/** * Retrieve object using using composite pkey values. * @param string $grp_uid @param string $usr_uid * @param Connection $con * @return GroupUser */ public static function retrieveByPK($grp_uid, $usr_uid, $con = null) { if ($con === null) { $con = Propel::getConnection(self::DATABASE_NAME); } $criteria = new Criteria(); $criteria->add(GroupUserPeer::GRP_UID, $grp_uid); $criteria->add(GroupUserPeer::USR_UID, $usr_uid); $v = GroupUserPeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }