private String _typeArg;
private String _codecArg;
public SequenceFileFormat(Map<String, Object> args) {
args = new KeywordArgParser()
.add(TYPE_ARG, null, true, TYPE_ARG_RECORD, TYPE_ARG_BLOCK)
.add(CODEC_ARG, CODEC_ARG_DEFAULT, false, CODEC_ARG_DEFAULT, CODEC_ARG_GZIP, CODEC_ARG_BZIP2)
.parse(args);
_typeArg = (String) args.get(TYPE_ARG);
_codecArg = (String) args.get(CODEC_ARG);