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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Queue\Middleware; |
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use Closure; |
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final class MiddlewareStack implements MessageHandlerInterface |
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{ |
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/** |
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* Contains a stack of middleware wrapped in handlers. |
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* Each handler points to the handler of middleware that will be processed next. |
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* |
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* @var MessageHandlerInterface|null stack of middleware |
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*/ |
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private ?MessageHandlerInterface $stack = null; |
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/** |
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* @param Closure[] $middlewares Middlewares. |
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* @param MessageHandlerInterface $finishHandler Fallback handler |
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* events. |
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*/ |
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public function __construct( |
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private array $middlewares, |
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private MessageHandlerInterface $finishHandler, |
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) { |
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} |
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public function handle(Request $request): Request |
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{ |
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if ($this->stack === null) { |
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$this->build(); |
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} |
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/** @psalm-suppress PossiblyNullReference */ |
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return $this->stack->handle($request); |
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} |
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private function build(): void |
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{ |
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$handler = $this->finishHandler; |
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foreach ($this->middlewares as $middleware) { |
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$handler = $this->wrap($middleware, $handler); |
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} |
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$this->stack = $handler; |
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} |
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/** |
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* Wrap handler by middlewares. |
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*/ |
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private function wrap(Closure $middlewareFactory, MessageHandlerInterface $handler): MessageHandlerInterface |
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{ |
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return new class ($middlewareFactory, $handler) implements MessageHandlerInterface { |
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private ?MiddlewareInterface $middleware = null; |
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public function __construct( |
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private Closure $middlewareFactory, |
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private MessageHandlerInterface $handler, |
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) { |
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} |
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public function handle(Request $request): Request |
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{ |
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if ($this->middleware === null) { |
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$this->middleware = ($this->middlewareFactory)(); |
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} |
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return $this->middleware->process($request, $this->handler); |
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} |
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}; |
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} |
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} |
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yiisoft /
queue
Loading history...
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.