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Current File : /home2/selectio/www/fms-worksuite/vendor/symfony/service-contracts/ServiceSubscriberInterface.php |
<?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 Symfony\Contracts\Service\Attribute\SubscribedService; /** * A ServiceSubscriber exposes its dependencies via the static {@link getSubscribedServices} method. * * The getSubscribedServices method returns an array of service types required by such instances, * optionally keyed by the service names used internally. Service types that start with an interrogation * mark "?" are optional, while the other ones are mandatory service dependencies. * * The injected service locators SHOULD NOT allow access to any other services not specified by the method. * * It is expected that ServiceSubscriber instances consume PSR-11-based service locators internally. * This interface does not dictate any injection method for these service locators, although constructor * injection is recommended. * * @author Nicolas Grekas <p@tchwork.com> */ interface ServiceSubscriberInterface { /** * Returns an array of service types (or {@see SubscribedService} objects) required * by such instances, optionally keyed by the service names used internally. * * For mandatory dependencies: * * * ['logger' => 'Psr\Log\LoggerInterface'] means the objects use the "logger" name * internally to fetch a service which must implement Psr\Log\LoggerInterface. * * ['loggers' => 'Psr\Log\LoggerInterface[]'] means the objects use the "loggers" name * internally to fetch an iterable of Psr\Log\LoggerInterface instances. * * ['Psr\Log\LoggerInterface'] is a shortcut for * * ['Psr\Log\LoggerInterface' => 'Psr\Log\LoggerInterface'] * * otherwise: * * * ['logger' => '?Psr\Log\LoggerInterface'] denotes an optional dependency * * ['loggers' => '?Psr\Log\LoggerInterface[]'] denotes an optional iterable dependency * * ['?Psr\Log\LoggerInterface'] is a shortcut for * * ['Psr\Log\LoggerInterface' => '?Psr\Log\LoggerInterface'] * * additionally, an array of {@see SubscribedService}'s can be returned: * * * [new SubscribedService('logger', Psr\Log\LoggerInterface::class)] * * [new SubscribedService(type: Psr\Log\LoggerInterface::class, nullable: true)] * * [new SubscribedService('http_client', HttpClientInterface::class, attributes: new Target('githubApi'))] * * @return string[]|SubscribedService[] The required service types, optionally keyed by service names */ public static function getSubscribedServices(): array; }