public function onGetInfo(OW_Event $event)
 {
     $params = $event->getParams();
     if ($params["entityType"] != self::ENTITY_TYPE) {
         return;
     }
     $posts = $this->service->findPostListByIds($params["entityIds"]);
     $out = array();
     /**
      * @var Post $post
      */
     foreach ($posts as $post) {
         $info = array();
         $info["id"] = $post->id;
         $info["userId"] = $post->authorId;
         $info["title"] = $post->title;
         $info["description"] = $post->post;
         $info["url"] = $this->service->getPostUrl($post);
         $info["timeStamp"] = $post->timestamp;
         $out[$post->id] = $info;
     }
     $event->setData($out);
     return $out;
 }