Package org.apache.helix.controller.stages

Examples of org.apache.helix.controller.stages.ClusterEvent.addAttribute()

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      if (_paused) {
        // it currently paused
        logger.info("controller is now resumed");
        _paused = false;
        ClusterEvent event = new ClusterEvent("resume");
        event.addAttribute("changeContext", changeContext);
        event.addAttribute("helixmanager", changeContext.getManager());
        event.addAttribute("eventData", pauseSignal);
        handleEvent(event);
      } else {
        _paused = false;
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        // it currently paused
        logger.info("controller is now resumed");
        _paused = false;
        ClusterEvent event = new ClusterEvent("resume");
        event.addAttribute("changeContext", changeContext);
        event.addAttribute("helixmanager", changeContext.getManager());
        event.addAttribute("eventData", pauseSignal);
        handleEvent(event);
      } else {
        _paused = false;
      }
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        logger.info("controller is now resumed");
        _paused = false;
        ClusterEvent event = new ClusterEvent("resume");
        event.addAttribute("changeContext", changeContext);
        event.addAttribute("helixmanager", changeContext.getManager());
        event.addAttribute("eventData", pauseSignal);
        handleEvent(event);
      } else {
        _paused = false;
      }
    }
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    @Override
    public void run() {
      NotificationContext changeContext = new NotificationContext(_manager);
      changeContext.setType(NotificationContext.Type.CALLBACK);
      ClusterEvent event = new ClusterEvent("periodicalRebalance");
      event.addAttribute("helixmanager", changeContext.getManager());
      event.addAttribute("changeContext", changeContext);
      List<ZNRecord> dummy = new ArrayList<ZNRecord>();
      event.addAttribute("eventData", dummy);
      // Should be able to process
      handleEvent(event);
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    public void run() {
      NotificationContext changeContext = new NotificationContext(_manager);
      changeContext.setType(NotificationContext.Type.CALLBACK);
      ClusterEvent event = new ClusterEvent("periodicalRebalance");
      event.addAttribute("helixmanager", changeContext.getManager());
      event.addAttribute("changeContext", changeContext);
      List<ZNRecord> dummy = new ArrayList<ZNRecord>();
      event.addAttribute("eventData", dummy);
      // Should be able to process
      handleEvent(event);
    }
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      changeContext.setType(NotificationContext.Type.CALLBACK);
      ClusterEvent event = new ClusterEvent("periodicalRebalance");
      event.addAttribute("helixmanager", changeContext.getManager());
      event.addAttribute("changeContext", changeContext);
      List<ZNRecord> dummy = new ArrayList<ZNRecord>();
      event.addAttribute("eventData", dummy);
      // Should be able to process
      handleEvent(event);
    }
  }
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   * @throws Exception
   */

  static BestPossibleStateOutput calcBestPossState(ClusterDataCache cache) throws Exception {
    ClusterEvent event = new ClusterEvent("sampleEvent");
    event.addAttribute("ClusterDataCache", cache);

    ResourceComputationStage rcState = new ResourceComputationStage();
    CurrentStateComputationStage csStage = new CurrentStateComputationStage();
    BestPossibleStateCalcStage bpStage = new BestPossibleStateCalcStage();

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    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));

    HelixManager manager = new DummyClusterManager(clusterName, accessor);
    ClusterEvent event = new ClusterEvent("testEvent");
    event.addAttribute("helixmanager", manager);

    final String resourceName = "testResource_dup";
    String[] resourceGroups = new String[] {
      resourceName
    };
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    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    HelixManager manager = new DummyClusterManager(clusterName, accessor);
    ClusterEvent event = new ClusterEvent("testEvent");
    event.addAttribute("helixmanager", manager);

    final String resourceName = "testResource_pending";
    String[] resourceGroups = new String[] {
      resourceName
    };
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    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    HelixManager manager = new DummyClusterManager(clusterName, accessor);
    ClusterEvent event = new ClusterEvent("testEvent");
    event.addAttribute("helixmanager", manager);

    final String resourceName = "testResource_xfer";
    String[] resourceGroups = new String[] {
      resourceName
    };
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