/** * Adds an object to the instance pool. * * Propel keeps cached copies of objects in an instance pool when they are retrieved * from the database. In some cases -- especially when you override doSelect*() * methods in your stub classes -- you may need to explicitly add objects * to the cache in order to ensure that the same objects are always returned by doSelect*() * and retrieveByPK*() calls. * * @param PcSupporter $value A PcSupporter object. * @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally). */ public static function addInstanceToPool(PcSupporter $obj, $key = null) { if (Propel::isInstancePoolingEnabled()) { if ($key === null) { $key = (string) $obj->getUserId(); } // if key === null self::$instances[$key] = $obj; } }