<?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 ConfigCache.
*
* @author Matthias Pigulla <mp@webfactory.de>
*/
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);
}