Package org.apache.helix.controller.stages

Examples of org.apache.helix.controller.stages.ResourceComputationStage

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    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
    rebalancePipeline.addStage(new BestPossibleStateCalcStage());
    rebalancePipeline.addStage(new MessageGenerationStage());
    rebalancePipeline.addStage(new MessageSelectionStage());
    rebalancePipeline.addStage(new MessageThrottleStage());
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  static BestPossibleStateOutput calcBestPossState(Cluster cluster) throws Exception {
    ClusterEvent event = new ClusterEvent("sampleEvent");
    event.addAttribute("ClusterDataCache", cluster);

    ResourceComputationStage rcState = new ResourceComputationStage();
    CurrentStateComputationStage csStage = new CurrentStateComputationStage();
    BestPossibleStateCalcStage bpStage = new BestPossibleStateCalcStage();

    runStage(event, rcState);
    runStage(event, csStage);
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      dataRefresh.addStage(new ReadClusterDataStage());

      // rebalance pipeline
      Pipeline rebalancePipeline = new Pipeline();
      rebalancePipeline.addStage(new CompatibilityCheckStage());
      rebalancePipeline.addStage(new ResourceComputationStage());
      rebalancePipeline.addStage(new CurrentStateComputationStage());
      rebalancePipeline.addStage(new BestPossibleStateCalcStage());
      rebalancePipeline.addStage(new PersistAssignmentStage());
      rebalancePipeline.addStage(new MessageGenerationStage());
      rebalancePipeline.addStage(new MessageSelectionStage());
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  BestPossibleStateOutput calculateBestPossibleState(Cluster cluster) throws Exception {
    ClusterEvent event = new ClusterEvent("event");
    event.addAttribute("ClusterDataCache", cluster);

    List<Stage> stages = new ArrayList<Stage>();
    stages.add(new ResourceComputationStage());
    stages.add(new CurrentStateComputationStage());
    stages.add(new BestPossibleStateCalcStage());

    for (Stage stage : stages) {
      runStage(event, stage);
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      runStage(event, throttleStage);
      Assert.fail("Should throw exception since RESOURCE is null");
    } catch (Exception e) {
      // OK
    }
    runStage(event, new ResourceComputationStage());

    try {
      runStage(event, throttleStage);
      Assert.fail("Should throw exception since MESSAGE_SELECT is null");
    } catch (Exception e) {
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    event.addAttribute("helixmanager", manager);

    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());
    runPipeline(event, dataRefresh);
    runStage(event, new ResourceComputationStage());
    MessageSelectionStageOutput msgSelectOutput = new MessageSelectionStageOutput();

    Message msg3 =
        createMessage(MessageType.STATE_TRANSITION, "msgId-003", "OFFLINE", "SLAVE", "TestDB",
            "localhost_0");
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      Pipeline dataRefresh = new Pipeline();
      dataRefresh.addStage(new ReadClusterDataStage());

      // rebalance pipeline
      Pipeline rebalancePipeline = new Pipeline();
      rebalancePipeline.addStage(new ResourceComputationStage());
      rebalancePipeline.addStage(new ResourceValidationStage());
      rebalancePipeline.addStage(new CurrentStateComputationStage());
      rebalancePipeline.addStage(new BestPossibleStateCalcStage());
      rebalancePipeline.addStage(new MessageGenerationPhase());
      rebalancePipeline.addStage(new MessageSelectionStage());
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  static BestPossibleStateOutput calcBestPossState(ClusterDataCache cache, Set<String> resources)
      throws Exception {
    ClusterEvent event = new ClusterEvent("sampleEvent");
    event.addAttribute("ClusterDataCache", cache);

    ResourceComputationStage rcState = new ResourceComputationStage();
    CurrentStateComputationStage csStage = new CurrentStateComputationStage();
    BestPossibleStateCalcStage bpStage = new BestPossibleStateCalcStage();

    runStage(event, rcState);
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    }
    catch (Exception e)
    {
      // OK
    }
    runStage(event, new ResourceComputationStage());

    try
    {
      runStage(event, throttleStage);
      Assert.fail("Should throw exception since MESSAGE_SELECT is null");
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    event.addAttribute("helixmanager", manager);

    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());
    runPipeline(event, dataRefresh);
    runStage(event, new ResourceComputationStage());
    MessageSelectionStageOutput msgSelectOutput = new MessageSelectionStageOutput();

    Message msg3 =
        createMessage(MessageType.STATE_TRANSITION,
                      "msgId-003",
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Related Classes of org.apache.helix.controller.stages.ResourceComputationStage

  • org.apache.helix.api.Cluster
  • org.apache.helix.api.Partition
  • org.apache.helix.api.Resource
  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.rebalancer.config.RebalancerConfig
  • org.apache.helix.controller.rebalancer.context.RebalancerConfig
  • org.apache.helix.controller.stages.TestMessageThrottleStage
  • org.apache.helix.controller.stages.TestRebalancePipeline
  • org.apache.helix.controller.stages.TestResourceComputationStage
  • org.apache.helix.model.CurrentState
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