* @throws IOException thrown if an error occurs
*/
public void tightMarshal2(OpenWireFormat wireFormat, Object o, DataByteArrayOutputStream dataOut, BooleanStream bs) throws IOException {
super.tightMarshal2(wireFormat, o, dataOut, bs);
MessageId info = (MessageId)o;
tightMarshalCachedObject2(wireFormat, (DataStructure)info.getProducerId(), dataOut, bs);
tightMarshalLong2(wireFormat, info.getProducerSequenceId(), dataOut, bs);
tightMarshalLong2(wireFormat, info.getBrokerSequenceId(), dataOut, bs);
}