Package com.linkedin.helix.manager.zk

Examples of com.linkedin.helix.manager.zk.ZKHelixDataAccessor.keyBuilder()

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      _logger.warn(error);
      throw new HelixException(error);
    }
    // ensure old instance is down, otherwise fail
    List<String> liveInstanceNames =
        accessor.getChildNames(accessor.keyBuilder().liveInstances());

    if (liveInstanceNames.contains(oldInstanceName))
    {
      String error =
          "Old instance " + oldInstanceName
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    }

    dropInstanceFromCluster(clusterName, oldInstanceName);

    List<IdealState> existingIdealStates =
        accessor.getChildValues(accessor.keyBuilder().idealStates());
    for (IdealState idealState : existingIdealStates)
    {
      swapInstanceInIdealState(idealState, oldInstanceName, newInstanceName);
      accessor.setProperty(accessor.keyBuilder()
                                   .idealStates(idealState.getResourceName()), idealState);
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    List<IdealState> existingIdealStates =
        accessor.getChildValues(accessor.keyBuilder().idealStates());
    for (IdealState idealState : existingIdealStates)
    {
      swapInstanceInIdealState(idealState, oldInstanceName, newInstanceName);
      accessor.setProperty(accessor.keyBuilder()
                                   .idealStates(idealState.getResourceName()), idealState);
    }
  }

  void swapInstanceInIdealState(IdealState idealState,
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    Assert.assertTrue(result);

    // drop alert soon after adding, but leave enough time for alert to fire once
    // Thread.sleep(3000);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    new HealthStatsAggregationTask(cmResult._manager).run();
    String instance = "localhost_12918";
    ZNRecord record = accessor.getProperty(keyBuilder.alertStatus()).getRecord();
    Map<String, Map<String, String>> recMap = record.getMapFields();
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    startAndVerify(clusterName);
   
    // rename partition name TestDB0_0 tp TestDB0_100
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
   
    List<String> prioList = idealState.getRecord().getListFields().remove("TestDB0_0");
    idealState.getRecord().getListFields().put("TestDB0_100", prioList);
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    idealState.setIdealStateMode("CUSTOMIZED");
    idealState.setReplicas("3");
    idealState.setStateModelDefRef("MasterSlave");
   
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    startAndVerify(clusterName);
   
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                            true); // do rebalance
   
    ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    // String idealStatePath = PropertyPathConfig.getPath(PropertyType.IDEALSTATES, clusterName, "TestDB0");
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setBucketSize(1);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    TestHelper.startController(clusterName,
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  {
    ZkClient zkClient = new ZkClient(ZkIntegrationTestBase.ZK_ADDR);
    zkClient.setZkSerializer(new ZNRecordSerializer());
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(CLUSTER_NAME, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    List<ExternalView> extViews = accessor.getChildValues(keyBuilder.externalViews());
    Assert.assertNotNull(extViews);

    for (ExternalView extView : extViews)
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    record.getMapField("constraint5").put("INSTANCE", "localhost_0");
    record.getMapField("constraint5").put("RESOURCE", "TestDB");
    record.getMapField("constraint5").put("CONSTRAINT_VALUE", "3");
    ConstraintItem constraint5 = new ConstraintItem(record.getMapField("constraint5"));

    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.constraint(ConstraintType.MESSAGE_CONSTRAINT.toString()),
                         new ClusterConstraints(record));

    // ClusterConstraints constraint =
    // accessor.getProperty(ClusterConstraints.class,
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  protected String getCurrentLeader(ZkClient zkClient, String clusterName)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
    if (leader == null)
    {
      return null;
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