Package com.linkedin.helix.manager.zk

Examples of com.linkedin.helix.manager.zk.ZkBaseDataAccessor

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  public void testParticipantStatusUpdates() throws Exception
  {
    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);
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    String clusterName = "CLUSTER_" + _className + "_basic";
    System.out.println("START " + clusterName + " at "
        + new Date(System.currentTimeMillis()));

    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    HelixManager manager = new DummyClusterManager(clusterName, accessor);

    // ideal state: node0 is MASTER, node1 is SLAVE
    // replica=2 means 1 master and 1 slave
    setupIdealState(clusterName, new int[] { 0, 1 }, new String[] { "TestDB" }, 1, 2);
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    String clusterName = "CLUSTER_" + _className + "_constraints";
    System.out.println("START " + clusterName + " at "
        + new Date(System.currentTimeMillis()));

    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    HelixManager manager = new DummyClusterManager(clusterName, accessor);

    // ideal state: node0 is MASTER, node1 is SLAVE
    // replica=2 means 1 master and 1 slave
    setupIdealState(clusterName, new int[] { 0, 1 }, new String[] { "TestDB" }, 1, 2);
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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)
    {
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                            String clusterName,
                            String instance,
                            boolean wantEnabled)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instance));
    AssertJUnit.assertEquals(wantEnabled, config.getInstanceEnabled());
  }
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                                String clusterName,
                                String resource,
                                int repl)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    IdealState idealState = accessor.getProperty(keyBuilder.idealStates(resource));
    for (String partitionName : idealState.getPartitionSet())
    {
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  }

  protected void setupStateModel(String clusterName)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

    StateModelConfigGenerator generator = new StateModelConfigGenerator();
    StateModelDefinition masterSlave =
        new StateModelDefinition(generator.generateConfigForMasterSlave());
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                                             String[] resources,
                                             int partitions,
                                             int replicas)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

    List<IdealState> idealStates = new ArrayList<IdealState>();
    List<String> instances = new ArrayList<String>();
    for (int i : nodes)
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  }

  protected void setupLiveInstances(String clusterName, int[] liveInstances)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

    for (int i = 0; i < liveInstances.length; i++)
    {
      String instance = "localhost_" + liveInstances[i];
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    record.getMapField("constraint5").put("RESOURCE", "TestDB");
    record.getMapField("constraint5").put("CONSTRAINT_VALUE", "5");
    ConstraintItem constraint5 = new ConstraintItem(record.getMapField("constraint5"));

    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

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