public function saveAssociationById(PersistentObject $object, $associationName, $id)
 {
     $object->retrieveAssociation($associationName);
     $associationIds = \Maestro\Utils\MUtil::parseArray($object->{'get' . $associationName}()->getId());
     //$ids = array_unique(array_merge($associationIds, MUtil::parseArray($id)));
     $classMap = $object->getClassMap();
     $commands = array();
     //$this->_saveAssociationById($object, $associationName, $commands, $classMap, $ids);
     $this->_saveAssociationById($object, $associationName, $commands, $classMap, $id);
     $this->execute($classMap->getDb(), $commands);
 }