Package org.apache.helix.model

Examples of org.apache.helix.model.StateModelDefinition

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    message.setResourceId(ResourceId.from("TestDB"));
    message.setStateModelDef(StateModelDefId.from("MasterSlave"));

    MockManager manager = new MockManager("clusterName");
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    StateModelDefinition stateModelDef =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);

    MockHelixTaskExecutor executor = new MockHelixTaskExecutor();
    MockStateModel stateModel = new MockStateModel();
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  public static void setupStateModel(BaseDataAccessor<ZNRecord> baseAccessor, String clusterName) {
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    PropertyKey.Builder keyBuilder = accessor.keyBuilder();

    StateModelDefinition masterSlave =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    accessor.setProperty(keyBuilder.stateModelDef(masterSlave.getId()), masterSlave);

    StateModelDefinition leaderStandby =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForLeaderStandby());
    accessor.setProperty(keyBuilder.stateModelDef(leaderStandby.getId()), leaderStandby);

    StateModelDefinition onlineOffline =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForOnlineOffline());
    accessor.setProperty(keyBuilder.stateModelDef(onlineOffline.getId()), onlineOffline);
  }
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    message.setStateModelFactoryName(HelixConstants.DEFAULT_STATE_MODEL_FACTORY);
    MockStateModel stateModel = new MockStateModel();
    NotificationContext context;
    MockManager manager = new MockManager("clusterName");
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
    StateModelDefinition stateModelDef =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);

    context = new NotificationContext(manager);
    CurrentState currentStateDelta = new CurrentState("TestDB");
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    NotificationContext context;

    MockManager manager = new MockManager("clusterName");
    HelixDataAccessor accessor = manager.getHelixDataAccessor();

    StateModelDefinition stateModelDef =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);

    context = new NotificationContext(manager);
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    stateTransitionPriorityList.add("IDLE-OFFLINE");
    stateTransitionPriorityList.add("IDLE-DROPPED");
    stateTransitionPriorityList.add("ERROR-IDLE");
    record.setListField(StateModelDefinitionProperty.STATE_TRANSITION_PRIORITYLIST.toString(),
        stateTransitionPriorityList);
    return new StateModelDefinition(record);
  }
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    // check if the state model definition exists and cache it
    if (!_stateModelDefs.containsKey(stateModelId)) {
      HelixDataAccessor accessor = _manager.getHelixDataAccessor();
      Builder keyBuilder = accessor.keyBuilder();
      StateModelDefinition stateModelDef =
          accessor.getProperty(keyBuilder.stateModelDef(stateModelId.stringify()));
      if (stateModelDef == null) {
        throw new HelixException("fail to create msg-handler because stateModelDef for "
            + stateModelId + " does NOT exist");
      }
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        return false;
      }

      int numberOfPartitions = idealState.getRecord().getListFields().size();
      String stateModelDefName = idealState.getStateModelDefId().stringify();
      StateModelDefinition stateModelDef =
          accessor.getProperty(keyBuilder.stateModelDef(stateModelDefName));
      State masterValue = stateModelDef.getTypedStatesPriorityList().get(0);
      int replicas = Integer.parseInt(idealState.getReplicas());

      String instanceGroupTag = idealState.getInstanceGroupTag();

      int instances = 0;
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    LinkedHashMap<String, Integer> states = new LinkedHashMap<String, Integer>();
    for (int i = 0; i < Math.min(stateNames.length, stateCounts.length); i++) {
      states.put(stateNames[i], stateCounts[i]);
    }

    StateModelDefinition stateModelDef = getIncompleteStateModelDef(name, stateNames[0], states);

    new AutoRebalanceTester(partitions, states, liveNodes, currentMapping, allNodes, maxPerNode,
        stateModelDef, new AutoRebalanceStrategy.DefaultPlacementScheme())
        .runRepeatedly(numIterations);
  }
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    Builder keyBuilder = accessor.keyBuilder();
    Map<StateModelDefId, StateModelDefinition> defs =
        new HashMap<StateModelDefId, StateModelDefinition>();

    ZNRecord masterSlave = StateModelConfigGenerator.generateConfigForMasterSlave();
    StateModelDefinition masterSlaveDef = new StateModelDefinition(masterSlave);
    defs.put(StateModelDefId.from(masterSlaveDef.getId()), masterSlaveDef);
    accessor.setProperty(keyBuilder.stateModelDef(masterSlave.getId()), masterSlaveDef);

    ZNRecord leaderStandby = StateModelConfigGenerator.generateConfigForLeaderStandby();
    StateModelDefinition leaderStandbyDef = new StateModelDefinition(leaderStandby);
    defs.put(StateModelDefId.from(leaderStandbyDef.getId()), leaderStandbyDef);
    accessor.setProperty(keyBuilder.stateModelDef(leaderStandby.getId()), leaderStandbyDef);

    ZNRecord onlineOffline = StateModelConfigGenerator.generateConfigForOnlineOffline();
    StateModelDefinition onlineOfflineDef = new StateModelDefinition(onlineOffline);
    defs.put(StateModelDefId.from(onlineOfflineDef.getId()), onlineOfflineDef);
    accessor.setProperty(keyBuilder.stateModelDef(onlineOffline.getId()), onlineOfflineDef);

    return defs;
  }
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        if (resource.stateModel == null || resource.stateModel.name == null) {
          throw new HelixException("Resource must specify a named state model!");
        }
        // if states is null, assume using a built-in or already-added state model
        if (resource.stateModel.states != null) {
          StateModelDefinition stateModelDef =
              getStateModelDef(resource.stateModel, resource.constraints);
          helixAdmin.addStateModelDef(cfg.clusterName, resource.stateModel.name, stateModelDef);
        } else {
          StateModelDefinition stateModelDef = null;
          if (resource.stateModel.name.equals("MasterSlave")) {
            stateModelDef =
                new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
          } else if (resource.stateModel.name.equals("OnlineOffline")) {
            stateModelDef =
                new StateModelDefinition(StateModelConfigGenerator.generateConfigForOnlineOffline());
          } else if (resource.stateModel.name.equals("LeaderStandby")) {
            stateModelDef =
                new StateModelDefinition(StateModelConfigGenerator.generateConfigForLeaderStandby());
          }
          if (stateModelDef != null) {
            try {
              helixAdmin.addStateModelDef(cfg.clusterName, resource.stateModel.name, stateModelDef);
            } catch (HelixException e) {
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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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