protected SimpleJob addJob(String[] labels, String separator) throws IOException {
        return addJob(new SimpleJob(conf, jobName), labels, separator, false, false);
    }
protected SimpleJob addJob ( String [ ] labels , String separator ) throws IOException { return addJob ( new SimpleJob ( conf , jobName ) , labels , separator , false , false ) ; }
@param labels label of input data
@param separator separator of data
@return new {@link SimpleJob} class
@throws IOException