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

Class org.apache.helix.HelixDataAccessor

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

org.apache.helix.HelixDataAccessor.removeProperty()
Removes the property @param key @return true if removal was successful or node does not exist. false if thenode existed and failed to remove it

      // situations such as register a new message handler factory
      if (message.getMsgType().equalsIgnoreCase(MessageType.NO_OP.toString()))
      {
        LOG.info("Dropping NO-OP message. mid: " + message.getId() + ", from: "
            + message.getMsgSrc());
        accessor.removeProperty(message.getKey(keyBuilder, instanceName));
        continue;
      }


      String tgtSessionId = message.getTgtSessionId();

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        String warningMessage =
            "SessionId does NOT match. expected sessionId: " + sessionId
                + ", tgtSessionId in message: " + tgtSessionId + ", messageId: "
                + message.getMsgId();
        LOG.warn(warningMessage);
        accessor.removeProperty(message.getKey(keyBuilder, instanceName));
        _statusUpdateUtil.logWarning(message,
                                     HelixStateMachineEngine.class,
                                     warningMessage,
                                     accessor);
        continue;

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                                   e,
                                   error,
                                   accessor);


        message.setMsgState(MessageState.UNPROCESSABLE);
        accessor.removeProperty(message.getKey(keyBuilder, instanceName));
        LOG.error("Message cannot be proessed: " + message.getRecord(), e);


        continue;
      }

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        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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      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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