Package com.linkedin.helix.PropertyKey

Examples of com.linkedin.helix.PropertyKey.Builder

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  public void resetResource(String clusterName, List<String> resourceNames)
  {
    // TODO: not mp-safe
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();
    List<ExternalView> extViews = accessor.getChildValues(keyBuilder.externalViews());

    Set<String> resetResourceNames = new HashSet<String>(resourceNames);
    for (ExternalView extView : extViews)
    {
      if (!resetResourceNames.contains(extView.getResourceName()))
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  @Override
  public IdealState getResourceIdealState(String clusterName, String dbName)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    return accessor.getProperty(keyBuilder.idealStates(dbName));
  }
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                                    String dbName,
                                    IdealState idealState)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    accessor.setProperty(keyBuilder.idealStates(dbName), idealState);
  }
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      {
        Message nopMsg = new Message(MessageType.NO_OP, UUID.randomUUID().toString());
        nopMsg.setSrcName(_manager.getInstanceName());

        HelixDataAccessor accessor = _manager.getHelixDataAccessor();
        Builder keyBuilder = accessor.keyBuilder();

        if (_manager.getInstanceType() == InstanceType.CONTROLLER
            || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
        {
          nopMsg.setTgtName("Controller");
          accessor.setProperty(keyBuilder.controllerMessage(nopMsg.getId()), nopMsg);
        }

        if (_manager.getInstanceType() == InstanceType.PARTICIPANT
            || _manager.getInstanceType() == InstanceType.CONTROLLER_PARTICIPANT)
        {
          nopMsg.setTgtName(_manager.getInstanceName());
          accessor.setProperty(keyBuilder.message(nopMsg.getTgtName(), nopMsg.getId()),
                               nopMsg);
        }
        logger.info("Send NO_OP message to " + nopMsg.getTgtName() + ", msgId: "
            + nopMsg.getId());
      }
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  @Override
  public ExternalView getResourceExternalView(String clusterName, String resourceName)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();
    return accessor.getProperty(keyBuilder.externalView(resourceName));
  }
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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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      throw new HelixException("State model path " + stateModelPath + " already exists.");
    }

    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();
    accessor.setProperty(keyBuilder.stateModelDef(stateModel.getId()), stateModel);
  }
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  @Override
  public void dropResource(String clusterName, String resourceName)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    accessor.removeProperty(keyBuilder.idealStates(resourceName));
  }
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  @Override
  public StateModelDefinition getStateModelDef(String clusterName, String stateModelName)
  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    return accessor.getProperty(keyBuilder.stateModelDef(stateModelName));
  }
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  public void dropCluster(String clusterName)
  {
    logger.info("Deleting cluster " + clusterName);
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    String root = "/" + clusterName;
    if (accessor.getChildNames(keyBuilder.liveInstances()).size() > 0)
    {
      throw new HelixException("There are still live instances in the cluster, shut them down first.");
    }

    if (accessor.getProperty(keyBuilder.controllerLeader()) != null)
    {
      throw new HelixException("There are still LEADER in the cluster, shut them down first.");
    }

    _zkClient.deleteRecursive(root);
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Related Classes of com.linkedin.helix.PropertyKey.Builder

  • com.linkedin.helix.alerts.TestAddAlerts
  • com.linkedin.helix.alerts.TestAddPersistentStats
  • com.linkedin.helix.alerts.TestArrivingParticipantStats
  • com.linkedin.helix.controller.GenericHelixController
  • com.linkedin.helix.controller.stages.BaseStageTest
  • com.linkedin.helix.controller.stages.ClusterDataCache
  • com.linkedin.helix.controller.stages.HealthDataCache
  • com.linkedin.helix.controller.stages.StatsAggregationStage
  • com.linkedin.helix.controller.stages.TaskAssignmentStage
  • com.linkedin.helix.controller.stages.TestCompatibilityCheckStage
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