*/ class SenderFactory implements Factory { private $injectableFactory; private $config; private $metadata; private const DEFAULT_MESSAGER = 'ZeroMQ'; public function __construct(InjectableFactory $injectableFactory, Config $config, Metadata $metadata) { $this->injectableFactory = $injectableFactory; $this->config = $config; $this->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); } }