125 lines
3.5 KiB
PHP
125 lines
3.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\PropertyInfo;
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use Psr\Cache\CacheItemPoolInterface;
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/**
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* Adds a PSR-6 cache layer on top of an extractor.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*
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* @final
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*/
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class PropertyInfoCacheExtractor implements PropertyInfoExtractorInterface, PropertyInitializableExtractorInterface
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{
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private $propertyInfoExtractor;
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private $cacheItemPool;
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private $arrayCache = [];
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public function __construct(PropertyInfoExtractorInterface $propertyInfoExtractor, CacheItemPoolInterface $cacheItemPool)
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{
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$this->propertyInfoExtractor = $propertyInfoExtractor;
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$this->cacheItemPool = $cacheItemPool;
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}
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/**
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* {@inheritdoc}
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*/
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public function isReadable(string $class, string $property, array $context = []): ?bool
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{
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return $this->extract('isReadable', [$class, $property, $context]);
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}
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/**
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* {@inheritdoc}
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*/
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public function isWritable(string $class, string $property, array $context = []): ?bool
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{
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return $this->extract('isWritable', [$class, $property, $context]);
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}
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/**
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* {@inheritdoc}
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*/
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public function getShortDescription(string $class, string $property, array $context = []): ?string
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{
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return $this->extract('getShortDescription', [$class, $property, $context]);
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}
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/**
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* {@inheritdoc}
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*/
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public function getLongDescription(string $class, string $property, array $context = []): ?string
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{
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return $this->extract('getLongDescription', [$class, $property, $context]);
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}
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/**
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* {@inheritdoc}
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*/
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public function getProperties(string $class, array $context = []): ?array
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{
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return $this->extract('getProperties', [$class, $context]);
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}
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/**
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* {@inheritdoc}
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*/
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public function getTypes(string $class, string $property, array $context = []): ?array
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{
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return $this->extract('getTypes', [$class, $property, $context]);
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}
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/**
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* {@inheritdoc}
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*/
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public function isInitializable(string $class, string $property, array $context = []): ?bool
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{
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return $this->extract('isInitializable', [$class, $property, $context]);
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}
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/**
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* Retrieves the cached data if applicable or delegates to the decorated extractor.
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*
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* @return mixed
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*/
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private function extract(string $method, array $arguments)
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{
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try {
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$serializedArguments = serialize($arguments);
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} catch (\Exception $exception) {
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// If arguments are not serializable, skip the cache
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return $this->propertyInfoExtractor->{$method}(...$arguments);
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}
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// Calling rawurlencode escapes special characters not allowed in PSR-6's keys
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$key = rawurlencode($method.'.'.$serializedArguments);
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if (\array_key_exists($key, $this->arrayCache)) {
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return $this->arrayCache[$key];
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}
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$item = $this->cacheItemPool->getItem($key);
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if ($item->isHit()) {
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return $this->arrayCache[$key] = $item->get();
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}
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$value = $this->propertyInfoExtractor->{$method}(...$arguments);
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$item->set($value);
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$this->cacheItemPool->save($item);
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return $this->arrayCache[$key] = $value;
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}
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}
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