/**
* Retrieve drm keys according to uique key
* @param string $systemName
* @param int $excludeId
* @param PropelPDO $con
* @return DrmPolicy
*/
public static function retrieveByUniqueKey($objectId, $objectType, $provider)
{
$c = new Criteria();
$c->add(DrmKeyPeer::OBJECT_ID, $objectId);
$c->add(DrmKeyPeer::OBJECT_TYPE, $objectType);
$c->add(DrmKeyPeer::PROVIDER, $provider);
return DrmKeyPeer::doSelectOne($c);
}
