TestResourceComputationStage
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