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[yaffs-website] / vendor / symfony / config / ResourceCheckerInterface.php

diff --git a/vendor/symfony/config/ResourceCheckerInterface.php b/vendor/symfony/config/ResourceCheckerInterface.php
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+<?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;
+
+use Symfony\Component\Config\Resource\ResourceInterface;
+
+/**
+ * Interface for ResourceCheckers.
+ *
+ * When a ResourceCheckerConfigCache instance is checked for freshness, all its associated
+ * metadata resources are passed to ResourceCheckers. The ResourceCheckers
+ * can then inspect the resources and decide whether the cache can be considered
+ * fresh or not.
+ *
+ * @author Matthias Pigulla <mp@webfactory.de>
+ * @author Benjamin Klotz <bk@webfactory.de>
+ */
+interface ResourceCheckerInterface
+{
+    /**
+     * Queries the ResourceChecker whether it can validate a given
+     * resource or not.
+     *
+     * @param ResourceInterface $metadata The resource to be checked for freshness
+     *
+     * @return bool True if the ResourceChecker can handle this resource type, false if not
+     */
+    public function supports(ResourceInterface $metadata);
+
+    /**
+     * Validates the resource.
+     *
+     * @param ResourceInterface $resource  The resource to be validated
+     * @param int               $timestamp The timestamp at which the cache associated with this resource was created
+     *
+     * @return bool True if the resource has not changed since the given timestamp, false otherwise
+     */
+    public function isFresh(ResourceInterface $resource, $timestamp);
+}