Examples of DAGEvent

org.apache.tez.dag.app.dag.event.DAGEvent
This class encapsulates job related events.

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

         getStateMachine().doTransition(event.getType(), event);
      } catch (InvalidStateTransitonException e) {
        LOG.error("Can't handle this event at current state", e);
        addDiagnostic("Invalid event " + event.getType() +
            " on Job " + this.dagId);
        eventHandler.handle(new DAGEvent(this.dagId,
            DAGEventType.INTERNAL_ERROR));
      }
      //notify the eventhandler of state change
      if (oldState != getInternalState()) {
        LOG.info(dagId + " transitioned from " + oldState + " to "

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

      }


      switch (dag.recoveredState) {
        case NEW:
          // send DAG an Init and start events
          dag.eventHandler.handle(new DAGEvent(dag.getID(), DAGEventType.DAG_INIT));
          dag.eventHandler.handle(new DAGEventStartDag(dag.getID(), null));
          return DAGState.NEW;
        case INITED:
          // DAG inited but not started
          // This implies vertices need to be sent init event

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

    LOG.error("Invalid event " + type + " on Task " + this.taskId + " in state:"
        + getInternalState());
    eventHandler.handle(new DAGEventDiagnosticsUpdate(
        this.taskId.getVertexID().getDAGId(), "Invalid event " + type +
        " on Task " + this.taskId));
    eventHandler.handle(new DAGEvent(this.taskId.getVertexID().getDAGId(),
        DAGEventType.INTERNAL_ERROR));
  }

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

        eventHandler.handle(new DAGEventDiagnosticsUpdate(
            this.attemptId.getTaskID().getVertexID().getDAGId(),
            "Invalid event " + event.getType() +
            " on TaskAttempt " + this.attemptId));
        eventHandler.handle(
            new DAGEvent(
                this.attemptId.getTaskID().getVertexID().getDAGId(),
                DAGEventType.INTERNAL_ERROR)
            );
      }
      if (oldState != getInternalState()) {

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

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

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

    return currentDAG.getID().toString();
  }


  @SuppressWarnings("unchecked")
  public void tryKillDAG(DAG dag){
    dispatcher.getEventHandler().handle(new DAGEvent(dag.getID(), DAGEventType.DAG_KILL));
  }

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


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

    case INTERNAL_ERROR:
      state = DAGAppMasterState.ERROR;
      if(currentDAG != null) {
        // 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.");
        shutdownHandler.shutdown();
      }
      break;

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

    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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