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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <[email protected]> * * 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 ConfigCache. * * @author Matthias Pigulla <[email protected]> */ interface ConfigCacheInterface { /** * Gets the cache file path. * * @return string The cache file path */ public function getPath(); /** * Checks if the cache is still fresh. * * This check should take the metadata passed to the write() method into consideration. * * @return bool Whether the cache is still fresh */ public function isFresh(); /** * Writes the given content into the cache file. Metadata will be stored * independently and can be used to check cache freshness at a later time. * * @param string $content The content to write into the cache * @param ResourceInterface[]|null $metadata An array of ResourceInterface instances * * @throws \RuntimeException When the cache file cannot be written */ public function write($content, array $metadata = null); }