Java FinalApplicationStatus.KILLED屬性代碼示例

private FinalApplicationStatus createFinalApplicationStatus(RMAppState state) {
  switch(state) {
  case NEW:
  case NEW_SAVING:
  case SUBMITTED:
  case ACCEPTED:
  case RUNNING:
  case FINAL_SAVING:
  case KILLING:
    return FinalApplicationStatus.UNDEFINED;    
  // finished without a proper final state is the same as failed  
  case FINISHING:
  case FINISHED:
  case FAILED:
    return FinalApplicationStatus.FAILED;
  case KILLED:
    return FinalApplicationStatus.KILLED;
  }
  throw new YarnRuntimeException("Unknown state passed!");
}
 

public static State fromYarn(YarnApplicationState yarnApplicationState,
    FinalApplicationStatus finalApplicationStatus) {
  switch (yarnApplicationState) {
  case NEW:
  case NEW_SAVING:
  case SUBMITTED:
  case ACCEPTED:
    return State.PREP;
  case RUNNING:
    return State.RUNNING;
  case FINISHED:
    if (finalApplicationStatus == FinalApplicationStatus.SUCCEEDED) {
      return State.SUCCEEDED;
    } else if (finalApplicationStatus == FinalApplicationStatus.KILLED) {
      return State.KILLED;
    }
  case FAILED:
    return State.FAILED;
  case KILLED:
    return State.KILLED;
  }
  throw new YarnRuntimeException("Unrecognized application state: " + yarnApplicationState);
}
 

@VisibleForTesting
protected void doUnregistration()
    throws YarnException, IOException, InterruptedException {
  FinalApplicationStatus finishState = FinalApplicationStatus.UNDEFINED;
  JobImpl jobImpl = (JobImpl)job;
  if (jobImpl.getInternalState() == JobStateInternal.SUCCEEDED) {
    finishState = FinalApplicationStatus.SUCCEEDED;
  } else if (jobImpl.getInternalState() == JobStateInternal.KILLED
      || (jobImpl.getInternalState() == JobStateInternal.RUNNING && isSignalled)) {
    finishState = FinalApplicationStatus.KILLED;
  } else if (jobImpl.getInternalState() == JobStateInternal.FAILED
      || jobImpl.getInternalState() == JobStateInternal.ERROR) {
    finishState = FinalApplicationStatus.FAILED;
  }
  StringBuffer sb = new StringBuffer();
  for (String s : job.getDiagnostics()) {
    sb.append(s).append("\n");
  }
  LOG.info("Setting job diagnostics to " + sb.toString());

  String historyUrl =
      MRWebAppUtil.getApplicationWebURLOnJHSWithScheme(getConfig(),
          context.getApplicationID());
  LOG.info("History url is " + historyUrl);
  FinishApplicationMasterRequest request =
      FinishApplicationMasterRequest.newInstance(finishState,
        sb.toString(), historyUrl);
  try {
    while (true) {
      FinishApplicationMasterResponse response =
          scheduler.finishApplicationMaster(request);
      if (response.getIsUnregistered()) {
        // When excepting ClientService, other services are already stopped,
        // it is safe to let clients know the final states. ClientService
        // should wait for some time so clients have enough time to know the
        // final states.
        RunningAppContext raContext = (RunningAppContext) context;
        raContext.markSuccessfulUnregistration();
        break;
      }
      LOG.info("Waiting for application to be successfully unregistered.");
      Thread.sleep(rmPollInterval);
    }
  } catch (ApplicationMasterNotRegisteredException e) {
    // RM might have restarted or failed over and so lost the fact that AM had
    // registered before.
    register();
    doUnregistration();
  }
}