Java JobConf.DEFAULT_QUEUE_NAME屬性代碼示例

@Override
public String getQueueName() {
  QueueName queue = job.getQueue();
  return (queue == null || queue.getValue() == null) 
         ? JobConf.DEFAULT_QUEUE_NAME 
         : queue.getValue();
}
 

/**
 * Create an event writer for the Job represented by the jobID.
 * Writes out the job configuration to the log directory.
 * This should be the first call to history for a job
 * 
 * @param jobId the jobId.
 * @param amStartedEvent
 * @throws IOException
 */
protected void setupEventWriter(JobId jobId, AMStartedEvent amStartedEvent)
    throws IOException {
  if (stagingDirPath == null) {
    LOG.error("Log Directory is null, returning");
    throw new IOException("Missing Log Directory for History");
  }

  MetaInfo oldFi = fileMap.get(jobId);
  Configuration conf = getConfig();

  // TODO Ideally this should be written out to the job dir
  // (.staging/jobid/files - RecoveryService will need to be patched)
  Path historyFile = JobHistoryUtils.getStagingJobHistoryFile(
      stagingDirPath, jobId, startCount);
  String user = UserGroupInformation.getCurrentUser().getShortUserName();
  if (user == null) {
    throw new IOException(
        "User is null while setting up jobhistory eventwriter");
  }

  String jobName = context.getJob(jobId).getName();
  EventWriter writer = (oldFi == null) ? null : oldFi.writer;
 
  Path logDirConfPath =
      JobHistoryUtils.getStagingConfFile(stagingDirPath, jobId, startCount);
  if (writer == null) {
    try {
      writer = createEventWriter(historyFile);
      LOG.info("Event Writer setup for JobId: " + jobId + ", File: "
          + historyFile);
    } catch (IOException ioe) {
      LOG.info("Could not create log file: [" + historyFile + "] + for job "
          + "[" + jobName + "]");
      throw ioe;
    }
    
    //Write out conf only if the writer isn't already setup.
    if (conf != null) {
      // TODO Ideally this should be written out to the job dir
      // (.staging/jobid/files - RecoveryService will need to be patched)
      FSDataOutputStream jobFileOut = null;
      try {
        if (logDirConfPath != null) {
          jobFileOut = stagingDirFS.create(logDirConfPath, true);
          conf.writeXml(jobFileOut);
          jobFileOut.close();
        }
      } catch (IOException e) {
        LOG.info("Failed to write the job configuration file", e);
        throw e;
      }
    }
  }

  String queueName = JobConf.DEFAULT_QUEUE_NAME;
  if (conf != null) {
    queueName = conf.get(MRJobConfig.QUEUE_NAME, JobConf.DEFAULT_QUEUE_NAME);
  }

  MetaInfo fi = new MetaInfo(historyFile, logDirConfPath, writer,
      user, jobName, jobId, amStartedEvent.getForcedJobStateOnShutDown(),
      queueName);
  fi.getJobSummary().setJobId(jobId);
  fi.getJobSummary().setJobLaunchTime(amStartedEvent.getStartTime());
  fi.getJobSummary().setJobSubmitTime(amStartedEvent.getSubmitTime());
  fi.getJobIndexInfo().setJobStartTime(amStartedEvent.getStartTime());
  fi.getJobIndexInfo().setSubmitTime(amStartedEvent.getSubmitTime());
  fileMap.put(jobId, fi);
}
 

public JobIndexInfo(long submitTime, long finishTime, String user,
    String jobName, JobId jobId, int numMaps, int numReduces, String jobStatus) {
  this(submitTime, finishTime, user, jobName, jobId, numMaps, numReduces,
       jobStatus, JobConf.DEFAULT_QUEUE_NAME);
}