Package org.apache.tez.dag.app.dag

Examples of org.apache.tez.dag.app.dag.Task

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            vertex.pendingTaskEvents.add(tezEvent);
          } else {
            checkEventSourceMetadata(vertex, sourceMeta);
            InputDataInformationEvent riEvent = (InputDataInformationEvent) tezEvent
                .getEvent();
            Task targetTask = vertex.getTask(riEvent.getTargetIndex());
            targetTask.registerTezEvent(tezEvent);
          }
          break;
        case VERTEX_MANAGER_EVENT:
        {
          VertexManagerEvent vmEvent = (VertexManagerEvent) tezEvent.getEvent();
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    @Override
    public void handle(TaskEvent event) {
      TezDAGID id = event.getTaskID().getVertexID().getDAGId();
      DAGImpl handler = id.equals(dagId) ? dag : (id.equals(mrrDagId) ? mrrDag : groupDag);
      Vertex vertex = handler.getVertex(event.getTaskID().getVertexID());
      Task task = vertex.getTask(event.getTaskID());
      ((EventHandler<TaskEvent>)task).handle(event);
    }
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  }

  private LinkedHashMap<TezTaskID, Task> mockTasks(TezVertexID vertexID, int numTasks) {
    LinkedHashMap<TezTaskID, Task> tasks = new LinkedHashMap<TezTaskID, Task>();
    for (int i = 0 ; i < numTasks ; i++) {
      Task task = mock(Task.class);
      TezTaskID taskID = TezTaskID.getInstance(vertexID, i);
      doReturn(taskID).when(task).getTaskId();
      tasks.put(taskID, task);
    }
    return tasks;
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    @SuppressWarnings("unchecked")
    @Override
    public void handle(TaskAttemptEvent event) {
      VertexImpl vertex = vertexIdMap.get(
        event.getTaskAttemptID().getTaskID().getVertexID());
      Task task = vertex.getTask(event.getTaskAttemptID().getTaskID());
      ((EventHandler<TaskAttemptEvent>)task.getAttempt(
          event.getTaskAttemptID())).handle(event);
    }
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  private class TaskEventDispatcher implements EventHandler<TaskEvent> {
    @SuppressWarnings("unchecked")
    @Override
    public void handle(TaskEvent event) {
      VertexImpl vertex = vertexIdMap.get(event.getTaskID().getVertexID());
      Task task = vertex.getTask(event.getTaskID());
      ((EventHandler<TaskEvent>)task).handle(event);
    }
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          event.getTaskID().getVertexID().getDAGId().getId();
      if (dag == null || eventDagIndex != dag.getID().getId()) {
        return; // event not relevant any more
      }
     
