/**
* @param ActionEvent $event
*/
public function onDispatchInitialize(ActionEvent $event)
{
$bus = $event->getTarget();
if ($bus instanceof EventBus) {
$listeners = $event->getParam(EventBus::EVENT_PARAM_EVENT_LISTENERS, []);
$listeners[] = $this->messageProducer;
$event->setParam(EventBus::EVENT_PARAM_EVENT_LISTENERS, $listeners);
} else {
$event->setParam(MessageBus::EVENT_PARAM_MESSAGE_HANDLER, $this->messageProducer);
}
}
/**
* @param ActionEvent $actionEvent
*/
public function onRouteMessage(ActionEvent $actionEvent)
{
$messageName = (string) $actionEvent->getParam(MessageBus::EVENT_PARAM_MESSAGE_NAME);
if (empty($messageName)) {
return;
}
$message = $actionEvent->getParam(MessageBus::EVENT_PARAM_MESSAGE);
//if the message is marked with AsyncMessage, but had not yet been sent via async then sent to async producer
if ($message instanceof AsyncMessage && !(isset($message->metadata()['handled-async']) && $message->metadata()['handled-async'] === true)) {
//apply meta data, this is need to we can identify that the message has already been send via the async producer
$message = $message->withAddedMetadata('handled-async', true);
// update ActionEvent
$actionEvent->setParam(MessageBus::EVENT_PARAM_MESSAGE, $message);
if ($actionEvent->getTarget() instanceof CommandBus || $actionEvent->getTarget() instanceof QueryBus) {
$actionEvent->setParam(MessageBus::EVENT_PARAM_MESSAGE_HANDLER, $this->asyncMessageProducer);
} else {
//Target is an event bus so we set message producer as the only listener of the message
$actionEvent->setParam(EventBus::EVENT_PARAM_EVENT_LISTENERS, [$this->asyncMessageProducer]);
}
return;
}
// pass ActionEvent to decorated router
return $this->router->onRouteMessage($actionEvent);
}
/**
* @param ActionEvent $actionEvent
*/
public function onRoute(ActionEvent $actionEvent)
{
if ($actionEvent->getTarget() instanceof CommandBus || $actionEvent->getTarget() instanceof QueryBus) {
$this->onRouteToSingleHandler($actionEvent);
} else {
$this->onRouteEvent($actionEvent);
}
}
