* on it already. If so, use it.
*/
if ( (localData != null) && (localData.type().kind().value() != TCKind._tk_null) )
{
if ( (threadId = localData.extract_string()) == null )
throw new UNKNOWN(jtsLogger.logMesg.getString("com.arjuna.ats.internal.jts.orbspecific.jacorb.interceptors.context.invalidparam"));
}
else
threadId = ThreadUtil.getThreadId() ;