Package com.linkedin.helix

Examples of com.linkedin.helix.HelixDataAccessor

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    @Override
    public boolean verify()
    {
      try
      {
        HelixDataAccessor accessor = new FileHelixDataAccessor(fileStore, clusterName);

        return ClusterStateVerifier.verifyBestPossAndExtView(accessor, errStates);
      }
      catch (Exception e)
      {
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    schedulerMessage.getRecord().setSimpleField("Criteria", crString);
    schedulerMessage.getRecord().setMapField("MessageTemplate",
        msg.getRecord().getSimpleFields());
    schedulerMessage.getRecord().setSimpleField("TIMEOUT", "-1");

    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();
    PropertyKey controllerMessageKey = keyBuilder
        .controllerMessage(schedulerMessage.getMsgId());
    helixDataAccessor.setProperty(controllerMessageKey, schedulerMessage);

    Thread.sleep(3000);

    Assert.assertEquals(0, factory._results.size());
    PropertyKey controllerTaskStatus = keyBuilder.controllerTaskStatus(
        MessageType.SCHEDULER_MSG.toString(), schedulerMessage.getMsgId());
    ZNRecord statusUpdate = helixDataAccessor.getProperty(controllerTaskStatus)
        .getRecord();
    Assert.assertTrue(statusUpdate.getMapField("SentMessageCount")
        .get("MessageCount").equals("0"));
    int count = 0;
    for (Set<String> val : factory._results.values())
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    ErrorCode code = ErrorCode.ERROR;

    long start = System.currentTimeMillis();
    logger.info("msg:" + _message.getMsgId() + " handling task begin, at: "
        + start);
    HelixDataAccessor accessor = _manager.getHelixDataAccessor();
    _statusUpdateUtil.logInfo(_message,
                              HelixTask.class,
                              "Message handling task begin execute",
                              accessor);
    _message.setExecuteStartTimeStamp(new Date().getTime());
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    List<String> models =
        setupTool.getClusterManagementTool().getStateModelDefs(clusterName);
    clusterSummayRecord.setListField("stateModelDefs", models);

    HelixDataAccessor accessor =
        ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
    Builder keyBuilder = accessor.keyBuilder();

    LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
    if (leader != null)
    {
      clusterSummayRecord.setSimpleField("LEADER", leader.getInstanceName());
    }
    else
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    _startCMResultMap.put(controllerName, startResult);
    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR,
                                                                              CLUSTER_NAME));
    Assert.assertTrue(result);
    HelixDataAccessor accessor = participants[0].getManager().getHelixDataAccessor();
   
    Builder kb = accessor.keyBuilder();
    ExternalView ev = accessor.getProperty(kb.externalView(TEST_DB));
    for(String p : idealState.getPartitionSet())
    {
      String idealMaster = idealState.getPreferenceList(p).get(0);
      Assert.assertTrue(ev.getStateMap(p).get(idealMaster).equals("ERROR"));
     
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        if (correlationId != null)
        {
          tempMessage.setCorrelationId(correlationId);
        }

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

        if (receiverType == InstanceType.CONTROLLER)
        {
          // _manager.getDataAccessor().setProperty(PropertyType.MESSAGES_CONTROLLER,
          // tempMessage,
          // tempMessage.getId());
          accessor.setProperty(keyBuilder.controllerMessage(tempMessage.getId()),
                               tempMessage);
        }

        if (receiverType == InstanceType.PARTICIPANT)
        {
          accessor.setProperty(keyBuilder.message(tempMessage.getTgtName(),
                                                  tempMessage.getId()),
                               tempMessage);
        }
      }
    }
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      if (!matchedList.isEmpty())
      {
        Map<String, String> sessionIdMap = new HashMap<String, String>();
        if (recipientCriteria.isSessionSpecific())
        {
          HelixDataAccessor accessor = _manager.getHelixDataAccessor();
          Builder keyBuilder = accessor.keyBuilder();

