Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/serializer/Mapping/Loader/AnnotationLoader.php

@@ -0,0 +1,99 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Mapping\Loader;
+
+use Doctrine\Common\Annotations\Reader;
+use Symfony\Component\Serializer\Annotation\Groups;
+use Symfony\Component\Serializer\Exception\MappingException;
+use Symfony\Component\Serializer\Mapping\AttributeMetadata;
+use Symfony\Component\Serializer\Mapping\ClassMetadataInterface;
+
+/**
+ * Annotation loader.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class AnnotationLoader implements LoaderInterface
+{
+    /**
+     * @var Reader
+     */
+    private $reader;
+
+    /**
+     * @param Reader $reader
+     */
+    public function __construct(Reader $reader)
+    {
+        $this->reader = $reader;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function loadClassMetadata(ClassMetadataInterface $classMetadata)
+    {
+        $reflectionClass = $classMetadata->getReflectionClass();
+        $className = $reflectionClass->name;
+        $loaded = false;
+
+        $attributesMetadata = $classMetadata->getAttributesMetadata();
+
+        foreach ($reflectionClass->getProperties() as $property) {
+            if (!isset($attributeMetadata[$property->name])) {
+                $attributesMetadata[$property->name] = new AttributeMetadata($property->name);
+                $classMetadata->addAttributeMetadata($attributesMetadata[$property->name]);
+            }
+
+            if ($property->getDeclaringClass()->name === $className) {
+                foreach ($this->reader->getPropertyAnnotations($property) as $groups) {
+                    if ($groups instanceof Groups) {
+                        foreach ($groups->getGroups() as $group) {
+                            $attributesMetadata[$property->name]->addGroup($group);
+                        }
+                    }
+
+                    $loaded = true;
+                }
+            }
+        }
+
+        foreach ($reflectionClass->getMethods() as $method) {
+            if ($method->getDeclaringClass()->name === $className) {
+                foreach ($this->reader->getMethodAnnotations($method) as $groups) {
+                    if ($groups instanceof Groups) {
+                        if (preg_match('/^(get|is|has|set)(.+)$/i', $method->name, $matches)) {
+                            $attributeName = lcfirst($matches[2]);
+
+                            if (isset($attributesMetadata[$attributeName])) {
+                                $attributeMetadata = $attributesMetadata[$attributeName];
+                            } else {
+                                $attributesMetadata[$attributeName] = $attributeMetadata = new AttributeMetadata($attributeName);
+                                $classMetadata->addAttributeMetadata($attributeMetadata);
+                            }
+
+                            foreach ($groups->getGroups() as $group) {
+                                $attributeMetadata->addGroup($group);
+                            }
+                        } else {
+                            throw new MappingException(sprintf('Groups on "%s::%s" cannot be added. Groups can only be added on methods beginning with "get", "is", "has" or "set".', $className, $method->name));
+                        }
+                    }
+
+                    $loaded = true;
+                }
+            }
+        }
+
+        return $loaded;
+    }
+}