I have a many to one mapping and i want only to deal with the foreign key of the mapped object instead of retrieving the whole mapped object...
Long id = myobjekt.getMappedObject().getId(); will retrieve the whole (large) MappedObjekt, and get the id, but i only want to deal with the id... Is there a way to get the foreign key value direct, without retrieving the mapped object...

I read it somewhere in the doku, but could not find it again... :-(

Something like this:
if ( aproxy instanceof HibernateProxy ) {
LazyInitializer li = ( ( HibernateProxy ) proxy ).getHibernateLazyInitializer();
if ( li.isUninitialized() ) {
return false;
}
else {
entity = li.getImplementation();
}
}
id in question = li.getIdentifier();