class MRApps extends Apps {

  public static String getJobFile(Configuration conf, String user, 
      org.apache.hadoop.mapreduce.JobID jobId) {
    Path jobFile = new Path(MRApps.getStagingAreaDir(conf, user),
        jobId.toString() + Path.SEPARATOR + MRJobConfig.JOB_CONF_FILE);
    return jobFile.toString();
  }

}