--- /dev/null
+<?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\Config;
+
+/**
+ * A ConfigCacheFactory implementation that validates the
+ * cache with an arbitrary set of ResourceCheckers.
+ *
+ * @author Matthias Pigulla <mp@webfactory.de>
+ */
+class ResourceCheckerConfigCacheFactory implements ConfigCacheFactoryInterface
+{
+ /**
+ * @var ResourceCheckerInterface[]
+ */
+ private $resourceCheckers = array();
+
+ /**
+ * @param ResourceCheckerInterface[] $resourceCheckers
+ */
+ public function __construct(array $resourceCheckers = array())
+ {
+ $this->resourceCheckers = $resourceCheckers;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function cache($file, $callback)
+ {
+ if (!is_callable($callback)) {
+ throw new \InvalidArgumentException(sprintf('Invalid type for callback argument. Expected callable, but got "%s".', gettype($callback)));
+ }
+
+ $cache = new ResourceCheckerConfigCache($file, $this->resourceCheckers);
+ if (!$cache->isFresh()) {
+ call_user_func($callback, $cache);
+ }
+
+ return $cache;
+ }
+}