Examples of org.apache.helix.PropertyKey.Builder.currentState()

Class org.apache.helix.PropertyKey.Builder

Examples of org.apache.helix.PropertyKey.Builder.currentState()

org.apache.helix.PropertyKey.Builder.currentState()

      if (!message.isControlerMsg()
          && message.getMsgType().equals(Message.MessageType.STATE_TRANSITION.toString())) {
        String resourceName = message.getResourceName();
        if (!curResourceNames.contains(resourceName) && !createCurStateNames.contains(resourceName)) {
          createCurStateNames.add(resourceName);
          createCurStateKeys.add(keyBuilder.currentState(instanceName, sessionId, resourceName));


          CurrentState metaCurState = new CurrentState(resourceName);
          metaCurState.setBucketSize(message.getBucketSize());
          metaCurState.setStateModelDefRef(message.getStateModelDef());
          metaCurState.setSessionId(sessionId);

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      // get resource name from partition key: "PARTICIPANT_LEADER_XXX_0"
      String resourceName = _partitionKey.substring(0, _partitionKey.lastIndexOf('_'));


      CurrentState curState =
          accessor.getProperty(keyBuilder.currentState(instance, sessionId, resourceName));
      if (curState == null) {
        return;
      }


      String state = curState.getState(_partitionKey);

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    }


    try {
      // Update the ZK current state of the node
      PropertyKey key =
          keyBuilder.currentState(instanceName, sessionId, resource,
              bucketizer.getBucketName(partitionKey));
      if (_message.getAttribute(Attributes.PARENT_MSG_ID) == null) {
        // normal message
        accessor.updateProperty(key, _currentStateDelta);
      } else {

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        // if transit from ERROR state, disable the partition
        if (_message.getFromState().equalsIgnoreCase(HelixDefinedState.ERROR.toString())) {
          disablePartition();
        }
        accessor.updateProperty(
            keyBuilder.currentState(instanceName, _message.getTgtSessionId(), resourceName),
            currentStateDelta);
      }
    } finally {
      StateTransitionError error = new StateTransitionError(type, code, e);
      _stateModel.rollbackOnError(_message, _notificationContext, error);

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    }


    // check partition is in ERROR state
    String sessionId = liveInstance.getSessionId();
    CurrentState curState =
        accessor.getProperty(keyBuilder.currentState(instanceName, sessionId, resourceName));
    for (String partitionName : resetPartitionNames) {
      if (!curState.getState(partitionName).equals(HelixDefinedState.ERROR.toString())) {
        throw new HelixException("Can't reset state for " + resourceName + "/" + partitionNames
            + " on " + instanceName + ", because not all " + partitionNames + " are in ERROR state");
      }

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      LiveInstance liveInstance = _liveInstanceMap.get(instanceName);
      String sessionId = liveInstance.getSessionId();
      List<String> currentStateNames =
          accessor.getChildNames(keyBuilder.currentStates(instanceName, sessionId));
      for (String currentStateName : currentStateNames) {
        currentStateKeys.add(keyBuilder.currentState(instanceName, sessionId, currentStateName));
      }


      // ensure an empty current state map for all live instances and sessions
      Map<String, Map<String, CurrentState>> instanceCurStateMap = allCurStateMap.get(instanceName);
      if (instanceCurStateMap == null) {

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            accessor.getChildNames(keyBuilder.sessions(instanceName));


        for (String sessionId : sessionIds)
        {
          CurrentState curState =
              accessor.getProperty(keyBuilder.currentState(instanceName,
                                                           sessionId,
                                                           resourceName));


          if (curState != null && curState.getRecord().getMapFields().size() != 0)
          {

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        String resourceName = message.getResourceName();
        if (!curResourceNames.contains(resourceName)
            && !createCurStateNames.contains(resourceName))
        {
          createCurStateNames.add(resourceName);
          createCurStateKeys.add(keyBuilder.currentState(instanceName,
                                                         sessionId,
                                                         resourceName));


          CurrentState metaCurState = new CurrentState(resourceName);
          metaCurState.setBucketSize(message.getBucketSize());

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    }


    // check partition is in ERROR state
    String sessionId = liveInstance.getSessionId();
    CurrentState curState =
        accessor.getProperty(keyBuilder.currentState(instanceName,
                                                     sessionId,
                                                     resourceName));
    for (String partitionName : resetPartitionNames)
    {
      if (!curState.getState(partitionName).equals(HelixDefinedState.ERROR.toString()))

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      List<ZNRecord> instanceCurrentStateList = new ArrayList<ZNRecord>();
      for (ZNRecord idealState : idealStateList)
      {
        String resourceName = idealState.getId();
        
        HelixProperty property = accessor.getProperty(keyBuilder.currentState(host, sessionId, resourceName));
        ZNRecord currentState =null;
        if (property == null)
        {
          _logger.warn("Resource " + resourceName + " has null currentState");
          currentState = new ZNRecord(resourceName);

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