<?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;
/**
* A ConfigCacheFactory implementation that validates the
* cache with an arbitrary set of ResourceCheckers.
*
* @author Matthias Pigulla <[email protected]>
*/
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;
}
}