Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / core / lib / Drupal / Core / Routing / BcRoute.php

diff --git a/web/core/lib/Drupal/Core/Routing/BcRoute.php b/web/core/lib/Drupal/Core/Routing/BcRoute.php
new file mode 100644 (file)
index 0000000..e6a7658
--- /dev/null
+++ b/web/core/lib/Drupal/Core/Routing/BcRoute.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Drupal\Core\Routing;
+
+use Symfony\Component\Routing\Route;
+
+/**
+ * A backwards compatibility route.
+ *
+ * When a route is deprecated for another one, and backwards compatibility is
+ * provided, then it's best practice to:
+ * - not duplicate all route definition metadata, to instead have an "as empty
+ *   as possible" route
+ * - have an accompanying outbound route processor, that overwrites this empty
+ *   route definition with the redirected route's definition.
+ *
+ * @see \Drupal\rest\RouteProcessor\RestResourceGetRouteProcessorBC
+ */
+class BcRoute extends Route {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct() {
+    parent::__construct('');
+    $this->setOption('bc_route', TRUE);
+  }
+
+}