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<?php
namespace Drupal\serialization\EntityResolver;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
/**
* Resolver delegating the entity resolution to a chain of resolvers.
*/
class ChainEntityResolver implements ChainEntityResolverInterface {
/**
* The concrete resolvers.
*
* @var \Drupal\serialization\EntityResolver\EntityResolverInterface[]
*/
protected $resolvers = [];
/**
* Constructs a ChainEntityResolver object.
*
* @param \Drupal\serialization\EntityResolver\EntityResolverInterface[] $resolvers
* The array of concrete resolvers.
*/
public function __construct(array $resolvers = []) {
$this->resolvers = $resolvers;
}
/**
* {@inheritdoc}
*/
public function addResolver(EntityResolverInterface $resolver) {
$this->resolvers[] = $resolver;
}
/**
* {@inheritdoc}
*/
public function resolve(NormalizerInterface $normalizer, $data, $entity_type) {
foreach ($this->resolvers as $resolver) {
$resolved = $resolver->resolve($normalizer, $data, $entity_type);
if (isset($resolved)) {
return $resolved;
}
}
}
}
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