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