public void addMapsIdMapping(DatabaseMapping mapping){
  mapsIdMappings.add(mapping);
}

public void addMapsIdMapping ( DatabaseMapping mapping ) { mapsIdMappings . add ( mapping ) ; }
internal : in jpa users may specify a maps id mapping on a shared embeddable descriptor . these mappings need to be set to read - only at initialize time , after the reference descriptor is cloned .
