/**
  * Load meta object by provided type and parameters.
  *
  * @MetaLoaderDoc(
  *     description="Article Loader loads articles from Content Repository",
  *     parameters={
  *         contentPath="SINGLE|required content path",
  *         slug="SINGLE|required content slug",
  *         pageName="COLLECTiON|name of Page for required articles"
  *     }
  * )
  *
  * @param string $type         object type
  * @param array  $parameters   parameters needed to load required object type
  * @param int    $responseType response type: single meta (LoaderInterface::SINGLE) or collection of metas (LoaderInterface::COLLECTION)
  *
  * @return Meta|Meta[]|bool false if meta cannot be loaded, a Meta instance otherwise
  *
  * @throws \Exception
  */
 public function load($type, $parameters = [], $responseType = LoaderInterface::SINGLE)
 {
     $criteria = new Criteria();
     if ($responseType === LoaderInterface::SINGLE) {
         if (array_key_exists('article', $parameters) && $parameters['article'] instanceof ArticleInterface) {
             $this->dm->detach($parameters['article']);
             $criteria->set('id', $parameters['article']->getId());
         } elseif (array_key_exists('slug', $parameters)) {
             $criteria->set('slug', $parameters['slug']);
         }
         try {
             return $this->getArticleMeta($this->articleProvider->getOneByCriteria($criteria));
         } catch (NotFoundHttpException $e) {
             return;
         }
     } elseif ($responseType === LoaderInterface::COLLECTION) {
         $currentPage = $this->context->getCurrentPage();
         $route = null;
         if (null !== $currentPage) {
             $route = $currentPage->getValues();
         }
         if (array_key_exists('route', $parameters)) {
             if (null === $route || $route instanceof RouteInterface && $route->getId() !== $parameters['route']) {
                 if (is_int($parameters['route'])) {
                     $route = $this->routeProvider->getOneById($parameters['route']);
                 } elseif (is_string($parameters['route'])) {
                     $route = $this->routeProvider->getOneByStaticPrefix($parameters['route']);
                 }
             }
         }
         if ($route instanceof RouteInterface) {
             $criteria->set('route', $route);
         } else {
             return;
         }
         $criteria = $this->applyPaginationToCriteria($criteria, $parameters);
         $articles = $this->articleProvider->getManyByCriteria($criteria);
         if ($articles->count() > 0) {
             $metaCollection = new MetaCollection();
             $metaCollection->setTotalItemsCount($this->articleProvider->getCountByCriteria($criteria));
             foreach ($articles as $article) {
                 $articleMeta = $this->getArticleMeta($article);
                 if (null !== $articleMeta) {
                     $metaCollection->add($articleMeta);
                 }
             }
             unset($articles, $route, $criteria);
             return $metaCollection;
         }
     }
     return;
 }