Package org.apache.helix.model

Examples of org.apache.helix.model.StateModelDefinition

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    }
    else if (cmd.hasOption(listStateModel))
    {
      String clusterName = cmd.getOptionValues(listStateModel)[0];
      String stateModel = cmd.getOptionValues(listStateModel)[1];
      StateModelDefinition stateModelDef =
          setupTool.getClusterManagementTool().getStateModelDef(clusterName, stateModel);
      String result =
          new String(new ZNRecordSerializer().serialize(stateModelDef.getRecord()));
      System.out.println("StateModelDefinition: " + result);
      return 0;
    }
    else if (cmd.hasOption(addStateModelDef))
    {
      String clusterName = cmd.getOptionValues(addStateModelDef)[0];
      String stateModelFile = cmd.getOptionValues(addStateModelDef)[1];

      ZNRecord stateModelRecord =
          (ZNRecord) (new ZNRecordSerializer().deserialize(readFile(stateModelFile)));
      if (stateModelRecord.getId() == null || stateModelRecord.getId().length() == 0)
      {
        throw new IllegalArgumentException("ZNRecord for state model definition must have an id");
      }
      setupTool.getClusterManagementTool()
               .addStateModelDef(clusterName,
                                 stateModelRecord.getId(),
                                 new StateModelDefinition(stateModelRecord));
      return 0;
    }
    else if (cmd.hasOption(addIdealState))
    {
      String clusterName = cmd.getOptionValues(addIdealState)[0];
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    stateTransitionPriorityList.add("IDLE-OFFLINE");
    stateTransitionPriorityList.add("IDLE-DROPPED");
    stateTransitionPriorityList.add("ERROR-IDLED");
    record.setListField(StateModelDefinitionProperty.STATE_TRANSITION_PRIORITYLIST.toString(),
                        stateTransitionPriorityList);
    return new StateModelDefinition(record);
  }
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      echo("\t Added participant: "
          + INSTANCE_CONFIG_LIST.get(i).getInstanceName());
    }

    // Add a state model
    StateModelDefinition myStateModel = defineStateModel();
    echo("Configuring StateModel: " + "MyStateModel  with 1 Master and 1 Slave");
    admin.addStateModelDef(CLUSTER_NAME, STATE_MODEL_NAME, myStateModel);

    // Add a resource with 6 partitions and 2 replicas
    echo("Adding a resource MyResource: " + "with 6 partitions and 2 replicas");
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    builder.upperBound(MASTER, 1);
    // dynamic constraint, R means it should be derived based on the replication
    // factor.
    builder.dynamicUpperBound(SLAVE, "R");

    StateModelDefinition statemodelDefinition = builder.build();
    return statemodelDefinition;
  }
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    // check if the state model definition exists and cache it
    if (!_stateModelDefs.containsKey(stateModelName))
    {
      HelixDataAccessor accessor = _manager.getHelixDataAccessor();
      Builder keyBuilder = accessor.keyBuilder();
      StateModelDefinition stateModelDef =
          accessor.getProperty(keyBuilder.stateModelDef(stateModelName));
      if (stateModelDef == null)
      {
        throw new HelixException("stateModelDef for " + stateModelName
            + " does NOT exists");
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    NotificationContext context;
    MockManager manager = new MockManager("clusterName");
//    DataAccessor accessor = manager.getDataAccessor();
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    StateModelConfigGenerator generator = new StateModelConfigGenerator();
    StateModelDefinition stateModelDef = new StateModelDefinition(
        generator.generateConfigForMasterSlave());
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);

    context = new NotificationContext(manager);
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    MockManager manager = new MockManager("clusterName");
//    DataAccessor accessor = manager.getDataAccessor();
    HelixDataAccessor accessor = manager.getHelixDataAccessor();

    StateModelConfigGenerator generator = new StateModelConfigGenerator();
    StateModelDefinition stateModelDef = new StateModelDefinition(
        generator.generateConfigForMasterSlave());
//    accessor.setProperty(PropertyType.STATEMODELDEFS, stateModelDef, "MasterSlave");
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);
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      // OK
    }
    ZNRecord stateModelRecord = new ZNRecord("id1");
    try
    {
      tool.addStateModelDef(clusterName, "id1", new StateModelDefinition(
          stateModelRecord));
      path = PropertyPathConfig.getPath(PropertyType.STATEMODELDEFS,
          clusterName, "id1");
      AssertJUnit.assertTrue(_gZkClient.exists(path));
      Assert.fail("should fail");
    } catch (HelixException e)
    {
      // OK
    }
    try
    {
      tool.addStateModelDef(clusterName, "id1", new StateModelDefinition(
          stateModelRecord));
      Assert.fail("should fail if add an already-existing state model");
    } catch (HelixException e)
    {
      // OK
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    paraMap.put(JsonParameters.MANAGEMENT_COMMAND,
                ClusterSetup.addStateModelDef);

    ZNRecord r = new ZNRecord("Test");
    r.merge(zn);
    StateModelDefinition newStateModel = new StateModelDefinition(r);

    httpUrlBase =
        "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/StateModelDefs";
    resourceRef = new Reference(httpUrlBase);
    request = new Request(Method.POST, resourceRef);
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      else
      {
        stateModelDefName = idealState.getStateModelDefRef();
      }

      StateModelDefinition stateModelDef = cache.getStateModelDef(stateModelDefName);
      if (idealState.getIdealStateMode() == IdealStateModeProperty.AUTO_REBALANCE)
      {
        calculateAutoBalancedIdealState(cache,
                                        idealState,
                                        stateModelDef,
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Related Classes of org.apache.helix.model.StateModelDefinition

  • com.linkedin.databus.cluster.DatabusCluster
  • org.apache.helix.api.accessor.ParticipantAccessor
  • org.apache.helix.api.accessor.ResourceAccessor
  • org.apache.helix.controller.rebalancer.AutoRebalancer
  • org.apache.helix.controller.rebalancer.CustomRebalancer
  • org.apache.helix.controller.rebalancer.FallbackRebalancer
  • org.apache.helix.controller.rebalancer.FullAutoRebalancer
  • org.apache.helix.controller.rebalancer.SemiAutoRebalancer
  • org.apache.helix.controller.stages.BaseStageTest
  • org.apache.helix.controller.stages.BestPossibleStateCalcStage
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