/**
  * @see parent::store
  */
 function store()
 {
     if (!$this->_id) {
         $transformation = new CEAITransformation();
         $transformation->actor_id = $this->actor_id;
         $transformation->actor_class = $this->actor_class;
         $this->rank = $transformation->countMatchingList() + 1;
     }
     return parent::store();
 }