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<?php |
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namespace Bdf\Serializer\Metadata; |
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use Bdf\Serializer\Metadata\Driver\DriverInterface; |
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use Bdf\Serializer\Exception\UnexpectedValueException; |
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use Psr\SimpleCache\CacheInterface; |
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use ReflectionException; |
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/** |
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* MetadataFactory |
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*/ |
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class MetadataFactory implements MetadataFactoryInterface |
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{ |
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/** |
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* Metadata already resolve |
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* |
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* @var ClassMetadata[] |
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* @psalm-var class-string-map<T, ClassMetadata<T>> |
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*/ |
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private $metadata = []; |
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/** |
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* The cache for metadata |
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* |
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* @var CacheInterface|null |
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*/ |
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private $cache; |
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/** |
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* The cache id prefix |
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* |
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* @var string |
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*/ |
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private $cacheId; |
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/** |
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* Driver for loading metadata |
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* |
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* @var DriverInterface[] |
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*/ |
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private $drivers; |
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/** |
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* MetadataFactory constructor. |
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* |
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* @param array $drivers |
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* @param CacheInterface|null $cache |
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* @param string $cacheId |
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*/ |
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public function __construct(array $drivers, CacheInterface $cache = null, $cacheId = 'serializer-metadata-') |
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{ |
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$this->drivers = $drivers; |
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$this->cache = $cache; |
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$this->cacheId = $cacheId; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @psalm-suppress InvalidReturnType |
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*/ |
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public function getMetadata($className): ClassMetadata |
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{ |
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if (is_object($className)) { |
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$className = get_class($className); |
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} |
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// find from memory |
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if (isset($this->metadata[$className])) { |
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return $this->metadata[$className]; |
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} |
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// Load metadata from drivers |
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/** @psalm-suppress InvalidReturnStatement */ |
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return $this->metadata[$className] = $this->loadMetadata($className); |
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} |
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/** |
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* Create a class metadata for this object |
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* |
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* @param class-string<T> $className |
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* |
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* @return ClassMetadata<T> |
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* |
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* @template T as object |
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* |
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* @throws UnexpectedValueException if the class name has no metadata |
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*/ |
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private function loadMetadata($className): ClassMetadata |
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{ |
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if ($this->cache !== null) { |
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$cacheId = $this->getCacheKey($className); |
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if ($metadata = $this->cache->get($cacheId)) { |
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return $metadata; |
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} |
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} |
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try { |
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$reflection = new \ReflectionClass($className); |
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} catch (ReflectionException $e) { |
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throw new UnexpectedValueException('Cannot find normalizer for the class "'.$className.'"'); |
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} |
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foreach ($this->drivers as $driver) { |
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if ($metadata = $driver->getMetadataForClass($reflection)) { |
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if ($this->cache !== null) { |
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/** @psalm-suppress PossiblyUndefinedVariable */ |
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$this->cache->set($cacheId, $metadata); |
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} |
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return $metadata; |
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} |
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} |
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throw new UnexpectedValueException('Cannot find normalizer for the class "'.$className.'"'); |
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} |
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/** |
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* Get the drivers |
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* |
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* @return DriverInterface[] |
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*/ |
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public function getDrivers() |
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{ |
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return $this->drivers; |
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} |
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/** |
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* Get the cache |
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* |
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* @return CacheInterface |
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*/ |
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public function getCache(): ?CacheInterface |
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{ |
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return $this->cache; |
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} |
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/** |
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* Create the valid cache key from class name |
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* |
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* @param string $className |
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* |
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* @return string |
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*/ |
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private function getCacheKey(string $className): string |
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{ |
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return $this->cacheId.str_replace('\\', '.', $className); |
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} |
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} |
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b2pweb /
bdf-serializer
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