/**
* Creates a cache key for the request to use for caching
* [Kohana_Response] returned by [Request::execute].
*
* This is the default cache key generating logic, but can be overridden
* by setting [HTTP_Cache::cache_key_callback()].
*
* @param Request $request request to create key for
* @param callback $callback optional callback to use instead of built-in method
* @return string
*/
public function create_cache_key(Request $request, $callback = FALSE)
{
if (is_callable($callback)) {
return call_user_func($callback, $request);
} else {
return HTTP_Cache::basic_cache_key_generator($request);
}
}
