/**
  * @param string $name
  * @param Studio $studio
  * @return Performer
  */
 public static function createByName($name, Studio $studio = null)
 {
     $do = new PerformerDataObject();
     $do->setName($name);
     $do->setStatus('A');
     $do->setStudioId(mt_rand());
     $performer = new Performer($do);
     if (is_null($studio)) {
         $studio = StudioFactory::createById($do->getStudioId());
     }
     $performer->setStudio($studio);
     return $performer;
 }