/usr/share/php/Symfony/Component/Serializer/Mapping/Factory/ClassMetadataFactory.php is in php-symfony-serializer 3.4.6+dfsg-1.
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/*
* 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\Serializer\Mapping\Factory;
use Doctrine\Common\Cache\Cache;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
use Symfony\Component\Serializer\Mapping\ClassMetadata;
use Symfony\Component\Serializer\Mapping\Loader\LoaderInterface;
/**
* Returns a {@link ClassMetadata}.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
class ClassMetadataFactory implements ClassMetadataFactoryInterface
{
use ClassResolverTrait;
private $loader;
private $cache;
private $loadedClasses;
public function __construct(LoaderInterface $loader, Cache $cache = null)
{
$this->loader = $loader;
$this->cache = $cache;
if (null !== $cache) {
@trigger_error(sprintf('Passing a Doctrine Cache instance as 2nd parameter of the "%s" constructor is deprecated since Symfony 3.1. This parameter will be removed in Symfony 4.0. Use the "%s" class instead.', __CLASS__, CacheClassMetadataFactory::class), E_USER_DEPRECATED);
}
}
/**
* {@inheritdoc}
*/
public function getMetadataFor($value)
{
$class = $this->getClass($value);
if (isset($this->loadedClasses[$class])) {
return $this->loadedClasses[$class];
}
if ($this->cache && ($this->loadedClasses[$class] = $this->cache->fetch($class))) {
return $this->loadedClasses[$class];
}
$classMetadata = new ClassMetadata($class);
$this->loader->loadClassMetadata($classMetadata);
$reflectionClass = $classMetadata->getReflectionClass();
// Include metadata from the parent class
if ($parent = $reflectionClass->getParentClass()) {
$classMetadata->merge($this->getMetadataFor($parent->name));
}
// Include metadata from all implemented interfaces
foreach ($reflectionClass->getInterfaces() as $interface) {
$classMetadata->merge($this->getMetadataFor($interface->name));
}
if ($this->cache) {
$this->cache->save($class, $classMetadata);
}
return $this->loadedClasses[$class] = $classMetadata;
}
/**
* {@inheritdoc}
*/
public function hasMetadataFor($value)
{
try {
$this->getClass($value);
return true;
} catch (InvalidArgumentException $invalidArgumentException) {
// Return false in case of exception
}
return false;
}
}
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