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<?php
/**
* @file
* Contains \Drupal\Core\PageCache\ResponsePolicy\KillSwitch.
*/
namespace Drupal\Core\PageCache\ResponsePolicy;
use Drupal\Core\PageCache\ResponsePolicyInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
/**
* A policy evaluating to static::DENY when the kill switch was triggered.
*/
class KillSwitch implements ResponsePolicyInterface {
/**
* A flag indicating whether the kill switch was triggered.
*
* @var bool
*/
protected $kill = FALSE;
/**
* {@inheritdoc}
*/
public function check(Response $response, Request $request) {
if ($this->kill) {
return static::DENY;
}
}
/**
* Deny any page caching on the current request.
*/
public function trigger() {
$this->kill = TRUE;
}
}