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