Package org.apache.helix.controller.pipeline

Examples of org.apache.helix.controller.pipeline.StageException

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        event.getAttribute(AttributeName.CURRENT_STATE.toString());
    BestPossibleStateOutput bestPossibleStateOutput =
        event.getAttribute(AttributeName.BEST_POSSIBLE_STATE.toString());
    if (manager == null || cluster == null || resourceMap == null || currentStateOutput == null
        || bestPossibleStateOutput == null) {
      throw new StageException("Missing attributes in event:" + event
          + ". Requires HelixManager|DataCache|RESOURCES|CURRENT_STATE|BEST_POSSIBLE_STATE");
    }

    MessageOutput output = new MessageOutput();
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    Map<ResourceId, ResourceConfig> resourceMap =
        event.getAttribute(AttributeName.RESOURCES.toString());
    Cluster cluster = event.getAttribute("ClusterDataCache");

    if (manager == null || resourceMap == null || cluster == null) {
      throw new StageException("Missing attributes in event:" + event
          + ". Requires ClusterManager|RESOURCES|DataCache");
    }

    HelixDataAccessor dataAccessor = manager.getHelixDataAccessor();
    PropertyKey.Builder keyBuilder = dataAccessor.keyBuilder();
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  @Override
  public void process(ClusterEvent event) throws Exception {
    HelixManager manager = event.getAttribute("helixmanager");
    Cluster cluster = event.getAttribute("ClusterDataCache");
    if (manager == null || cluster == null) {
      throw new StageException("Missing attributes in event:" + event
          + ". Requires HelixManager | DataCache");
    }

    HelixManagerProperties properties = manager.getProperties();
    // Map<String, LiveInstance> liveInstanceMap = cache.getLiveInstances();
    Map<ParticipantId, Participant> liveParticipants = cluster.getLiveParticipantMap();
    for (Participant liveParticipant : liveParticipants.values()) {
      HelixVersion version = liveParticipant.getRunningInstance().getVersion();
      String participantVersion = (version != null) ? version.toString() : null;
      if (!properties.isParticipantCompatible(participantVersion)) {
        String errorMsg =
            "incompatible participant. pipeline will not continue. " + "controller: "
                + manager.getInstanceName() + ", controllerVersion: " + properties.getVersion()
                + ", minimumSupportedParticipantVersion: "
                + properties.getProperty("minimum_supported_version.participant")
                + ", participant: " + liveParticipant.getId() + ", participantVersion: "
                + participantVersion;
        LOG.error(errorMsg);
        throw new StageException(errorMsg);
      }
    }
  }
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    BestPossibleStateOutput bestPossibleStateOutput =
        event.getAttribute(AttributeName.BEST_POSSIBLE_STATE.toString());
    MessageOutput messageGenOutput = event.getAttribute(AttributeName.MESSAGES_ALL.toString());
    if (cluster == null || resourceMap == null || currentStateOutput == null
        || messageGenOutput == null || bestPossibleStateOutput == null) {
      throw new StageException("Missing attributes in event:" + event
          + ". Requires DataCache|RESOURCES|CURRENT_STATE|BEST_POSSIBLE_STATE|MESSAGES_ALL");
    }

    MessageOutput output = new MessageOutput();
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    long startTime = System.currentTimeMillis();
    LOG.info("START ReadClusterDataStage.process()");

    HelixManager manager = event.getAttribute("helixmanager");
    if (manager == null) {
      throw new StageException("HelixManager attribute value is null");
    }
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    ClusterId clusterId = ClusterId.from(manager.getClusterName());
    ClusterAccessor clusterAccessor = new ClusterAccessor(clusterId, accessor);
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    Cluster cluster = event.getAttribute("ClusterDataCache");
    Map<ResourceId, ResourceConfig> resourceMap =
        event.getAttribute(AttributeName.RESOURCES.toString());

    if (cluster == null || resourceMap == null) {
      throw new StageException("Missing attributes in event:" + event
          + ". Requires DataCache|RESOURCE");
    }

    ResourceCurrentState currentStateOutput = new ResourceCurrentState();
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    Cluster cluster = event.getAttribute("ClusterDataCache");
    Map<ParticipantId, Participant> liveParticipantMap = cluster.getLiveParticipantMap();

    if (manager == null || resourceMap == null || messageOutput == null || cluster == null
        || liveParticipantMap == null) {
      throw new StageException(
          "Missing attributes in event:"
              + event
              + ". Requires HelixManager|RESOURCES|MESSAGES_THROTTLE|BEST_POSSIBLE_STATE|DataCache|liveInstanceMap");
    }
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    Map<ResourceId, ResourceConfig> resourceMap =
        event.getAttribute(AttributeName.RESOURCES.toString());
    Cluster cluster = event.getAttribute("ClusterDataCache");

    if (currentStateOutput == null || resourceMap == null || cluster == null) {
      throw new StageException("Missing attributes in event:" + event
          + ". Requires CURRENT_STATE|RESOURCES|DataCache");
    }

    BestPossibleStateOutput bestPossibleStateOutput =
        compute(cluster, event, resourceMap, currentStateOutput);
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  @Override
  public void process(ClusterEvent event) throws StageException {
    Cluster cluster = event.getAttribute("ClusterDataCache");
    if (cluster == null) {
      throw new StageException("Missing attributes in event: " + event + ". Requires Cluster");
    }

    Map<ResourceId, ResourceConfig> resCfgMap = new HashMap<ResourceId, ResourceConfig>();
    Map<ResourceId, ResourceConfig> csResCfgMap = getCurStateResourceCfgMap(cluster);
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        if (currentState.getStateModelDefRef() == null) {
          LOG.error("state model def is null." + "resource:" + currentState.getResourceId()
              + ", partitions: " + currentState.getPartitionStateMap().keySet()
              + ", states: " + currentState.getPartitionStateMap().values());
          throw new StageException("State model def is null for resource:"
              + currentState.getResourceId());
        }

        if (!resCfgBuilderMap.containsKey(resourceId)) {
          PartitionedRebalancerContext.Builder rebCtxBuilder =
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Related Classes of org.apache.helix.controller.pipeline.StageException

  • org.apache.helix.controller.stages.BestPossibleStateCalcStage
  • org.apache.helix.controller.stages.CompatibilityCheckStage
  • org.apache.helix.controller.stages.CurrentStateComputationStage
  • org.apache.helix.controller.stages.ExternalViewComputeStage
  • org.apache.helix.controller.stages.MessageGenerationPhase
  • org.apache.helix.controller.stages.MessageGenerationStage
  • org.apache.helix.controller.stages.MessageSelectionStage
  • org.apache.helix.controller.stages.MessageThrottleStage
  • org.apache.helix.controller.stages.ReadClusterDataStage
  • org.apache.helix.controller.stages.ReadHealthDataStage
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