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vendor/symfony/http-kernel/DependencyInjection/ResettableServicePass.php

@@ -0,0 +1,66 @@
+<?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\HttpKernel\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * @author Alexander M. Turek <me@derrabus.de>
+ */
+class ResettableServicePass implements CompilerPassInterface
+{
+    private $tagName;
+
+    public function __construct($tagName = 'kernel.reset')
+    {
+        $this->tagName = $tagName;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->has('services_resetter')) {
+            return;
+        }
+
+        $services = $methods = array();
+
+        foreach ($container->findTaggedServiceIds($this->tagName, true) as $id => $tags) {
+            $services[$id] = new Reference($id, ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE);
+            $attributes = $tags[0];
+
+            if (!isset($attributes['method'])) {
+                throw new RuntimeException(sprintf('Tag %s requires the "method" attribute to be set.', $this->tagName));
+            }
+
+            $methods[$id] = $attributes['method'];
+        }
+
+        if (empty($services)) {
+            $container->removeAlias('services_resetter');
+            $container->removeDefinition('services_resetter');
+
+            return;
+        }
+
+        $container->findDefinition('services_resetter')
+            ->setArgument(0, new IteratorArgument($services))
+            ->setArgument(1, $methods);
+    }
+}