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

Examples of org.apache.tez.dag.app.dag.event.DAGEvent

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    dag = null;
  }

  private void initDAG(DAGImpl impl) {
    impl.handle(
        new DAGEvent(impl.getID(), DAGEventType.DAG_INIT));
    Assert.assertEquals(DAGState.INITED, impl.getState());
  }
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    initDAG(dag);
    startDAG(dag);
    dispatcher.await();

    dispatcher.getEventHandler().handle(
        new DAGEvent(dagId, DAGEventType.DAG_KILL));
    dispatcher.await();

    Assert.assertEquals(DAGState.KILLED, dag.getState());
    for (int i = 0 ; i < 6; ++i ) {
      TezVertexID vId = TezVertexID.getInstance(dagId, i);
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    dispatcher.await();

    Assert.assertEquals(VertexState.SUCCEEDED, v0.getState());
    Assert.assertEquals(VertexState.RUNNING, v1.getState());

    dispatcher.getEventHandler().handle(new DAGEvent(dagId, DAGEventType.DAG_KILL));
    dispatcher.await();

    Assert.assertEquals(DAGState.TERMINATING, dag.getState());
    Assert.assertEquals(VertexState.SUCCEEDED, v0.getState());
    Assert.assertEquals(VertexState.TERMINATING, v1.getState());
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    dispatcher.await();
    Assert.assertEquals(DAGState.RUNNING, dag.getState());

    dispatcher.getEventHandler().handle(new DAGEventVertexCompleted(
        TezVertexID.getInstance(dagId, 1), VertexState.SUCCEEDED));
    dispatcher.getEventHandler().handle(new DAGEvent(dagId, DAGEventType.DAG_KILL));
    for (int i = 2; i < 6; ++i) {
      dispatcher.getEventHandler().handle(new DAGEventVertexCompleted(
          TezVertexID.getInstance(dagId, i), VertexState.SUCCEEDED));
    }
    dispatcher.await();
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    dispatcher.await();
    Assert.assertEquals(DAGState.RUNNING, dag.getState());

    dispatcher.getEventHandler().handle(new DAGEventVertexCompleted(
        TezVertexID.getInstance(dagId, 1), VertexState.SUCCEEDED));
    dispatcher.getEventHandler().handle(new DAGEvent(dagId, DAGEventType.DAG_KILL));

    for (int i = 2; i < 5; ++i) {
      dispatcher.getEventHandler().handle(new DAGEventVertexCompleted(
          TezVertexID.getInstance(dagId, i), VertexState.SUCCEEDED));
    }
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  public void testDAGKillInternalError() {
    initDAG(dag);
    startDAG(dag);
    dispatcher.await();

    dispatcher.getEventHandler().handle(new DAGEvent(dagId,
        DAGEventType.INTERNAL_ERROR));

    dispatcher.await();
    Assert.assertEquals(DAGState.ERROR, dag.getState());
    Assert.assertEquals(0, dag.getSuccessfulVertices());
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    public boolean internalError;

    @Override
    public void handle(Event event) {
      if (event instanceof DAGEvent) {
        DAGEvent je = ((DAGEvent) event);
        if (DAGEventType.INTERNAL_ERROR == je.getType()) {
          internalError = true;
        }
      }
    }
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      state = DAGAppMasterState.ERROR;
      if(currentDAG != null) {
        _updateLoggers(currentDAG, "_post");
        // notify dag to finish which will send the DAG_FINISHED event
        LOG.info("Internal Error. Notifying dags to finish.");
        sendEvent(new DAGEvent(currentDAG.getID(), DAGEventType.INTERNAL_ERROR));
      } else {
        LOG.info("Internal Error. Finishing directly as no dag is active.");
        this.taskSchedulerEventHandler.setShouldUnregisterFlag();
        shutdownHandler.shutdown();
      }
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    if (currentDAG != null
        && !currentDAG.isComplete()) {
      //send a DAG_KILL message
      LOG.info("Sending a kill event to the current DAG"
          + ", dagId=" + currentDAG.getID());
      sendEvent(new DAGEvent(currentDAG.getID(), DAGEventType.DAG_KILL));
    } else {
      LOG.info("No current running DAG, shutting down the AM");
      if (isSession && !state.equals(DAGAppMasterState.ERROR)) {
        state = DAGAppMasterState.SUCCEEDED;
      }
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    // End of creating the job.
    ((RunningAppContext) context).setDAG(currentDAG);

    // create a job event for job initialization
    DAGEvent initDagEvent = new DAGEvent(currentDAG.getID(), DAGEventType.DAG_INIT);
    // Send init to the job (this does NOT trigger job execution)
    // This is a synchronous call, not an event through dispatcher. We want
    // job-init to be done completely here.
    dagEventDispatcher.handle(initDagEvent);

    // All components have started, start the job.
    /** create a job-start event to get this ball rolling */
    DAGEvent startDagEvent = new DAGEventStartDag(currentDAG.getID(), additionalUrlsForClasspath);
    /** send the job-start event. this triggers the job execution. */
    sendEvent(startDagEvent);
  }
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Related Classes of org.apache.tez.dag.app.dag.event.DAGEvent

  • org.apache.tez.dag.app.dag.impl.DAGImpl
  • org.apache.tez.dag.app.dag.impl.DAGImpl$RecoverTransition
  • org.apache.tez.dag.app.dag.impl.TaskAttemptImpl
  • org.apache.tez.dag.app.dag.impl.TaskImpl
  • org.apache.tez.dag.app.dag.impl.TestDAGImpl
  • org.apache.tez.dag.app.dag.impl.TestTaskAttempt$MockEventHandler
  • org.apache.tez.dag.app.dag.impl.VertexImpl
  • org.apache.tez.dag.app.dag.impl.VertexImpl$TaskRescheduledAfterVertexSuccessTransition
  • org.apache.tez.dag.app.DAGAppMaster
  • org.apache.tez.dag.app.DAGAppMaster$DAGClientHandler
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