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<?php
declare(strict_types=1);
namespace Ecodev\Felix\Api\Enum;
use BackedEnum;
use Exception;
use Laminas\ServiceManager\Factory\AbstractFactoryInterface;
use Psr\Container\ContainerInterface;
/**
* Will create GraphQL Enums for a short name or a FQCN of a PHP native backed enum.
*
* The PHP enum must live in `Application\Enum` namespace.
*/
class EnumAbstractFactory implements AbstractFactoryInterface
{
* @var array<class-string<BackedEnum>, PhpEnumType>
private array $cache = [];
public function canCreate(ContainerInterface $container, $requestedName)
$class = $this->getClass($requestedName);
return (bool) $class;
}
public function __invoke(ContainerInterface $container, $requestedName, ?array $options = null)
if (!$class) {
throw new Exception('Cannot create a PhpEnumType for a name not matching a backed enum: ' . $requestedName);
// Share the same instance between short name and FQCN
if (!array_key_exists($class, $this->cache)) {
$this->cache[$class] = new PhpEnumType($class);
return $this->cache[$class];
* @return null|class-string<BackedEnum>
private function getClass(string $requestedName): ?string
$possibilities = [
$requestedName,
'Application\Enum\\' . $requestedName,
];
foreach ($possibilities as $class) {
if (class_exists($class) && is_a($class, BackedEnum::class, true)) {
return $class;
return null;
Ecodev /
felix
