Examples of HelixDataAccessor

com.linkedin.helix.HelixDataAccessor
Interface used to interact with Helix Data Types like IdealState, Config, LiveInstance, Message, ExternalView etc PropertyKey represent the HelixData type. See {@link Builder} to get more information on building a propertyKey. @author kgopalak
org.apache.helix.HelixDataAccessor
Interface used to interact with Helix Data Types like IdealState, Config, LiveInstance, Message, ExternalView etc PropertyKey represent the HelixData type. See {@link Builder} to get more information on building a propertyKey.

Examples of org.apache.helix.HelixDataAccessor

    LOG.info("START HealthAggregationTask");


    if (_timer == null)
    {
      // Remove all the previous health check values, if any
      HelixDataAccessor accessor = _manager.getHelixDataAccessor();
      List<String> existingHealthRecordNames = accessor.getChildNames(accessor.keyBuilder().healthReports(_manager.getInstanceName()));
      for(String healthReportName : existingHealthRecordNames)
      {
        LOG.info("Removing old healthrecord " + healthReportName);
        accessor.removeProperty(accessor.keyBuilder().healthReport(_manager.getInstanceName(),healthReportName));
      }
      
      _timer = new Timer(true);
      _timer.scheduleAtFixedRate(this, new Random().nextInt(_delay), _period);
    }

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Examples of org.apache.helix.HelixDataAccessor

  }


  @Override
  public void reportHealthReportMessage(ZNRecord healthCheckInfoUpdate)
  {
    HelixDataAccessor accessor = _helixManager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();
//    accessor.setProperty(
//        PropertyType.HEALTHREPORT, healthCheckInfoUpdate, _instanceName,
//        healthCheckInfoUpdate.getId());
    accessor.setProperty(keyBuilder.healthReport(_instanceName, healthCheckInfoUpdate.getId()), 
                         new HealthStat(healthCheckInfoUpdate));


  }

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Examples of org.apache.helix.HelixDataAccessor

          {
            record.setMapFields(partitionReport);
          }
          record.setSimpleField(StatsHolder.TIMESTAMP_NAME, "" + System.currentTimeMillis());
          
          HelixDataAccessor accessor = _helixManager.getHelixDataAccessor();
          Builder keyBuilder = accessor.keyBuilder();
          accessor.setProperty(keyBuilder.healthReport(_instanceName, record.getId()), 
                               new HealthStat(record));


//          _helixManager.getDataAccessor().setProperty(
//              PropertyType.HEALTHREPORT, record, _instanceName, record.getId());
          // reset stats (for now just the partition stats)

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Examples of org.apache.helix.HelixDataAccessor

    String instanceName = (String)getRequest().getAttributes().get("instanceName");
    ZkClient zkClient = (ZkClient)getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    List<String> instances = setupTool.getClusterManagementTool().getInstancesInCluster(clusterName);
    
    HelixDataAccessor accessor = ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
    LiveInstance liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance(instanceName));
    String sessionId = liveInstance.getSessionId();
    
    StringRepresentation representation = new StringRepresentation("");//(ClusterRepresentationUtil.ObjectToJson(instanceConfigs), MediaType.APPLICATION_JSON);
    
    return representation;

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Examples of org.apache.helix.HelixDataAccessor

      
      schedulerMessage.setTgtSessionId("*");
      schedulerMessage.setTgtName("CONTROLLER");
      schedulerMessage.setSrcInstanceType(InstanceType.CONTROLLER);
      
      HelixDataAccessor accessor = ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
      accessor.setProperty(accessor.keyBuilder().controllerMessage(schedulerMessage.getMsgId()), schedulerMessage);
      
      Map<String, String> resultMap = new HashMap<String, String>();
      resultMap.put("StatusUpdatePath", PropertyPathConfig.getPath(PropertyType.STATUSUPDATES_CONTROLLER, clusterName, MessageType.SCHEDULER_MSG.toString(),schedulerMessage.getMsgId()));
      resultMap.put("MessageType", Message.MessageType.SCHEDULER_MSG.toString());
      resultMap.put("MsgId", schedulerMessage.getMsgId());

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Examples of org.apache.helix.HelixDataAccessor

  }


  @Override
  public void enableCluster(String clusterName, boolean enabled)
  {
    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();


    if (enabled)
    {
      accessor.removeProperty(keyBuilder.pause());
    }
    else
    {
      accessor.createProperty(keyBuilder.pause(), new PauseSignal("pause"));
    }
  }

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Examples of org.apache.helix.HelixDataAccessor

      String command = jsonParameters.getCommand();


      if (command.equalsIgnoreCase(ClusterSetup.addIdealState))
      {
        ZNRecord newIdealState = jsonParameters.getExtraParameter(JsonParameters.NEW_IDEAL_STATE);
        HelixDataAccessor accessor =
            ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);


        accessor.setProperty(accessor.keyBuilder().idealStates(resourceName),
                             new IdealState(newIdealState));


      }
      else if (command.equalsIgnoreCase(ClusterSetup.rebalance))
      {

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Examples of org.apache.helix.HelixDataAccessor

      String command = jsonParameters.getCommand();


      if (command.equalsIgnoreCase(ClusterSetup.addStateModelDef))
      {
        ZNRecord newStateModel = jsonParameters.getExtraParameter(JsonParameters.NEW_STATE_MODEL_DEF);
        HelixDataAccessor accessor =
            ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);


        accessor.setProperty(accessor.keyBuilder().stateModelDef(newStateModel.getId()),
                             new StateModelDefinition(newStateModel));
      }
      else
      {
        throw new HelixException("Unsupported command: " + command

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Examples of org.apache.helix.HelixDataAccessor


    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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Examples of org.apache.helix.HelixDataAccessor

    @Override
    public boolean verify()
    {
      try
      {
        HelixDataAccessor accessor =
            new ZKHelixDataAccessor(clusterName,
                                    new ZkBaseDataAccessor<ZNRecord>(zkClient));


        return ClusterStateVerifier.verifyBestPossAndExtView(accessor, errStates);
      }

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