[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\Config;
  13  
  14  /**
  15   * A ConfigCacheFactory implementation that validates the
  16   * cache with an arbitrary set of ResourceCheckers.
  17   *
  18   * @author Matthias Pigulla <mp@webfactory.de>
  19   */
  20  class ResourceCheckerConfigCacheFactory implements ConfigCacheFactoryInterface
  21  {
  22      /**
  23       * @var ResourceCheckerInterface[]
  24       */
  25      private $resourceCheckers = array();
  26  
  27      /**
  28       * @param ResourceCheckerInterface[] $resourceCheckers
  29       */
  30      public function __construct(array $resourceCheckers = array())
  31      {
  32          $this->resourceCheckers = $resourceCheckers;
  33      }
  34  
  35      /**
  36       * {@inheritdoc}
  37       */
  38      public function cache($file, $callback)
  39      {
  40          if (!\is_callable($callback)) {
  41              throw new \InvalidArgumentException(sprintf('Invalid type for callback argument. Expected callable, but got "%s".', \gettype($callback)));
  42          }
  43  
  44          $cache = new ResourceCheckerConfigCache($file, $this->resourceCheckers);
  45          if (!$cache->isFresh()) {
  46              \call_user_func($callback, $cache);
  47          }
  48  
  49          return $cache;
  50      }
  51  }