Kraken\Channel\Protocol\ProtocolInterface::getOrigin PHP Метод

    public function getOrigin();

 /**
  * Send the request using passed Promise.
  *
  * @param PromiseInterface $promise
  * @return PromiseInterface
  * @resolves mixed
  * @rejects Error|Exception|string|null
  * @cancels Error|Exception|string|null
  */
 protected function send(PromiseInterface $promise)
 {
     $pid = $this->protocol->getPid();
     $origin = $this->protocol->getOrigin();
     $message = $this->message;
     $channel = $this->channel;
     if ($message instanceof Error || $message instanceof Exception) {
         $answer = $channel->createProtocol($message->getMessage())->setPid($pid, true)->setException(get_class($message), true);
     } else {
         $answer = $channel->createProtocol($message)->setPid($pid, true);
     }
     $this->channel->send($origin, $answer, Channel::MODE_BUFFER_ONLINE);
     return $promise->resolve();
 }