Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\serialization\EventSubscriber;
Chris@0: 
Chris@0: use Drupal\Core\Config\ConfigCrudEvent;
Chris@0: use Drupal\Core\Config\ConfigEvents;
Chris@0: use Drupal\Core\DrupalKernelInterface;
Chris@0: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Config event subscriber to rebuild the container when BC config is saved.
Chris@0:  */
Chris@0: class BcConfigSubscriber implements EventSubscriberInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The Drupal Kernel.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\DrupalKernelInterface
Chris@0:    */
Chris@0:   protected $kernel;
Chris@0: 
Chris@0:   /**
Chris@0:    * BcConfigSubscriber constructor.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\DrupalKernelInterface $kernel
Chris@0:    *   The Drupal Kernel.
Chris@0:    */
Chris@0:   public function __construct(DrupalKernelInterface $kernel) {
Chris@0:     $this->kernel = $kernel;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function getSubscribedEvents() {
Chris@0:     $events[ConfigEvents::SAVE][] = 'onConfigSave';
Chris@0:     return $events;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Invalidates the service container if serialization BC config gets updated.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Config\ConfigCrudEvent $event
Chris@0:    */
Chris@0:   public function onConfigSave(ConfigCrudEvent $event) {
Chris@0:     $saved_config = $event->getConfig();
Chris@0: 
Chris@0:     if ($saved_config->getName() === 'serialization.settings') {
Chris@0:       if ($event->isChanged('bc_primitives_as_strings') || $event->isChanged('bc_timestamp_normalizer_unix')) {
Chris@0:         $this->kernel->invalidateContainer();
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }