Package org.apache.helix.controller.stages

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

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    _cache.setInstanceConfigs(configs);

    ClusterEvent event = new ClusterEvent("configChange");
    event.addAttribute("changeContext", changeContext);
    event.addAttribute("helixmanager", changeContext.getManager());
    event.addAttribute("eventData", configs);
    _eventQueue.put(event);
    logger.info("END: GenericClusterController.onConfigChange()");
  }

  @Override
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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);
        _eventQueue.put(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);
        _eventQueue.put(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);
        _eventQueue.put(event);
      } else {
        _paused = false;
      }
    }
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    public void run() {
      _cache.requireFullRefresh();
      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
      _eventQueue.put(event);
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      _cache.requireFullRefresh();
      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
      _eventQueue.put(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
      _eventQueue.put(event);
    }
  }
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    stage.postProcess();
  }

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

    List<Stage> stages = new ArrayList<Stage>();
    stages.add(new ResourceComputationStage());
    stages.add(new CurrentStateComputationStage());
    stages.add(new BestPossibleStateCalcStage());
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      return;
    }

    try {
      ClusterEvent event = new ClusterEvent("healthChange");
      event.addAttribute("helixmanager", _manager);
      event.addAttribute("HelixStageLatencyMonitorMap", _stageLatencyMonitorMap);

      _healthStatsAggregationPipeline.handle(event);
      _healthStatsAggregationPipeline.finish();
    } catch (Exception e) {
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    }

    try {
      ClusterEvent event = new ClusterEvent("healthChange");
      event.addAttribute("helixmanager", _manager);
      event.addAttribute("HelixStageLatencyMonitorMap", _stageLatencyMonitorMap);

      _healthStatsAggregationPipeline.handle(event);
      _healthStatsAggregationPipeline.finish();
    } catch (Exception e) {
      LOG.error("Exception while executing pipeline: " + _healthStatsAggregationPipeline, e);
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