123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566 |
- <?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\Contracts\Service;
- use Psr\Container\ContainerInterface;
- /**
- * Implementation of ServiceSubscriberInterface that determines subscribed services from
- * private method return types. Service ids are available as "ClassName::methodName".
- *
- * @author Kevin Bond <kevinbond@gmail.com>
- */
- trait ServiceSubscriberTrait
- {
- /** @var ContainerInterface */
- protected $container;
- /**
- * {@inheritdoc}
- */
- public static function getSubscribedServices(): array
- {
- static $services;
- if (null !== $services) {
- return $services;
- }
- $services = \is_callable(['parent', __FUNCTION__]) ? parent::getSubscribedServices() : [];
- foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
- if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) {
- continue;
- }
- if (self::class === $method->getDeclaringClass()->name && ($returnType = $method->getReturnType()) && !$returnType->isBuiltin()) {
- $services[self::class.'::'.$method->name] = '?'.($returnType instanceof \ReflectionNamedType ? $returnType->getName() : $returnType);
- }
- }
- return $services;
- }
- /**
- * @required
- */
- public function setContainer(ContainerInterface $container)
- {
- $this->container = $container;
- if (\is_callable(['parent', __FUNCTION__])) {
- return parent::setContainer($container);
- }
- return null;
- }
- }
|