/** * Retrieve object using using composite pkey values. * @param int $camp_id @param int $passenger_id @param int $mission_id * @param PropelPDO $con * @return CampPassenger */ public static function retrieveByPK($camp_id, $passenger_id, $mission_id, PropelPDO $con = null) { $key = serialize(array((string) $camp_id, (string) $passenger_id, (string) $mission_id)); if (null !== ($obj = CampPassengerPeer::getInstanceFromPool($key))) { return $obj; } if ($con === null) { $con = Propel::getConnection(CampPassengerPeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(CampPassengerPeer::DATABASE_NAME); $criteria->add(CampPassengerPeer::CAMP_ID, $camp_id); $criteria->add(CampPassengerPeer::PASSENGER_ID, $passenger_id); $criteria->add(CampPassengerPeer::MISSION_ID, $mission_id); $v = CampPassengerPeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }