class DenyNodePreview

Cache policy for node preview page.

This policy rule denies caching of responses generated by the entity.node.preview route.

Hierarchy

class \Drupal\node\PageCache\DenyNodePreview implements \Drupal\Core\PageCache\ResponsePolicyInterface

Expanded class hierarchy of DenyNodePreview

1 string reference to 'DenyNodePreview'

node.services.yml in core/modules/node/node.services.yml: core/modules/node/node.services.yml

1 service uses DenyNodePreview

node.page_cache_response_policy.deny_node_preview in core/modules/node/node.services.yml: Drupal\node\PageCache\DenyNodePreview

File

core/modules/node/src/PageCache/DenyNodePreview.php, line 16

Namespace

Drupal\node\PageCache

View source

class DenyNodePreview implements ResponsePolicyInterface {
    
    /**
     * The current route match.
     *
     * @var \Drupal\Core\Routing\RouteMatchInterface
     */
    protected $routeMatch;
    
    /**
     * Constructs a deny node preview 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 $request) {
        if ($this->routeMatch
            ->getRouteName() === 'entity.node.preview') {
            return static::DENY;
        }
    }

}

Members

Title Sort descending	Modifiers	Object type	Summary	Overriden Title
DenyNodePreview::$routeMatch	protected	property	The current route match.
DenyNodePreview::check	public	function	Determines whether it is save to store a page in the cache.	Overrides ResponsePolicyInterface::check
DenyNodePreview::__construct	public	function	Constructs a deny node preview page cache policy.
ResponsePolicyInterface::DENY		constant	Deny storage of a page in the cache.