Package org.apache.helix.PropertyKey

Examples of org.apache.helix.PropertyKey.Builder

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    admin.addInstance(className, instanceConfig);

    // oversized data should not create any new data on zk
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(className, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    IdealState idealState = new IdealState("currentState");
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setIdealStateMode("AUTO");
    idealState.setNumPartitions(10);

    for (int i = 0; i < 1024; i++)
    {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    boolean succeed = accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
    Assert.assertFalse(succeed);
    HelixProperty property =
        accessor.getProperty(keyBuilder.stateTransitionStatus("localhost_12918",
                                                              "session_1",
                                                              "partition_1"));
    Assert.assertNull(property);

    // legal sized data gets written to zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setIdealStateMode("AUTO");
    idealState.setNumPartitions(10);

    for (int i = 0; i < 900; i++)
    {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    succeed = accessor.setProperty(keyBuilder.idealStates("TestDB1"), idealState);
    Assert.assertTrue(succeed);
    record =
        accessor.getProperty(keyBuilder.idealStates("TestDB1")).getRecord();
    Assert.assertTrue(serializer.serialize(record).length > 900 * 1024);

    // oversized data should not update existing data on zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setIdealStateMode("AUTO");
    idealState.setNumPartitions(10);
    for (int i = 900; i < 1024; i++)
    {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    // System.out.println("record: " + idealState.getRecord());
    succeed =
        accessor.updateProperty(keyBuilder.idealStates("TestDB1"), idealState);
    Assert.assertFalse(succeed);
    recordNew =
        accessor.getProperty(keyBuilder.idealStates("TestDB1")).getRecord();
    arr = serializer.serialize(record);
    arrNew = serializer.serialize(recordNew);
    Assert.assertTrue(Arrays.equals(arr, arrNew));

    System.out.println("END testZNRecordSizeLimitUseZNRecordSerializer at "
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    admin.addInstance(className, instanceConfig);

    // oversized data should not create any new data on zk
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(className, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

//    ZNRecord statusUpdates = new ZNRecord("statusUpdates");
    IdealState idealState = new IdealState("currentState");
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setIdealStateMode("AUTO");
    idealState.setNumPartitions(10);

    for (int i = 0; i < 1024; i++)
    {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    boolean succeed =
        accessor.setProperty(keyBuilder.idealStates("TestDB_1"),
                                                              idealState);
    Assert.assertFalse(succeed);
    HelixProperty property =
        accessor.getProperty(keyBuilder.idealStates("TestDB_1"));
    Assert.assertNull(property);

    // legal sized data gets written to zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setIdealStateMode("AUTO");
    idealState.setNumPartitions(10);

    for (int i = 0; i < 900; i++)
    {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    succeed =
        accessor.setProperty(keyBuilder.idealStates("TestDB_2"),
                                                              idealState);
    Assert.assertTrue(succeed);
    record =
        accessor.getProperty(keyBuilder.idealStates("TestDB_2")).getRecord();
    Assert.assertTrue(serializer.serialize(record).length > 900 * 1024);

    // oversized data should not update existing data on zk
    idealState.getRecord().getSimpleFields().clear();
    idealState.setStateModelDefRef("MasterSlave");
    idealState.setIdealStateMode("AUTO");
    idealState.setNumPartitions(10);

    for (int i = 900; i < 1024; i++)
    {
      idealState.getRecord().setSimpleField(i + "", bufStr);
    }
    // System.out.println("record: " + idealState.getRecord());
    succeed =
        accessor.updateProperty(keyBuilder.idealStates("TestDB_2"),
                                                                 idealState);
    Assert.assertFalse(succeed);
    recordNew =
        accessor.getProperty(keyBuilder.idealStates("TestDB_2")).getRecord();
    arr = serializer.serialize(record);
    arrNew = serializer.serialize(recordNew);
    Assert.assertTrue(Arrays.equals(arr, arrNew));

    System.out.println("END testZNRecordSizeLimitUseZNRecordStreamingSerializer at "
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      // model

      zkClient = new ZkClient(_zkAddr, ZkClient.DEFAULT_CONNECTION_TIMEOUT);
      zkClient.setZkSerializer(new ZNRecordSerializer());
      HelixDataAccessor accessor = new ZKHelixDataAccessor(_manager.getClusterName(), new ZkBaseDataAccessor(zkClient));
      Builder keyBuilder = accessor.keyBuilder();

      IdealState idealState = new IdealState(_resourceName);
      idealState.setIdealStateMode(IdealStateModeProperty.AUTO.toString());
      idealState.setReplicas(StateModelToken.ANY_LIVEINSTANCE.toString());
      idealState.setNumPartitions(1);
      idealState.setStateModelDefRef(LEADER_STANDBY);
      idealState.setStateModelFactoryName(_resourceName);
      List<String> prefList = new ArrayList<String>(Arrays.asList(StateModelToken.ANY_LIVEINSTANCE
          .toString()));
      idealState.getRecord().setListField(_resourceName + "_0", prefList);

      List<String> idealStates = accessor.getChildNames(keyBuilder.idealStates());
      while (idealStates == null || !idealStates.contains(_resourceName))
      {
        accessor.setProperty(keyBuilder.idealStates(_resourceName), idealState);
        idealStates = accessor.getChildNames(keyBuilder.idealStates());
      }

      LOG.info("Set idealState for participantLeader:" + _resourceName + ", idealState:"
          + idealState);
    } finally
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    }

