/** * Retrieve object using using composite pkey values. * @param int $group_id * @param string $role_key * @param PropelPDO $con * @return GroupRole */ public static function retrieveByPK($group_id, $role_key, PropelPDO $con = null) { $_instancePoolKey = serialize(array((string) $group_id, (string) $role_key)); if (null !== ($obj = GroupRolePeer::getInstanceFromPool($_instancePoolKey))) { return $obj; } if ($con === null) { $con = Propel::getConnection(GroupRolePeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(GroupRolePeer::DATABASE_NAME); $criteria->add(GroupRolePeer::GROUP_ID, $group_id); $criteria->add(GroupRolePeer::ROLE_KEY, $role_key); $v = GroupRolePeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }