setParametersFromReflection example

  /** * Set the upcasting route objects. * * @param \Symfony\Component\Routing\Route $route * The route object to add the upcasting information onto. */
  public function setRouteOptions(Route $route) {
    if ($controller = $this->getControllerClass($route->getDefaults())) {
      // Try to use reflection.       if ($this->setParametersFromReflection($controller, $route)) {
        return;
      }
    }

    // Try to use _entity_* information on the route.     $this->setParametersFromEntityInformation($route);
  }

  /** * Gets the list of all entity types. * * @return \Drupal\Core\Entity\EntityTypeInterface[] */