/**
  * Get all Comercio entities.
  *
  * @View(serializerEnableMaxDepthChecks=true)
  *
  * @param ParamFetcherInterface $paramFetcher
  *
  * @return Response
  *
  * @QueryParam(name="q", nullable=true, description="Search text.")
  * @QueryParam(name="offset", requirements="\d+", nullable=true, description="Offset from which to start listing notes.")
  * @QueryParam(name="limit", requirements="\d+", default="20", description="How many notes to return.")
  * @QueryParam(name="order_by", nullable=true, array=true, description="Order by fields. Must be an array ie. &order_by[name]=ASC&order_by[description]=DESC")
  * @QueryParam(name="filters", nullable=true, array=true, description="Filter by fields. Must be an array ie. &filters[id]=3")
  * @Get("/filters/operators")
  */
 public function operatorsAction(ParamFetcherInterface $paramFetcher)
 {
     try {
         $operators = Utility::operators();
         if ($operators) {
             return array($operators);
         }
         return FOSView::create('Not Found', Codes::HTTP_NO_CONTENT);
     } catch (\Exception $e) {
         return FOSView::create($e->getMessage(), Codes::HTTP_INTERNAL_SERVER_ERROR);
     }
 }