CODEWITHSUNDEEP
c#rabbitmqmicroservicesmasstransit
Shervin Ivari
Shervin Ivari

Reputation: 2501

MassTransit consume all messages from the queue

I use Masstransit RabbitMQ. As a consumer, only consume events when they are published in the queue. In the above example, how can I get all the SubmitOrder as list from the queue with a single request(consume)?

var busControl = Bus.Factory.CreateUsingRabbitMq(cfg =>
            {
                cfg.ReceiveEndpoint("order-service", e =>
                {
                    //here i want to get all SubmitOrder as list
                    e.Handler<SubmitOrder>(async context =>
                    {
                        await Console.Out.WriteLineAsync($"Submit Order Received: {context.Message.OrderId}");
                    });
                });
            });

In a job, I need to retrieve all messages from a queue, then use that list to process them. I have a gateway that publishes messages in a queue, and then I have a job that receives the messages from the queue and processes them.

Upvotes: 0

Views: 2037

Answers (1)

Chris Patterson
Chris Patterson

Reputation: 33233

That isn't generally how messaging works. With MassTransit, you can have messages delivered individually, so that each is consumed atomically. Or you can use a batch consumer to have multiple messages delivered at once.

Thinking that you can just "get all the messages" from a queue is not the way one should ever think, there could literally be millions and millions of messages in the queue. And you definitely would not process multiple SubmitOrder style messages as a batch anyway. Architecturally, it's just a really bad idea.

Upvotes: 5

Related Questions