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

Class org.apache.helix.HelixDataAccessor

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

org.apache.helix.HelixDataAccessor.createProperty()
Create a helix property only if it does not exist. @param key @param value @return true if creation was successful. False if already exists or if itfailed to create

    Builder keyBuilder = accessor.keyBuilder();


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


  @Override
  public void resetPartition(String clusterName, String instanceName, String resourceName,

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    Builder keyBuilder = accessor.keyBuilder();


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


  @Override
  public void resetPartition(String clusterName, String instanceName, String resourceName,

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    LiveInstance leader = new LiveInstance(manager.getInstanceName());
    try {
      leader.setLiveInstance(ManagementFactory.getRuntimeMXBean().getName());
      leader.setSessionId(manager.getSessionId());
      leader.setHelixVersion(manager.getVersion());
      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");
      }

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    schedulerMessage.getRecord().setMapField("MessageTemplate", msg.getRecord().getSimpleFields());
    schedulerMessage.getRecord().setSimpleField("TIMEOUT", "-1");


    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();
    helixDataAccessor.createProperty(keyBuilder.controllerMessage(schedulerMessage.getMsgId()),
        schedulerMessage);


    for (int i = 0; i < 30; i++) {
      Thread.sleep(2000);
      if (_PARTITIONS == _factory._results.size()) {

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    schedulerMessage.getRecord().setMapField("MessageTemplate", msg.getRecord().getSimpleFields());
    schedulerMessage.getRecord().setSimpleField("TIMEOUT", "-1");


    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();
    helixDataAccessor.createProperty(keyBuilder.controllerMessage(schedulerMessage.getMsgId()),
        schedulerMessage);


    for (int i = 0; i < 30; i++) {
      Thread.sleep(2000);
      if (_PARTITIONS == _factory._results.size()) {

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    if (participant != null && participant.isAlive()) {
      Message message = new Message(MessageType.SHUTDOWN, UUID.randomUUID().toString());
      message.setTgtName(participant.getId().toString());
      message.setTgtSessionId(participant.getLiveInstance().getSessionId());
      message.setMsgId(message.getId());
      dataAccessor.createProperty(
          dataAccessor.keyBuilder().message(participant.getId().toString(), message.getId()),
          message);
      do {
        participant = clusterAccessor.readParticipant(participantId);
        Thread.sleep(1000);

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              if (participant.isAlive()) {
                Message message = new Message(MessageType.SHUTDOWN, UUID.randomUUID().toString());
                message.setTgtName(participant.getId().toString());
                message.setTgtSessionId(participant.getLiveInstance().getSessionId());
                message.setMsgId(message.getId());
                accessor.createProperty(
                    keyBuilder.message(participant.getId().toString(), message.getId()), message);
              }
            }


            @Override

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    String queueName = queue.getName();
    HelixDataAccessor accessor = _manager.getHelixDataAccessor();
    HelixProperty property = new HelixProperty(queueName);
    property.getRecord().getSimpleFields().putAll(queue.getResourceConfigMap());
    boolean created =
        accessor.createProperty(accessor.keyBuilder().resourceConfig(queueName), property);
    if (!created) {
      throw new IllegalArgumentException("Queue " + queueName + " already exists!");
    }
  }

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          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");
      }

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    schedulerMessage.getRecord().setMapField("MessageTemplate", msg.getRecord().getSimpleFields());
    schedulerMessage.getRecord().setSimpleField("TIMEOUT", "-1");


    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();
    helixDataAccessor.createProperty(keyBuilder.controllerMessage(schedulerMessage.getMsgId()),
        schedulerMessage);


    for (int i = 0; i < 30; i++) {
      Thread.sleep(2000);
      if (_PARTITIONS == _factory._results.size()) {

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