Package org.apache.helix

Examples of org.apache.helix.HelixDataAccessor.keyBuilder()

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  {
    // DataAccessor accessor = _manager.getDataAccessor();
    HelixDataAccessor accessor = _manager.getHelixDataAccessor();
   
    // Get all the ZNRecords in the cluster and set them as bind variables
    Builder keyBuilder = accessor.keyBuilder();
//    List<ZNRecord> instanceConfigs = accessor.getChildValues(PropertyType.CONFIGS,
//        ConfigScopeProperty.PARTICIPANT.toString());
   
    List<ZNRecord> instanceConfigs = HelixProperty.convertToList(accessor.getChildValues(keyBuilder.instanceConfigs()));
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    String resource = message.getResourceName();
    String sessionId = message.getTgtSessionId();
    String instanceName = manager.getInstanceName();

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

    int bucketSize = message.getBucketSize();
    ZNRecordBucketizer bucketizer = new ZNRecordBucketizer(bucketSize);

    // Lock the helix manager so that the session id will not change when we update
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      logger.error("Skip internal error " + e.getMessage() + " " + code);
      return;
    }
    HelixManager manager = _notificationContext.getManager();
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();

    String instanceName = manager.getInstanceName();
    String partition = _message.getPartitionName();
    String resourceName = _message.getResourceName();
    CurrentState currentStateDelta = new CurrentState(resourceName);
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  {
    logger.info("START: GenericClusterController.onControllerChange()");
    HelixDataAccessor accessor = changeContext.getManager().getHelixDataAccessor();

    // double check if this controller is the leader
    Builder keyBuilder = accessor.keyBuilder();
    LiveInstance leader =
        accessor.getProperty(keyBuilder.controllerLeader());
    if (leader == null)
    {
      logger.warn("No controller exists for cluster:"
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      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) );
        getResponse().setEntity(getStateModelsRepresentation());
      }
      else
      {
          throw new HelixException("Unsupported command: " + command
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    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));
      }
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      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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  @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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            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());
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    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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