/** * Retrieve object using using composite pkey values. * @param int $role_id @param int $permission_id * @param PropelPDO $con * @return RolePermissionBackup */ public static function retrieveByPK($role_id, $permission_id, PropelPDO $con = null) { $key = serialize(array((string) $role_id, (string) $permission_id)); if (null !== ($obj = RolePermissionBackupPeer::getInstanceFromPool($key))) { return $obj; } if ($con === null) { $con = Propel::getConnection(RolePermissionBackupPeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(RolePermissionBackupPeer::DATABASE_NAME); $criteria->add(RolePermissionBackupPeer::ROLE_ID, $role_id); $criteria->add(RolePermissionBackupPeer::PERMISSION_ID, $permission_id); $v = RolePermissionBackupPeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }