/**
* Returns a cache key for the given Request.
*
* @param Symfony\Components\HttpKernel\Request $request A Request instance
*
* @return string A key for the given Request
*/
public function getCacheKey(Request $request)
{
if (isset($this->keyCache[$request])) {
return $this->keyCache[$request];
}
return $this->keyCache[$request] = 'md' . sha1($request->getUri());
}
