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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\PropertyInfo;
- use Psr\Cache\CacheItemPoolInterface;
- /**
- * Adds a PSR-6 cache layer on top of an extractor.
- *
- * @author Kévin Dunglas <dunglas@gmail.com>
- *
- * @final
- */
- class PropertyInfoCacheExtractor implements PropertyInfoExtractorInterface, PropertyInitializableExtractorInterface
- {
- private $propertyInfoExtractor;
- private $cacheItemPool;
- private $arrayCache = [];
- public function __construct(PropertyInfoExtractorInterface $propertyInfoExtractor, CacheItemPoolInterface $cacheItemPool)
- {
- $this->propertyInfoExtractor = $propertyInfoExtractor;
- $this->cacheItemPool = $cacheItemPool;
- }
- /**
- * {@inheritdoc}
- */
- public function isReadable(string $class, string $property, array $context = []): ?bool
- {
- return $this->extract('isReadable', [$class, $property, $context]);
- }
- /**
- * {@inheritdoc}
- */
- public function isWritable(string $class, string $property, array $context = []): ?bool
- {
- return $this->extract('isWritable', [$class, $property, $context]);
- }
- /**
- * {@inheritdoc}
- */
- public function getShortDescription(string $class, string $property, array $context = []): ?string
- {
- return $this->extract('getShortDescription', [$class, $property, $context]);
- }
- /**
- * {@inheritdoc}
- */
- public function getLongDescription(string $class, string $property, array $context = []): ?string
- {
- return $this->extract('getLongDescription', [$class, $property, $context]);
- }
- /**
- * {@inheritdoc}
- */
- public function getProperties(string $class, array $context = []): ?array
- {
- return $this->extract('getProperties', [$class, $context]);
- }
- /**
- * {@inheritdoc}
- */
- public function getTypes(string $class, string $property, array $context = []): ?array
- {
- return $this->extract('getTypes', [$class, $property, $context]);
- }
- /**
- * {@inheritdoc}
- */
- public function isInitializable(string $class, string $property, array $context = []): ?bool
- {
- return $this->extract('isInitializable', [$class, $property, $context]);
- }
- /**
- * Retrieves the cached data if applicable or delegates to the decorated extractor.
- *
- * @return mixed
- */
- private function extract(string $method, array $arguments)
- {
- try {
- $serializedArguments = serialize($arguments);
- } catch (\Exception $exception) {
- // If arguments are not serializable, skip the cache
- return $this->propertyInfoExtractor->{$method}(...$arguments);
- }
- // Calling rawurlencode escapes special characters not allowed in PSR-6's keys
- $key = rawurlencode($method.'.'.$serializedArguments);
- if (\array_key_exists($key, $this->arrayCache)) {
- return $this->arrayCache[$key];
- }
- $item = $this->cacheItemPool->getItem($key);
- if ($item->isHit()) {
- return $this->arrayCache[$key] = $item->get();
- }
- $value = $this->propertyInfoExtractor->{$method}(...$arguments);
- $item->set($value);
- $this->cacheItemPool->save($item);
- return $this->arrayCache[$key] = $value;
- }
- }
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