Package org.apache.helix.manager.zk

Examples of org.apache.helix.manager.zk.ZKHelixDataAccessor.keyBuilder()

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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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  {
    // clear status update for error partition so verify() will not fail on old
    // errors
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();

    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instance));
    accessor.removeProperty(keyBuilder.stateTransitionStatus(instance,
                                                             liveInstance.getSessionId(),
                                                             resource,
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                            "MasterSlave",
                            true); // do rebalance
   
    // enable group message
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setGroupMessageMode(true);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    // registry a message listener so we know how many message generated
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      participants[i].syncStop();
    }
   
    // enable group message
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setGroupMessageMode(true);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    // registry a message listener so we know how many message generated
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    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));

    record =
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    record.getMapField("constraint2").put("CONSTRAINT_VALUE", "2");
    ConstraintItem constraint2 = new ConstraintItem(record.getMapField("constraint2"));

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

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

    record =
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        ClusterStateVerifier.verifyByZkCallback(new ExternalViewBalancedVerifier(_gZkClient,
            CLUSTER_NAME, db2));
    Assert.assertTrue(result);
    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(CLUSTER_NAME, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();
    ExternalView ev = accessor.getProperty(keyBuilder.externalView(db2));
    Set<String> instancesSet = new HashSet<String>();
    for (String partitionName : ev.getRecord().getMapFields().keySet()) {
      Map<String, String> assignmentMap = ev.getRecord().getMapField(partitionName);
      for (String instance : assignmentMap.keySet()) {
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    @Override
    public boolean verify() {
      HelixDataAccessor accessor =
          new ZKHelixDataAccessor(_clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
      Builder keyBuilder = accessor.keyBuilder();
      int numberOfPartitions =
          accessor.getProperty(keyBuilder.idealStates(_resourceName)).getRecord().getListFields()
              .size();
      ClusterDataCache cache = new ClusterDataCache();
      cache.refresh(accessor);
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