Java JobInitedEvent类代码示例

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
/**
 * This transition executes in the event-dispatcher thread, though it's
 * triggered in MRAppMaster's startJobs() method.
 */
@Override
public void transition(JobImpl job, JobEvent event) {
  JobStartEvent jse = (JobStartEvent) event;
  if (jse.getRecoveredJobStartTime() != 0) {
    job.startTime = jse.getRecoveredJobStartTime();
  } else {
    job.startTime = job.clock.getTime();
  }
  JobInitedEvent jie =
    new JobInitedEvent(job.oldJobId,
         job.startTime,
         job.numMapTasks, job.numReduceTasks,
         job.getState().toString(),
         job.isUber());
  job.eventHandler.handle(new JobHistoryEvent(job.jobId, jie));
  JobInfoChangeEvent jice = new JobInfoChangeEvent(job.oldJobId,
      job.appSubmitTime, job.startTime);
  job.eventHandler.handle(new JobHistoryEvent(job.jobId, jice));
  job.metrics.runningJob(job);

  job.eventHandler.handle(new CommitterJobSetupEvent(
          job.jobId, job.jobContext));
}
 

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
HistoryEvent maybeEmitEvent(ParsedLine line, String jobIDName,
    HistoryEventEmitter thatg) {
  if (jobIDName == null) {
    return null;
  }

  JobID jobID = JobID.forName(jobIDName);

  String launchTime = line.get("LAUNCH_TIME");
  String status = line.get("JOB_STATUS");
  String totalMaps = line.get("TOTAL_MAPS");
  String totalReduces = line.get("TOTAL_REDUCES");
  String uberized = line.get("UBERIZED");

  if (launchTime != null && totalMaps != null && totalReduces != null) {
    return new JobInitedEvent(jobID, Long.parseLong(launchTime), Integer
        .parseInt(totalMaps), Integer.parseInt(totalReduces), status,
        Boolean.parseBoolean(uberized));
  }

  return null;
}
 

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
/**
 * This transition executes in the event-dispatcher thread, though it's
 * triggered in MRAppMaster's startJobs() method.
 */
@Override
public void transition(JobImpl job, JobEvent event) {
  JobStartEvent jse = (JobStartEvent) event;
  if (jse.getRecoveredJobStartTime() != -1L) {
    job.startTime = jse.getRecoveredJobStartTime();
  } else {
    job.startTime = job.clock.getTime();
  }
  JobInitedEvent jie =
    new JobInitedEvent(job.oldJobId,
         job.startTime,
         job.numMapTasks, job.numReduceTasks,
         job.getState().toString(),
         job.isUber());
  job.eventHandler.handle(new JobHistoryEvent(job.jobId, jie));
  JobInfoChangeEvent jice = new JobInfoChangeEvent(job.oldJobId,
      job.appSubmitTime, job.startTime);
  job.eventHandler.handle(new JobHistoryEvent(job.jobId, jice));
  job.metrics.runningJob(job);

  job.eventHandler.handle(new CommitterJobSetupEvent(
          job.jobId, job.jobContext));
}
 

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
HistoryEvent maybeEmitEvent(ParsedLine line, String jobIDName,
    HistoryEventEmitter thatg) {
  if (jobIDName == null) {
    return null;
  }

  JobID jobID = JobID.forName(jobIDName);

  String launchTime = line.get("LAUNCH_TIME");
  String status = line.get("JOB_STATUS");
  String totalMaps = line.get("TOTAL_MAPS");
  String totalReduces = line.get("TOTAL_REDUCES");

  if (launchTime != null && totalMaps != null && totalReduces != null) {
    return new JobInitedEvent(jobID, Long.parseLong(launchTime), Integer
        .parseInt(totalMaps), Integer.parseInt(totalReduces), status);
  }

  return null;
}
 

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
@Override
protected EventHandler<JobHistoryEvent> createJobHistoryHandler(
    AppContext context) {
  return new JobHistoryEventHandler(context, getStartCount()) {
    @Override
    public void handle(JobHistoryEvent event) {
      if (event.getHistoryEvent().getEventType() == EventType.JOB_INITED) {
        JobInitedEvent jie = (JobInitedEvent) event.getHistoryEvent();
        jobLaunchTime.set(jie.getLaunchTime());
      }
      super.handle(event);
    }
  };
}
 

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
/**
 * Process one {@link HistoryEvent}
 * 
 * @param event
 *          The {@link HistoryEvent} to be processed.
 */
public void process(HistoryEvent event) {
  if (finalized) {
    throw new IllegalStateException(
        "JobBuilder.process(HistoryEvent event) called after ParsedJob built");
  }

