Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Serializer\Mapping\Factory;
Chris@0: 
Chris@0: use Psr\Cache\CacheItemPoolInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Caches metadata using a PSR-6 implementation.
Chris@0:  *
Chris@0:  * @author Kévin Dunglas <dunglas@gmail.com>
Chris@0:  */
Chris@0: class CacheClassMetadataFactory implements ClassMetadataFactoryInterface
Chris@0: {
Chris@0:     use ClassResolverTrait;
Chris@0: 
Chris@0:     /**
Chris@0:      * @var ClassMetadataFactoryInterface
Chris@0:      */
Chris@0:     private $decorated;
Chris@0: 
Chris@0:     /**
Chris@0:      * @var CacheItemPoolInterface
Chris@0:      */
Chris@0:     private $cacheItemPool;
Chris@0: 
Chris@0:     public function __construct(ClassMetadataFactoryInterface $decorated, CacheItemPoolInterface $cacheItemPool)
Chris@0:     {
Chris@0:         $this->decorated = $decorated;
Chris@0:         $this->cacheItemPool = $cacheItemPool;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getMetadataFor($value)
Chris@0:     {
Chris@0:         $class = $this->getClass($value);
Chris@0:         // Key cannot contain backslashes according to PSR-6
Chris@0:         $key = strtr($class, '\\', '_');
Chris@0: 
Chris@0:         $item = $this->cacheItemPool->getItem($key);
Chris@0:         if ($item->isHit()) {
Chris@0:             return $item->get();
Chris@0:         }
Chris@0: 
Chris@0:         $metadata = $this->decorated->getMetadataFor($value);
Chris@0:         $this->cacheItemPool->save($item->set($metadata));
Chris@0: 
Chris@0:         return $metadata;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function hasMetadataFor($value)
Chris@0:     {
Chris@0:         return $this->decorated->hasMetadataFor($value);
Chris@0:     }
Chris@0: }