* @throws IOException thrown if an error occurs
*/
public void tightMarshal2(OpenWireFormat wireFormat, Object o, DataOutput dataOut, BooleanStream bs) throws IOException {
super.tightMarshal2(wireFormat, o, dataOut, bs);
MessageAck info = (MessageAck)o;
tightMarshalCachedObject2(wireFormat, (DataStructure)info.getDestination(), dataOut, bs);
tightMarshalCachedObject2(wireFormat, (DataStructure)info.getTransactionId(), dataOut, bs);
tightMarshalCachedObject2(wireFormat, (DataStructure)info.getConsumerId(), dataOut, bs);
dataOut.writeByte(info.getAckType());
tightMarshalNestedObject2(wireFormat, (DataStructure)info.getFirstMessageId(), dataOut, bs);
tightMarshalNestedObject2(wireFormat, (DataStructure)info.getLastMessageId(), dataOut, bs);
dataOut.writeInt(info.getMessageCount());
}