Mercurial > hg > isophonics-drupal-site
view vendor/symfony/serializer/Mapping/Loader/LoaderChain.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 1fec387a4317 |
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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\Serializer\Mapping\Loader; use Symfony\Component\Serializer\Exception\MappingException; use Symfony\Component\Serializer\Mapping\ClassMetadataInterface; /** * Calls multiple {@link LoaderInterface} instances in a chain. * * This class accepts multiple instances of LoaderInterface to be passed to the * constructor. When {@link loadClassMetadata()} is called, the same method is called * in <em>all</em> of these loaders, regardless of whether any of them was * successful or not. * * @author Bernhard Schussek <bschussek@gmail.com> * @author Kévin Dunglas <dunglas@gmail.com> */ class LoaderChain implements LoaderInterface { /** * @var LoaderInterface[] */ private $loaders; /** * Accepts a list of LoaderInterface instances. * * @param LoaderInterface[] $loaders An array of LoaderInterface instances * * @throws MappingException If any of the loaders does not implement LoaderInterface */ 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(ClassMetadataInterface $metadata) { $success = false; foreach ($this->loaders as $loader) { $success = $loader->loadClassMetadata($metadata) || $success; } return $success; } }