          List<LiveInstance> liveInstances =
              accessor.getChildValues(keyBuilder.liveInstances());

          for (LiveInstance liveInstance : liveInstances)
          {
            sessionIdMap.put(liveInstance.getInstanceName(), liveInstance.getSessionId());
          }
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      try
      {
        Message nopMsg = new Message(MessageType.NO_OP, UUID.randomUUID().toString());
        nopMsg.setSrcName(_manager.getInstanceName());

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

        if (_manager.getInstanceType() == InstanceType.CONTROLLER
            || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
        {
          nopMsg.setTgtName("Controller");
          accessor.setProperty(keyBuilder.controllerMessage(nopMsg.getId()), nopMsg);
        }

        if (_manager.getInstanceType() == InstanceType.PARTICIPANT
            || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
        {
          nopMsg.setTgtName(_manager.getInstanceName());
          accessor.setProperty(keyBuilder.message(nopMsg.getTgtName(), nopMsg.getId()),
                               nopMsg);
        }
      }
      catch (Exception e)
      {
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    Assert.assertNotNull(instances, "Expecting a list of live instance");
    Assert.assertEquals(instances.size(), 1, "Expecting one live instance");
    Assert.assertEquals(instances.get(0).getInstanceName(), manager.getInstanceName());
    // Update data in the live instance node, should trigger another live instance change
    // event
    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    PropertyKey propertyKey =
        helixDataAccessor.keyBuilder().liveInstance(manager.getInstanceName());
    LiveInstance instance = helixDataAccessor.getProperty(propertyKey);

    Map<String, String> map = new TreeMap<String, String>();
    map.put("k1", "v1");
    instance.getRecord().setMapField("test", map);
    Assert.assertTrue(helixDataAccessor.updateProperty(propertyKey, instance),
                      "Failed to update live instance node");

    instances = changeList.poll(1, TimeUnit.SECONDS);
    Assert.assertNotNull(instances, "Expecting a list of live instance");
    Assert.assertEquals(instances.get(0).getRecord().getMapField("test"),
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  {

    // kill 1 node

    String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + 3);
    HelixDataAccessor _accessor = _startCMResultMap.get(instanceName)._manager.getHelixDataAccessor();
    ExternalView ev = _accessor.getProperty(_accessor.keyBuilder().externalView(TEST_DB));

    for(int i = 0; i < 3; i++)
    {
      String partitionName = TEST_DB + "_" + i;
      List<String> list = new ArrayList<String>();
      list.add(partitionName);
      String host = (String)(ev.getStateMap(partitionName).keySet().toArray()[0]);
      _startCMResultMap.get(instanceName)._manager.getClusterManagmentTool().enablePartition(false, CLUSTER_NAME, host, TEST_DB, list);
    }

    Thread.sleep(10000);

    ev = _accessor.getProperty(_accessor.keyBuilder().externalView(TEST_DB));
    for(int i = 0; i < 3; i++)
    {
      String partitionName = TEST_DB + "_" + i;
      List<String> list = new ArrayList<String>();
      list.add(partitionName);
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Related Classes of com.linkedin.helix.HelixDataAccessor

  • com.linkedin.helix.alerts.TestAddAlerts
  • com.linkedin.helix.alerts.TestAddPersistentStats
  • com.linkedin.helix.alerts.TestArrivingParticipantStats
  • com.linkedin.helix.controller.GenericHelixController
  • com.linkedin.helix.controller.stages.ExternalViewComputeStage
  • com.linkedin.helix.controller.stages.ReadClusterDataStage
  • com.linkedin.helix.controller.stages.ReadHealthDataStage
  • com.linkedin.helix.controller.stages.StatsAggregationStage
  • com.linkedin.helix.controller.stages.TaskAssignmentStage
  • com.linkedin.helix.controller.stages.TestMessageThrottleStage
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