class RouteCacheContext

class RouteCacheContext implements CacheContextInterface {
  
  /**
   * The route match.
   *
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  protected $routeMatch;
  
  /**
   * Constructs a new RouteCacheContext class.
   *
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The route match.
   */
  public function __construct(RouteMatchInterface $route_match) {
    $this->routeMatch = $route_match;
  }
  
  /**
   * {@inheritdoc}
   */
  public static function getLabel() {
    return t('Route');
  }
  
  /**
   * {@inheritdoc}
   */
  public function getContext() {
    return $this->routeMatch
      ->getRouteName() . hash('sha256', serialize($this->routeMatch
      ->getRawParameters()
      ->all()));
  }
  
  /**
   * {@inheritdoc}
   */
  public function getCacheableMetadata() {
    return new CacheableMetadata();
  }

}