*/ class SenderFactory implements Factory { private const DEFAULT_MESSAGER = 'ZeroMQ'; public function __construct( private InjectableFactory $injectableFactory, private Config $config, private Metadata $metadata ) {} public function create(): Sender { $messager = $this->config->get('webSocketMessager') ?? self::DEFAULT_MESSAGER; /** @var ?class-string $className */ $className = $this->metadata->get(['app', 'webSocket', 'messagers', $messager, 'senderClassName']); if (!$className) { throw new RuntimeException("No sender for messager '{$messager}'."); } return $this->injectableFactory->create($className); } }