  // these are in lexicographical order by class name.
  if (event instanceof AMStartedEvent) {
    // ignore this event as Rumen currently doesnt need this event
    //TODO Enhance Rumen to process this event and capture restarts
    return;
  } else if (event instanceof NormalizedResourceEvent) {
    // Log an warn message as NormalizedResourceEvent shouldn't be written.
    LOG.warn("NormalizedResourceEvent should be ignored in history server.");
  } else if (event instanceof JobFinishedEvent) {
    processJobFinishedEvent((JobFinishedEvent) event);
  } else if (event instanceof JobInfoChangeEvent) {
    processJobInfoChangeEvent((JobInfoChangeEvent) event);
  } else if (event instanceof JobInitedEvent) {
    processJobInitedEvent((JobInitedEvent) event);
  } else if (event instanceof JobPriorityChangeEvent) {
    processJobPriorityChangeEvent((JobPriorityChangeEvent) event);
  } else if (event instanceof JobQueueChangeEvent) {
    processJobQueueChangeEvent((JobQueueChangeEvent) event);
  } else if (event instanceof JobStatusChangedEvent) {
    processJobStatusChangedEvent((JobStatusChangedEvent) event);
  } else if (event instanceof JobSubmittedEvent) {
    processJobSubmittedEvent((JobSubmittedEvent) event);
  } else if (event instanceof JobUnsuccessfulCompletionEvent) {
    processJobUnsuccessfulCompletionEvent((JobUnsuccessfulCompletionEvent) event);
  } else if (event instanceof MapAttemptFinishedEvent) {
    processMapAttemptFinishedEvent((MapAttemptFinishedEvent) event);
  } else if (event instanceof ReduceAttemptFinishedEvent) {
    processReduceAttemptFinishedEvent((ReduceAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptFinishedEvent) {
    processTaskAttemptFinishedEvent((TaskAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptStartedEvent) {
    processTaskAttemptStartedEvent((TaskAttemptStartedEvent) event);
  } else if (event instanceof TaskAttemptUnsuccessfulCompletionEvent) {
    processTaskAttemptUnsuccessfulCompletionEvent((TaskAttemptUnsuccessfulCompletionEvent) event);
  } else if (event instanceof TaskFailedEvent) {
    processTaskFailedEvent((TaskFailedEvent) event);
  } else if (event instanceof TaskFinishedEvent) {
    processTaskFinishedEvent((TaskFinishedEvent) event);
  } else if (event instanceof TaskStartedEvent) {
    processTaskStartedEvent((TaskStartedEvent) event);
  } else if (event instanceof TaskUpdatedEvent) {
    processTaskUpdatedEvent((TaskUpdatedEvent) event);
  } else
    throw new IllegalArgumentException(
        "JobBuilder.process(HistoryEvent): unknown event type:"
        + event.getEventType() + " for event:" + event);
}
 

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
private void processJobInitedEvent(JobInitedEvent event) {
  result.setLaunchTime(event.getLaunchTime());
  result.setTotalMaps(event.getTotalMaps());
  result.setTotalReduces(event.getTotalReduces());
}
 

import org.apache.hadoop.mapreduce.jobhistory.JobInitedEvent; //导入依赖的package包/类
/**
 * Process one {@link HistoryEvent}
 * 
 * @param event
 *          The {@link HistoryEvent} to be processed.
 */
public void process(HistoryEvent event) {
  if (finalized) {
    throw new IllegalStateException(
        "JobBuilder.process(HistoryEvent event) called after ParsedJob built");
  }

  // these are in lexicographical order by class name.
  if (event instanceof AMStartedEvent) {
    // ignore this event as Rumen currently doesnt need this event
    //TODO Enhance Rumen to process this event and capture restarts
    return;
  } else if (event instanceof JobFinishedEvent) {
    processJobFinishedEvent((JobFinishedEvent) event);
  } else if (event instanceof JobInfoChangeEvent) {
    processJobInfoChangeEvent((JobInfoChangeEvent) event);
  } else if (event instanceof JobInitedEvent) {
    processJobInitedEvent((JobInitedEvent) event);
  } else if (event instanceof JobPriorityChangeEvent) {
    processJobPriorityChangeEvent((JobPriorityChangeEvent) event);
  } else if (event instanceof JobStatusChangedEvent) {
    processJobStatusChangedEvent((JobStatusChangedEvent) event);
  } else if (event instanceof JobSubmittedEvent) {
    processJobSubmittedEvent((JobSubmittedEvent) event);
  } else if (event instanceof JobUnsuccessfulCompletionEvent) {
    processJobUnsuccessfulCompletionEvent((JobUnsuccessfulCompletionEvent) event);
  } else if (event instanceof MapAttemptFinishedEvent) {
    processMapAttemptFinishedEvent((MapAttemptFinishedEvent) event);
  } else if (event instanceof ReduceAttemptFinishedEvent) {
    processReduceAttemptFinishedEvent((ReduceAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptFinishedEvent) {
    processTaskAttemptFinishedEvent((TaskAttemptFinishedEvent) event);
  } else if (event instanceof TaskAttemptStartedEvent) {
    processTaskAttemptStartedEvent((TaskAttemptStartedEvent) event);
  } else if (event instanceof TaskAttemptUnsuccessfulCompletionEvent) {
    processTaskAttemptUnsuccessfulCompletionEvent((TaskAttemptUnsuccessfulCompletionEvent) event);
  } else if (event instanceof TaskFailedEvent) {
    processTaskFailedEvent((TaskFailedEvent) event);
  } else if (event instanceof TaskFinishedEvent) {
    processTaskFinishedEvent((TaskFinishedEvent) event);
  } else if (event instanceof TaskStartedEvent) {
    processTaskStartedEvent((TaskStartedEvent) event);
  } else if (event instanceof TaskUpdatedEvent) {
    processTaskUpdatedEvent((TaskUpdatedEvent) event);
  } else
    throw new IllegalArgumentException(
        "JobBuilder.process(HistoryEvent): unknown event type");
}