* @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);
SessionInfo info = (SessionInfo)o;
tightMarshalCachedObject2(wireFormat, (DataStructure)info.getSessionId(), dataOut, bs);
}