public function delete($con = null) { try { $con = Propel::getConnection(); $con->begin(); //deletes generic document $genericDocument = Document::getGenericDocument($this); $genericDocument->delete(); parent::delete(); $con->commit(); Document::deleteObjCache($this); // update list cache if (get_class($parent) == "Lists") { Lists::updateListCache($parent->getListId()); } return true; } catch (Exception $e) { $con->rollback(); throw $e; } }