public void readFields(DataInput in) throws IOException {
byte version = in.readByte();
switch (version) {
case 1:
majorCode = in.readByte();
minorCode = in.readShort();
args = WritableUtils.readCompressedStringArray(in);
break;
case 2:
majorCode = in.readByte();
minorCode = in.readShort();
args = WritableUtils.readStringArray(in);
break;
default:
throw new VersionMismatchException(VERSION, version);
}
}
