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

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


  @SuppressWarnings("unchecked")
  @Test(timeout = 5000)
  public void testInvalidEvent() {
    dispatcher.getEventHandler().handle(
        new DAGEvent(dagId, DAGEventType.DAG_START));
    dispatcher.await();
    Assert.assertEquals(DAGState.ERROR, dag.getState());
  }

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

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

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

    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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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

    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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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 DAGEvent(currentDAG.getID(), DAGEventType.DAG_START);
    /** 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

    public void tryKillDAG(String dagIdStr)
        throws TezException {
      DAG dag = getDAG(dagIdStr);
      LOG.info("Sending client kill to dag: " + dagIdStr);
      //send a DAG_KILL message
      sendEvent(new DAGEvent(dag.getID(), DAGEventType.DAG_KILL));
    }

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