Issue #1984626 by klausi: Fixed ResourcePluginManager should implement an...

Issue #1984626 by klausi: Fixed ResourcePluginManager should implement an AlterDecorator and others.

core/modules/rest/lib/Drupal/rest/Plugin/Type/ResourcePluginManager.php

@@ -7,10 +7,12 @@
 
 namespace Drupal\rest\Plugin\Type;
 
-use Drupal\Component\Plugin\PluginManagerBase;
 use Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator;
-use Drupal\Core\Plugin\Discovery\AnnotatedClassDiscovery;
 use Drupal\Component\Plugin\Factory\ReflectionFactory;
+use Drupal\Component\Plugin\PluginManagerBase;
+use Drupal\Core\Plugin\Discovery\AlterDecorator;
+use Drupal\Core\Plugin\Discovery\AnnotatedClassDiscovery;
+use Drupal\Core\Plugin\Discovery\CacheDecorator;
 
 /**
  * Manages discovery and instantiation of resource plugins.
@@ -26,7 +28,11 @@ class ResourcePluginManager extends PluginManagerBase {
    */
   public function __construct(\Traversable $namespaces) {
     // Create resource plugin derivatives from declaratively defined resources.
-    $this->discovery = new DerivativeDiscoveryDecorator(new AnnotatedClassDiscovery('rest/resource', $namespaces));
+    $this->discovery = new AnnotatedClassDiscovery('rest/resource', $namespaces);
+    $this->discovery = new DerivativeDiscoveryDecorator($this->discovery);
+    $this->discovery = new AlterDecorator($this->discovery, 'rest_resource');
+    $this->discovery = new CacheDecorator($this->discovery, 'rest');
+
     $this->factory = new ReflectionFactory($this->discovery);
   }
 

core/modules/rest/rest.api.php

+<?php
+
+/**
+ * @file
+ * Describes hooks provided by the RESTful Web Services module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Alter the resource plugin definitions.
+ *
+ * @param array $definitions
+ *   The collection of resource definitions.
+ */
+function hook_rest_resource_alter(&$definitions) {
+  if (isset($definitions['entity:node'])) {
+    // We want to handle REST requests regarding nodes with our own plugin
+    // class.
+    $definitions['entity:node']['class'] = 'Drupal\mymodule\Plugin\rest\resource\NodeResource';
+    // Serialized nodes should be expanded to my specific node class.
+    $definitions['entity:node']['serialization_class'] = 'Drupal\mymodule\Plugin\Core\Entity\MyNode';
+  }
+  // We don't want Views to show up in the array of plugins at all.
+  unset($definitions['entity:view']);
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */