Examples of org.apache.tajo.master.event.QueryUnitAttemptScheduleEvent.QueryUnitAttemptScheduleContext

Package org.apache.tajo.master.event.QueryUnitAttemptScheduleEvent

Examples of org.apache.tajo.master.event.QueryUnitAttemptScheduleEvent.QueryUnitAttemptScheduleContext

org.apache.tajo.master.event.QueryUnitAttemptScheduleEvent.QueryUnitAttemptScheduleContext

      if(container == null) {
        continue;
      }


      String host = container.getTaskHostName();
      QueryUnitAttemptScheduleContext queryUnitContext = new QueryUnitAttemptScheduleContext(container.containerID,
          host, taskRequest.getCallback());
      QueryUnit task = SubQuery.newEmptyQueryUnit(context, queryUnitContext, subQuery, nextTaskId++);


      FragmentPair fragmentPair;
      List<FragmentPair> fragmentPairs = new ArrayList<FragmentPair>();

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      // random allocation
      if (scheduledFetches.size() > 0) {
        LOG.debug("Assigned based on * match");
        ContainerProxy container = context.getMasterContext().getResourceAllocator().getContainer(
            taskRequest.getContainerId());
        QueryUnitAttemptScheduleContext queryUnitContext = new QueryUnitAttemptScheduleContext(container.containerID,
            container.getTaskHostName(), taskRequest.getCallback());
        QueryUnit task = SubQuery.newEmptyQueryUnit(context, queryUnitContext, subQuery, nextTaskId++);
        task.setFragment(scheduledFragments.getAllFragments());
        subQuery.getEventHandler().handle(new TaskEvent(task.getId(), TaskEventType.T_SCHEDULE));
      }

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  public void handle(TaskSchedulerEvent event) {
    if (event.getType() == EventType.T_SCHEDULE) {
      if (event instanceof FragmentScheduleEvent) {
        FragmentScheduleEvent castEvent = (FragmentScheduleEvent) event;
        if (context.isLeafQuery()) {
          QueryUnitAttemptScheduleContext queryUnitContext = new QueryUnitAttemptScheduleContext();
          QueryUnit task = SubQuery.newEmptyQueryUnit(context, queryUnitContext, subQuery, nextTaskId++);
          task.addFragment(castEvent.getLeftFragment(), true);
          scheduledObjectNum++;
          if (castEvent.hasRightFragments()) {
            task.addFragments(castEvent.getRightFragments());
            //scheduledObjectNum += castEvent.getRightFragments().size();
          }
          subQuery.getEventHandler().handle(new TaskEvent(task.getId(), TaskEventType.T_SCHEDULE));
        } else {
          fragmentsForNonLeafTask = new FileFragment[2];
          fragmentsForNonLeafTask[0] = castEvent.getLeftFragment();
          if (castEvent.hasRightFragments()) {
            fragmentsForNonLeafTask[1] = castEvent.getRightFragments().toArray(new FileFragment[]{})[0];
          }
        }
      } else if (event instanceof FetchScheduleEvent) {
        FetchScheduleEvent castEvent = (FetchScheduleEvent) event;
        Map<String, List<URI>> fetches = castEvent.getFetches();
        QueryUnitAttemptScheduleContext queryUnitContext = new QueryUnitAttemptScheduleContext();
        QueryUnit task = SubQuery.newEmptyQueryUnit(context, queryUnitContext, subQuery, nextTaskId++);
        scheduledObjectNum++;
        for (Entry<String, List<URI>> eachFetch : fetches.entrySet()) {
          task.addFetches(eachFetch.getKey(), eachFetch.getValue());
          task.addFragment(fragmentsForNonLeafTask[0], true);

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Related Classes of org.apache.tajo.master.event.QueryUnitAttemptScheduleEvent.QueryUnitAttemptScheduleContext

org.apache.tajo.master.DefaultTaskScheduler

org.apache.tajo.master.LazyTaskScheduler

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