code: public function saveAfterLoading($datas, array $identifier = array(), $shardingKey = null, &$affectedRows = null)
      {
          $this->getConnection()->set($this->getCacheKey($identifier), $datas, 0, 0);
      }
docs: @param array $datas
  @param array $identifier
  @param null  $shardingKey
  @param null  $affectedRows
  
  @throws \Exception