/**
* Return the backend ID for the given object ID.
*
* @param string $object_uid The object ID.
*
* @return string The backend ID for the object.
*/
public function getBackendId($object_id)
{
$result = $this->_data->getBackendId($object_id);
$this->_logger->debug(sprintf('Backend id for object %s is %s in %s.', $object_id, $result, $this->_data->getPath()));
return $result;
}