<?php
/*
* This file is part of the API Platform project.
*
* (c) Kévin Dunglas <dunglas@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace ApiPlatform\Core\DataProvider;
use ApiPlatform\Exception\ResourceClassNotSupportedException;
/**
* Tries each configured data provider and returns the result of the first able to handle the resource class.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
final class ChainCollectionDataProvider implements ContextAwareCollectionDataProviderInterface, RestrictedDataProviderInterface
{
use RestrictDataProviderTrait;
/**
* @param CollectionDataProviderInterface[] $dataProviders
*/
public function __construct(iterable $dataProviders)
{
$this->dataProviders = $dataProviders;
}
/**
* {@inheritdoc}
*/
public function getCollection(string $resourceClass, string $operationName = null, array $context = []): iterable
{
foreach ($this->dataProviders as $dataProvider) {
try {
if ($dataProvider instanceof RestrictedDataProviderInterface
&& !$dataProvider->supports($resourceClass, $operationName, $context)) {
continue;
}
return $dataProvider->getCollection($resourceClass, $operationName, $context);
} catch (ResourceClassNotSupportedException $e) {
@trigger_error(sprintf('Throwing a "%s" in a data provider is deprecated in favor of implementing "%s"', ResourceClassNotSupportedException::class, RestrictedDataProviderInterface::class), \E_USER_DEPRECATED);
continue;
}
}
return [];
}
}