Package com.linkedin.helix.model

Examples of com.linkedin.helix.model.LiveInstance

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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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    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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    // 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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    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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    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    // ensure node is stopped
    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instanceId));
    if (liveInstance != null)
    {
      throw new HelixException("Can't drop " + instanceId + ", please stop " + instanceId
          + " before drop it");
    }
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    HelixDataAccessor accessor =
        ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
    Builder keyBuilder = accessor.keyBuilder();

    LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
    if (leader != null)
    {
      clusterSummayRecord.setSimpleField("LEADER", leader.getInstanceName());
    }
    else
    {
      clusterSummayRecord.setSimpleField("LEADER", "");
    }
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  public void testMasterXfer()
  {
    System.out.println("START testMasterXfer at " + new Date(System.currentTimeMillis()));

    Map<String, LiveInstance> liveInstances = new HashMap<String, LiveInstance>();
    liveInstances.put("localhost_0", new LiveInstance("localhost_0"));
    liveInstances.put("localhost_1", new LiveInstance("localhost_1"));

    Map<String, String> currentStates = new HashMap<String, String>();
    currentStates.put("localhost_0", "SLAVE");
    currentStates.put("localhost_1", "MASTER");
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  {
    System.out.println("START testMasterXferAfterMasterResume at "
        + new Date(System.currentTimeMillis()));

    Map<String, LiveInstance> liveInstances = new HashMap<String, LiveInstance>();
    liveInstances.put("localhost_0", new LiveInstance("localhost_0"));
    liveInstances.put("localhost_1", new LiveInstance("localhost_1"));

    Map<String, String> currentStates = new HashMap<String, String>();
    currentStates.put("localhost_0", "SLAVE");
    currentStates.put("localhost_1", "SLAVE");
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    // Update data in the live instance node, should trigger another live instance change
    // event
    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    PropertyKey propertyKey =
        helixDataAccessor.keyBuilder().liveInstance(manager.getInstanceName());
    LiveInstance instance = helixDataAccessor.getProperty(propertyKey);

    Map<String, String> map = new TreeMap<String, String>();
    map.put("k1", "v1");
    instance.getRecord().setMapField("test", map);
    Assert.assertTrue(helixDataAccessor.updateProperty(propertyKey, instance),
                      "Failed to update live instance node");

    instances = changeList.poll(1, TimeUnit.SECONDS);
    Assert.assertNotNull(instances, "Expecting a list of live instance");
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  private List<LiveInstance> deepCopy(List<LiveInstance> instances)
  {
    List<LiveInstance> result = new ArrayList<LiveInstance>();
    for (LiveInstance instance : instances)
    {
      result.add(new LiveInstance(instance.getRecord()));
    }
    return result;
  }
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Related Classes of com.linkedin.helix.model.LiveInstance

  • com.linkedin.helix.controller.GenericHelixController
  • com.linkedin.helix.controller.stages.BaseStageTest
  • com.linkedin.helix.controller.stages.ClusterDataCache
  • com.linkedin.helix.controller.stages.TestCompatibilityCheckStage
  • com.linkedin.helix.controller.stages.TestMsgSelectionStage
  • com.linkedin.helix.controller.stages.TestResourceComputationStage
  • com.linkedin.helix.integration.TestDistributedClusterController
  • com.linkedin.helix.integration.TestDistributedCMMain
  • com.linkedin.helix.integration.TestHelixCustomCodeRunner
  • com.linkedin.helix.integration.TestResetPartitionState
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