Package org.apache.helix.controller.stages

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

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    {
      PipelineRegistry registry = new PipelineRegistry();

      // cluster data cache refresh
      Pipeline dataRefresh = new Pipeline();
      dataRefresh.addStage(new ReadClusterDataStage());

      // rebalance pipeline
      Pipeline rebalancePipeline = new Pipeline();
      rebalancePipeline.addStage(new ResourceComputationStage());
      rebalancePipeline.addStage(new CurrentStateComputationStage());
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    {
      // OK
    }

    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());
    runPipeline(event, dataRefresh);

    try
    {
      runStage(event, throttleStage);
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    // test messageThrottleStage
    ClusterEvent event = new ClusterEvent("testEvent");
    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 =
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    setupLiveInstances(clusterName, new int[] { 0, 1 });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
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    setupLiveInstances(clusterName, new int[] { 0, 1 });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
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    setupLiveInstances(clusterName, new int[] { 1 });
    setupStateModel(clusterName);

    // cluster data cache refresh pipeline
    Pipeline dataRefresh = new Pipeline();
    dataRefresh.addStage(new ReadClusterDataStage());

    // rebalance pipeline
    Pipeline rebalancePipeline = new Pipeline();
    rebalancePipeline.addStage(new ResourceComputationStage());
    rebalancePipeline.addStage(new CurrentStateComputationStage());
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    event.addAttribute(AttributeName.RESOURCES.toString(),
        resourceMap);
    event.addAttribute(AttributeName.CURRENT_STATE.toString(),
        currentStateOutput);

    ReadClusterDataStage stage1 = new ReadClusterDataStage();
    runStage(event, stage1);
    BestPossibleStateCalcStage stage2 = new BestPossibleStateCalcStage();
    runStage(event, stage2);

    BestPossibleStateOutput output = event
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    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.idealStates(resourceName),
                                          idealState);
    ResourceComputationStage stage = new ResourceComputationStage();
    runStage(event, new ReadClusterDataStage());
    runStage(event, stage);

    Map<String, Resource> resource = event
        .getAttribute(AttributeName.RESOURCES.toString());
    AssertJUnit.assertEquals(1, resource.size());
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//    List<IdealState> idealStates = new ArrayList<IdealState>();
    String[] resources = new String[]
        { "testResource1", "testResource2" };
    List<IdealState> idealStates = setupIdealState(5, resources, 10, 1);
    ResourceComputationStage stage = new ResourceComputationStage();
    runStage(event, new ReadClusterDataStage());
    runStage(event, stage);

    Map<String, Resource> resourceMap = event
        .getAttribute(AttributeName.RESOURCES.toString());
    AssertJUnit.assertEquals(resources.length, resourceMap.size());
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    currentState.setStateModelDefRef("MasterSlave");
    accessor.setProperty(keyBuilder.currentState(instanceName, sessionId, oldResource),
                                          currentState);

    ResourceComputationStage stage = new ResourceComputationStage();
    runStage(event, new ReadClusterDataStage());
    runStage(event, stage);

    Map<String, Resource> resourceMap = event
        .getAttribute(AttributeName.RESOURCES.toString());
    // +1 because it will have one for current state
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Related Classes of org.apache.helix.controller.stages.ReadClusterDataStage

  • org.apache.helix.api.accessor.ClusterAccessor
  • org.apache.helix.api.Cluster
  • org.apache.helix.api.id.ClusterId
  • org.apache.helix.controller.context.ControllerContextProvider
  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.stages.TestBestPossibleStateCalcStage
  • org.apache.helix.controller.stages.TestCompatibilityCheckStage
  • org.apache.helix.controller.stages.TestCurrentStateComputationStage
  • org.apache.helix.controller.stages.TestMessageThrottleStage
  • org.apache.helix.controller.stages.TestRebalancePipeline
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