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