class DenyAdminRoutes in Drupal 8

Cache policy for routes with the '_admin_route' option set.

This policy rule denies caching of responses generated for admin routes, because admin routes have very low cache hit ratios due to low traffic and form submissions.

Hierarchy

• class \Drupal\dynamic_page_cache\PageCache\ResponsePolicy\DenyAdminRoutes implements ResponsePolicyInterface

1 string reference to 'DenyAdminRoutes'

dynamic_page_cache.services.yml in core/modules/dynamic_page_cache/dynamic_page_cache.services.yml

core/modules/dynamic_page_cache/dynamic_page_cache.services.yml

1 service uses DenyAdminRoutes

dynamic_page_cache_deny_admin_routes in core/modules/dynamic_page_cache/dynamic_page_cache.services.yml

Drupal\dynamic_page_cache\PageCache\ResponsePolicy\DenyAdminRoutes

File

core/modules/dynamic_page_cache/src/PageCache/ResponsePolicy/DenyAdminRoutes.php, line 17

Namespace

Drupal\dynamic_page_cache\PageCache\ResponsePolicy

class DenyAdminRoutes implements ResponsePolicyInterface {

  /**
   * The current route match.
   *
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  protected $routeMatch;

  /**
   * Constructs a deny admin route page cache policy.
   *
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The current route match.
   */
  public function __construct(RouteMatchInterface $route_match) {
    $this->routeMatch = $route_match;
  }

  /**
   * {@inheritdoc}
   */
  public function check(Response $response, Request $request) {
    if (($route = $this->routeMatch
      ->getRouteObject()) && $route
      ->getOption('_admin_route')) {
      return static::DENY;
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DenyAdminRoutes::$routeMatch	protected	property	The current route match.
DenyAdminRoutes::check	public	function	Determines whether it is save to store a page in the cache. Overrides ResponsePolicyInterface::check
DenyAdminRoutes::__construct	public	function	Constructs a deny admin route page cache policy.
ResponsePolicyInterface::DENY		constant	Deny storage of a page in the cache.