public void set(MetaRelationN relation, DbObject neighbor, int op) throws DbException {
   super.set(relation, neighbor, op);
 }
 public void set(MetaField metaField, Object value) throws DbException {
   if (metaField.getMetaClass() == metaClass) {
     basicSet(metaField, value);
   } else super.set(metaField, value);
 }