public Consumer(IModel model, string queueName, ushort prefetchCount = 5)
{
_model = model;
_model.BasicQos(0, prefetchCount, false);
var consumer = new EventingBasicConsumer(_model);
MessageSource = Observable.FromEvent <EventHandler <BasicDeliverEventArgs>, BasicDeliverEventArgs>(
// Conversion.
action => (sender, e) => action(e),
// Add handler / observer.
handler =>
{
consumer.Received += handler;
if (!consumer.IsRunning)
{
_model.BasicConsume(queue: queueName, autoAck: false, consumer: consumer);
}
},
// Remove handler / observer.
handler =>
{
if (consumer.IsRunning)
{
consumer.OnCancel();
}
consumer.Received -= handler;
})
.Select(queueMessage => new Message <T>(_model, queueMessage));
}
