Option dataSourceOpt = obuilder.withLongName("dataSource").withRequired(true).withArgument(
abuilder.withName("dataSource").withMinimum(1).withMaximum(1).create()).withDescription(
"Location of model: hdfs|hbase").withShortName("source").create();
Group options = gbuilder.withName("Options").withOption(pathOpt).withOption(classifyOpt).withOption(
encodingOpt).withOption(analyzerOpt).withOption(defaultCatOpt).withOption(gramSizeOpt).withOption(
typeOpt).withOption(dataSourceOpt).create();
Parser parser = new Parser();
parser.setGroup(options);