Package org.apache.helix.controller.stages

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

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      Pipeline externalViewPipeline = new Pipeline();
      externalViewPipeline.addStage(new ExternalViewComputeStage());

      // backward compatibility check
      Pipeline liveInstancePipeline = new Pipeline();
      liveInstancePipeline.addStage(new CompatibilityCheckStage());

      registry.register("idealStateChange", dataRefresh, rebalancePipeline);
      registry.register("currentStateChange",
                        dataRefresh,
                        rebalancePipeline,
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  @Test
  public void testCompatible()
  {
    prepare("0.4.0", "0.4.0");
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try
    {
      stage.process(event);
    }
    catch (Exception e)
    {
      Assert.fail("Should not fail since versions are compatible");
    }
    stage.postProcess();
  }
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  @Test
  public void testNullParticipantVersion()
  {
    prepare("0.4.0", null);
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try
    {
      stage.process(event);
    }
    catch (Exception e)
    {
      Assert.fail("Should not fail since only participant version is null");
    }
    stage.postProcess();
  }
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  @Test
  public void testNullControllerVersion()
  {
    prepare(null, "0.4.0");
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try
    {
      stage.process(event);
      Assert.fail("Should fail since controller version is null");
    }
    catch (Exception e)
    {
      // OK
    }
    stage.postProcess();
  }
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  @Test
  public void testControllerVersionLessThanParticipantVersion()
  {
    prepare("0.2.12", "0.3.4");
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try
    {
      stage.process(event);
      Assert.fail("Should fail since controller primary version is less than participant primary version");
    }
    catch (Exception e)
    {
      // OK
    }
    stage.postProcess();
  }
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  @Test
  public void testIncompatible()
  {
    prepare("0.4.12", "0.3.4");
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try
    {
      stage.process(event);
      Assert.fail("Should fail since controller primary version is incompatible with participant primary version");
    }
    catch (Exception e)
    {
      // OK
    }
    stage.postProcess();
  }
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      Pipeline externalViewPipeline = new Pipeline();
      externalViewPipeline.addStage(new ExternalViewComputeStage());

      // backward compatibility check
      Pipeline liveInstancePipeline = new Pipeline();
      liveInstancePipeline.addStage(new CompatibilityCheckStage());

      registry.register("idealStateChange", dataRefresh, rebalancePipeline);
      registry.register("currentStateChange", dataRefresh, rebalancePipeline, externalViewPipeline);
      registry.register("configChange", dataRefresh, rebalancePipeline);
      registry.register("liveInstanceChange", dataRefresh, liveInstancePipeline, rebalancePipeline,
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  }

  @Test
  public void testCompatible() {
    prepare("0.4.0", "0.4.0");
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try {
      stage.process(event);
    } catch (Exception e) {
      Assert.fail("Should not fail since versions are compatible", e);
    }
    stage.postProcess();
  }
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  }

  @Test
  public void testNullParticipantVersion() {
    prepare("0.4.0", null);
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try {
      stage.process(event);
    } catch (Exception e) {
      Assert
          .fail("Should not fail since compatibility check will be skipped if participant version is null");
    }
    stage.postProcess();
  }
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  }

  @Test
  public void testNullControllerVersion() {
    prepare(null, "0.4.0");
    CompatibilityCheckStage stage = new CompatibilityCheckStage();
    StageContext context = new StageContext();
    stage.init(context);
    stage.preProcess();
    try {
      stage.process(event);
    } catch (Exception e) {
      Assert
          .fail("Should not fail since compatibility check will be skipped if controller version is null");
    }
    stage.postProcess();
  }
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Related Classes of org.apache.helix.controller.stages.CompatibilityCheckStage

  • org.apache.helix.api.Cluster
  • org.apache.helix.api.HelixVersion
  • org.apache.helix.controller.GenericHelixController
  • org.apache.helix.controller.stages.TestCompatibilityCheckStage
  • org.apache.helix.HelixManager
  • org.apache.helix.HelixManagerProperties
  • org.apache.helix.controller.pipeline.StageException
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