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