/**
* Up Link in Multimedia Object
*
* @param MultimediaObject $multimediaObject
* @param string $linkId
* @return MultimediaObject
*/
public function upLinkInMultimediaObject(MultimediaObject $multimediaObject, $linkId)
{
$multimediaObject->upLinkById($linkId);
$this->dm->persist($multimediaObject);
$this->dm->flush();
// NOTE Workaround to fix embedded documents modifications
$this->dm->clear(get_class($multimediaObject));
return $this->dm->find('PumukitSchemaBundle:MultimediaObject', $multimediaObject->getId());
}