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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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<?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\Validator\Mapping\Loader; use Symfony\Component\Validator\Exception\MappingException; use Symfony\Component\Validator\Mapping\ClassMetadata; /** * Loads validation metadata from multiple {@link LoaderInterface} instances. * * Pass the loaders when constructing the chain. Once * {@link loadClassMetadata()} is called, that method will be called on all * loaders in the chain. * * @author Bernhard Schussek <bschussek@gmail.com> */ class LoaderChain implements LoaderInterface { protected $loaders; /** * @param LoaderInterface[] $loaders The metadata loaders to use * * @throws MappingException If any of the loaders has an invalid type */ public function __construct(array $loaders) { foreach ($loaders as $loader) { if (!$loader instanceof LoaderInterface) { throw new MappingException(sprintf('Class %s is expected to implement LoaderInterface', \get_class($loader))); } } $this->loaders = $loaders; } /** * {@inheritdoc} */ public function loadClassMetadata(ClassMetadata $metadata) { $success = false; foreach ($this->loaders as $loader) { $success = $loader->loadClassMetadata($metadata) || $success; } return $success; } /** * @return LoaderInterface[] */ public function getLoaders() { return $this->loaders; } }