/
CachedDocumentMetadataFactory.php
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/
CachedDocumentMetadataFactory.php
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<?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\Bridge\Elasticsearch\Metadata\Document\Factory;
use ApiPlatform\Core\Bridge\Elasticsearch\Exception\IndexNotFoundException;
use ApiPlatform\Core\Bridge\Elasticsearch\Metadata\Document\DocumentMetadata;
use Psr\Cache\CacheException;
use Psr\Cache\CacheItemPoolInterface;
/**
* Caches document metadata.
*
* @experimental
*
* @author Baptiste Meyer <baptiste.meyer@gmail.com>
*/
final class CachedDocumentMetadataFactory implements DocumentMetadataFactoryInterface
{
private const CACHE_KEY_PREFIX = 'index_metadata';
private $cacheItemPool;
private $decorated;
private $localCache = [];
public function __construct(CacheItemPoolInterface $cacheItemPool, DocumentMetadataFactoryInterface $decorated)
{
$this->cacheItemPool = $cacheItemPool;
$this->decorated = $decorated;
}
/**
* {@inheritdoc}
*/
public function create(string $resourceClass): DocumentMetadata
{
if (isset($this->localCache[$resourceClass])) {
return $this->handleNotFound($this->localCache[$resourceClass], $resourceClass);
}
try {
$cacheItem = $this->cacheItemPool->getItem(self::CACHE_KEY_PREFIX.md5($resourceClass));
} catch (CacheException $e) {
return $this->handleNotFound($this->localCache[$resourceClass] = $this->decorated->create($resourceClass), $resourceClass);
}
if ($cacheItem->isHit()) {
return $this->handleNotFound($this->localCache[$resourceClass] = $cacheItem->get(), $resourceClass);
}
$documentMetadata = $this->decorated->create($resourceClass);
$cacheItem->set($documentMetadata);
$this->cacheItemPool->save($cacheItem);
return $this->handleNotFound($this->localCache[$resourceClass] = $documentMetadata, $resourceClass);
}
/**
* @throws IndexNotFoundException
*/
private function handleNotFound(DocumentMetadata $documentMetadata, string $resourceClass): DocumentMetadata
{
if (null === $documentMetadata->getIndex()) {
throw new IndexNotFoundException(sprintf('No index associated with the "%s" resource class.', $resourceClass));
}
return $documentMetadata;
}
}