/**
* Gets a response from the cache decorators based on `$key`. [Request_Cache] will
* iterate through each attached decorator searching for a hit. When a response
* is found, if it is still fresh it will be returned.
*
* // Search for a response
* if (($response = Request::$cache->get('foo')) instanceof Kohana_Response)
* {
* // Return the response
* return $response;
* }
*
* @param string key of the response to fetch from cache
* @return boolean|Kohana_Response
*/
public function get($key)
{
// If there are no decorators
if (!$this->cache_decorators) {
// return
return FALSE;
}
// Foreach decorator
foreach ($this->cache_decorators as $decorator) {
try {
// Try and load the response by key
$cached_response = $decorator->get($key);
// If the cache response is valid
if ($cached_response instanceof Kohana_Response and Request_Cache::validate_get($cached_response)) {
// return the response
return $cached_response;
}
} catch (Exception $e) {
// If cache exceptions should be thrown
if (!$this->silent_cache_fail) {
// Throw the exception
throw $e;
}
}
}
// return false if no response was found
return FALSE;
}
