Package org.apache.helix.PropertyKey

Examples of org.apache.helix.PropertyKey.Builder.controllerLeader()

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      LOG.error(
          "Exception when trying to updating leader record in cluster:" + manager.getClusterName()
              + ". Need to check again whether leader node has been created or not", e);
    }

    leader = accessor.getProperty(keyBuilder.controllerLeader());
    if (leader != null) {
      String leaderSessionId = leader.getTypedSessionId().stringify();
      LOG.info("Leader exists for cluster: " + manager.getClusterName() + ", currentLeader: "
          + leader.getInstanceName() + ", leaderSessionId: " + leaderSessionId);
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    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 =
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    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());
    // AssertJUnit.assertNull(election.getLeader());

    System.out.println("END TestDistControllerElection at " + new Date(System.currentTimeMillis()));
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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"));
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    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());
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    // stop current leader in controller cluster
    ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(controllerClusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
    String leaderName = leader.getId();
    int j = Integer.parseInt(leaderName.substring(leaderName.lastIndexOf('_') + 1));
    controllers[j].syncStop();

    // setup the second cluster
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    if (accessor.getChildNames(keyBuilder.liveInstances()).size() > 0) {
      throw new HelixException(
          "There are still live instances in the cluster, shut them down first.");
    }

    if (accessor.getProperty(keyBuilder.controllerLeader()) != null) {
      throw new HelixException("There are still LEADER in the cluster, shut them down first.");
    }

    _zkClient.deleteRecursive(root);
  }
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    // stop controller_0-5
    ZkBaseDataAccessor<ZNRecord> baseAccessor = 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 =
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  protected String getCurrentLeader(ZkClient zkClient, String clusterName) {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

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