/**
  **
  * Puts data into the cache.
  *
  * @param string $id       The cache id.
  * @param string $data     The cache entry/data.
  * @param int    $lifeTime The lifetime. If != 0, sets a specific lifetime for this
  *                           cache entry (0 => infinite lifeTime).
  *
  * @return bool TRUE if the entry was successfully stored in the cache, FALSE otherwise.
  */
 protected function doSave($id, $data, $lifeTime = 0)
 {
     $e = $this->getStopwatchEvent(__FUNCTION__);
     $result = parent::doSave($id, $data, $lifeTime);
     if ($e) {
         $e->stop();
     }
     return $result;
 }