//    DataAccessor accessor = manager.getDataAccessor();
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
//    boolean retVal = accessor.setProperty(PropertyType.PERSISTENTSTATS, record);
    Builder keyBuilder = accessor.keyBuilder();
    boolean retVal = accessor.setProperty(keyBuilder.persistantStat(), new PersistentStats(record));
    if (retVal == false)
    {
      logger.error("attempt to persist derived stats failed");
    }
  }
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  }

  public static String parseResourceName(String actualStatName, HelixManager manager)
  {
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    Builder kb = accessor.keyBuilder();
    List<IdealState> idealStates = accessor.getChildValues(kb.idealStates());
    for (IdealState idealState : idealStates)
    {
      String resourceName = idealState.getResourceName();
      if(actualStatName.contains("=" + resourceName + ".") || actualStatName.contains("=" + resourceName + ";"))
      {
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  try {
      if (changeContext.getType().equals(NotificationContext.Type.INIT)
        || changeContext.getType().equals(NotificationContext.Type.CALLBACK)) {
    // DataAccessor dataAccessor = manager.getDataAccessor();
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();

    while (accessor.getProperty(keyBuilder.controllerLeader()) == null) {
        boolean success = tryUpdateController(manager);
        if (success) {
      updateHistory(manager);
      if (type == InstanceType.CONTROLLER) {
          HelixControllerMain.addListenersToController(manager, _controller);
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  }

  public static String parseInstanceName(String actualStatName, HelixManager manager)
  {
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    Builder kb = accessor.keyBuilder();
    List<LiveInstance> liveInstances = accessor.getChildValues(kb.liveInstances());
    for (LiveInstance instance : liveInstances)
    {
      String instanceName = instance.getInstanceName();
      if(actualStatName.startsWith(instanceName))
      {
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      delta.putAll(_alertActionTaken);
      SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd-hh:mm:ss:SSS");
      String date = dateFormat.format(new Date());

      HelixDataAccessor accessor = manager.getHelixDataAccessor();
      Builder keyBuilder = accessor.keyBuilder();

      HelixProperty property = accessor.getProperty(keyBuilder.alertHistory());
      ZNRecord alertFiredHistory;
      if(property == null)
      {
        alertFiredHistory = new ZNRecord(PropertyType.ALERT_HISTORY.toString());
      }
      else
      {
        alertFiredHistory = property.getRecord();
      }
      while(alertFiredHistory.getMapFields().size() >= ALERT_HISTORY_SIZE)
      {
        // ZNRecord uses TreeMap which is sorted ascending internally
        String firstKey = (String)(alertFiredHistory.getMapFields().keySet().toArray()[0]);
        alertFiredHistory.getMapFields().remove(firstKey);
      }
      alertFiredHistory.setMapField(date, delta);
//      manager.getDataAccessor().setProperty(PropertyType.ALERT_HISTORY, alertFiredHistory);
      accessor.setProperty(keyBuilder.alertHistory(), new AlertHistory(alertFiredHistory));
      _alertBeanCollection.setAlertHistory(alertFiredHistory);
    }
  }
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    }

    private boolean tryUpdateController(HelixManager manager) {
  // DataAccessor dataAccessor = manager.getDataAccessor();
  HelixDataAccessor accessor = manager.getHelixDataAccessor();
  Builder keyBuilder = accessor.keyBuilder();

  LiveInstance leader = new LiveInstance(manager.getInstanceName());
  try {
      leader.setLiveInstance(ManagementFactory.getRuntimeMXBean().getName());
      // TODO: this session id is not the leader's session id in
      // distributed mode
      leader.setSessionId(manager.getSessionId());
      leader.setHelixVersion(manager.getVersion());
      if (ZKPropertyTransferServer.getInstance() != null) {
    String zkPropertyTransferServiceUrl = ZKPropertyTransferServer.getInstance()
            .getWebserviceUrl();
    if (zkPropertyTransferServiceUrl != null) {
        leader.setWebserviceUrl(zkPropertyTransferServiceUrl);
    }
      } else {
    LOG.warn("ZKPropertyTransferServer instnace is null");
      }
      boolean success = accessor.createProperty(keyBuilder.controllerLeader(), leader);
      if (success) {
    return true;
      } else {
    LOG.info("Unable to become leader probably because some other controller becames the leader");
      }
  } catch (Exception e) {
      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.getSessionId();
      LOG.info("Leader exists for cluster: " + manager.getClusterName() + ", currentLeader: "
        + leader.getInstanceName() + ", leaderSessionId: " + leaderSessionId);
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  return false;
    }

    private void updateHistory(HelixManager manager) {
  HelixDataAccessor accessor = manager.getHelixDataAccessor();
  Builder keyBuilder = accessor.keyBuilder();

  LeaderHistory history = accessor.getProperty(keyBuilder.controllerLeaderHistory());
  if (history == null) {
      history = new LeaderHistory(PropertyType.HISTORY.toString());
  }
  history.updateHistory(manager.getClusterName(), manager.getInstanceName());
  accessor.setProperty(keyBuilder.controllerLeaderHistory(), history);
    }
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Related Classes of org.apache.helix.PropertyKey.Builder

  • org.apache.helix.alerts.TestAddAlerts
  • org.apache.helix.alerts.TestAddPersistentStats
  • org.apache.helix.alerts.TestArrivingParticipantStats
  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.stages.BaseStageTest
  • org.apache.helix.controller.stages.ClusterDataCache
  • org.apache.helix.controller.stages.ExternalViewComputeStage
  • org.apache.helix.controller.stages.StatsAggregationStage
  • org.apache.helix.controller.stages.TaskAssignmentStage
  • org.apache.helix.controller.stages.TestCompatibilityCheckStage
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