public RmqSubscription(string topic, RmqBus bus, IActor <T> actor, ReadQueue queue)
{
_topic = topic;
_bus = bus;
_queue = queue;
_actor = actor;
AttachTo(bus);
}
private IModel ProcessChannel(IBus bus, ReadQueue queue)
{
var channel = _bus.Connections.CreateChannel(queue);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
Notify(bus, ea);
};
consumer.Shutdown += (s, e) =>
{
TraceShutDownEvent(e);
};
channel.BasicQos(0, queue.PrefetchSize, false);
//the argument noAck has been renamed to autoAck from RabbitMq.Client(5.0.1)
//for reference https://github.com/rabbitmq/rabbitmq-dotnet-client/issues/255
channel.BasicConsume(queue: queue.Name, autoAck: false, consumer: consumer);
return(channel);
}
private void ReplaceOldSubscription(string topic, ISubscription subscription, ReadQueue newSettings)
{
/*create a new connection for same topic with new settings
* stop accepting new messages on old channel
*/
_pool[topic] = new Tuple <ReadQueue, ISubscription>(newSettings, subscription.CreateSubscription(newSettings));
subscription.Stop();
}
public ISubscription CreateSubscription(ReadQueue queue)
{
return(new RmqSubscription <T>(_topic, _bus, _actor, queue));
}