public function getStream($id)
 {
     if (!isset($this->used[$id])) {
         $path = str_replace('redis://', '', $id);
         /**
          * @todo remove this from here
          */
         $content = \VRS\Redis\Client::getInstance()->get($path);
         $this->used[$id] = new Stream($id, $content);
     }
     return $this->used[$id];
 }
 public function write($data)
 {
     // ugly solution for FILE_APPEND
     if ($this->append) {
         $this->position = $this->size();
     }
     $size = parent::write($data);
     /**
      * @todo remove this from here
      */
     \VRS\Redis\Client::getInstance()->set($this->id, $this->content);
     return $size;
 }