      Task task =
          dag.getVertex(event.getTaskID().getVertexID()).
              getTask(event.getTaskID());
      ((EventHandler<TaskEvent>)task).handle(event);
    }
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      int eventDagIndex =
          event.getTaskAttemptID().getTaskID().getVertexID().getDAGId().getId();
      if (dag == null || eventDagIndex != dag.getID().getId()) {
        return; // event not relevant any more
      }
      Task task =
          dag.getVertex(event.getTaskAttemptID().getTaskID().getVertexID()).
              getTask(event.getTaskAttemptID().getTaskID());
      TaskAttempt attempt = task.getAttempt(event.getTaskAttemptID());
      ((EventHandler<TaskAttemptEvent>) attempt).handle(event);
    }
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    @Override
    public void handle(TaskEvent event) {
      TezDAGID id = event.getTaskID().getVertexID().getDAGId();
      DAGImpl handler = id.equals(dagId) ? dag : (id.equals(mrrDagId) ? mrrDag : groupDag);
      Vertex vertex = handler.getVertex(event.getTaskID().getVertexID());
      Task task = vertex.getTask(event.getTaskID());
      ((EventHandler<TaskEvent>)task).handle(event);
    }
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          LOG.info("Recovering from event"
              + ", eventType=" + eventType
              + ", event=" + event.toString());
          assert recoveredDAGData.recoveredDAG != null;
          TaskStartedEvent tEvent = (TaskStartedEvent) event;
          Task task = recoveredDAGData.recoveredDAG.getVertex(
              tEvent.getTaskID().getVertexID()).getTask(tEvent.getTaskID());
          task.restoreFromEvent(tEvent);
          break;
        }
        case TASK_FINISHED:
        {
          LOG.info("Recovering from event"
              + ", eventType=" + eventType
              + ", event=" + event.toString());
          assert recoveredDAGData.recoveredDAG != null;
          TaskFinishedEvent tEvent = (TaskFinishedEvent) event;
          Task task = recoveredDAGData.recoveredDAG.getVertex(
              tEvent.getTaskID().getVertexID()).getTask(tEvent.getTaskID());
          task.restoreFromEvent(tEvent);
          break;
        }
        case TASK_ATTEMPT_STARTED:
        {
          LOG.info("Recovering from event"
              + ", eventType=" + eventType
              + ", event=" + event.toString());
          assert recoveredDAGData.recoveredDAG != null;
          TaskAttemptStartedEvent tEvent = (TaskAttemptStartedEvent) event;
          Task task =
              recoveredDAGData.recoveredDAG.getVertex(
                  tEvent.getTaskAttemptID().getTaskID().getVertexID())
                      .getTask(tEvent.getTaskAttemptID().getTaskID());
          task.restoreFromEvent(tEvent);
          break;
        }
        case TASK_ATTEMPT_FINISHED:
        {
          LOG.info("Recovering from event"
              + ", eventType=" + eventType
              + ", event=" + event.toString());
          assert recoveredDAGData.recoveredDAG != null;
          TaskAttemptFinishedEvent tEvent = (TaskAttemptFinishedEvent) event;
          Task task =
              recoveredDAGData.recoveredDAG.getVertex(
                  tEvent.getTaskAttemptID().getTaskID().getVertexID())
                  .getTask(tEvent.getTaskAttemptID().getTaskID());
          task.restoreFromEvent(tEvent);
          break;
        }
        case VERTEX_DATA_MOVEMENT_EVENTS_GENERATED:
        {
          LOG.info("Recovering from event"
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      boolean forceTransitionToKillWait = false;
      vertex.completedTaskCount++;
      LOG.info("Num completed Tasks for " + vertex.logIdentifier + " : "
          + vertex.completedTaskCount);
      VertexEventTaskCompleted taskEvent = (VertexEventTaskCompleted) event;
      Task task = vertex.tasks.get(taskEvent.getTaskID());
      if (taskEvent.getState() == TaskState.SUCCEEDED) {
        taskSucceeded(vertex, task);
      } else if (taskEvent.getState() == TaskState.FAILED) {
        LOG.info("Failing vertex: " + vertex.logIdentifier +
            " because task failed: " + taskEvent.getTaskID());
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Related Classes of org.apache.tez.dag.app.dag.Task

  • org.apache.tez.dag.app.dag.impl.Edge
  • org.apache.tez.dag.app.dag.impl.TestDAGImpl$TaskEventDispatcher
  • org.apache.tez.dag.app.dag.impl.TestEdge
  • org.apache.tez.dag.app.dag.impl.TestVertexImpl$TaskAttemptEventDispatcher
  • org.apache.tez.dag.app.dag.impl.TestVertexImpl$TaskEventDispatcher
  • org.apache.tez.dag.app.dag.impl.VertexImpl
  • org.apache.tez.dag.app.dag.impl.VertexImpl$RouteEventTransition
  • org.apache.tez.dag.app.dag.impl.VertexImpl$TaskCompletedTransition
  • org.apache.tez.dag.app.dag.impl.VertexManager$VertexManagerPluginContextImpl
  • org.apache.tez.dag.app.DAGAppMaster$TaskAttemptEventDispatcher
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