[rabbitmq-discuss] RFC - new exchange type idea

[Jason J. W. Williams]

I think this is a great idea. It makes it easier to on onboard those who initially need a simple message queue and end up using Redis. Whatever message queue tech people start with for their first quick and dirty needs they tend to stick with. So I think this is a great idea for getting folks converted to Rabbit early. 

Yes functionally anonymous queues function the same way, but conceptually they break the idea exchanges are where you publish messages since you supply the "empty" exchange. 

Whether its a new exchange type or a change to the library API for anonymous queues, I like the direction Alvaro's going for folks getting their feet wet. 

-J

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On Apr 11, 2012, at 7:13, Alvaro Videla <videlalvaro at gmail.com> wrote:

> Hi,
> 
> I've been thinking on creating a new exchange type whose goal will be to simplify the ways messages are routed to queues.
> 
> So now for example to publish a message to a queue I need to do something like:
> 
> $ch->exchange_declare('foobar', 'direct');
> $ch->queue_declare('foobar');
> $ch->queue_bind('foobar', 'foobar');
> $ch->basic_publish($msg, 'foobar');
> 
> I want to be able to do this:
> 
> $ch->exchange_declare('foobar', 'new-exchange-type');
> $ch->basic_publish($msg, 'foobar');
> 
> So that means that by declaring a "foobar" exchange with the new type I will bind a new queue to that exchange during exchange creation on the broker side.
> 
> The queue will have similar durability properties as the exchange.
> 
> The exchange won't accept binding requests, so 1 exchange of that type will only have 1 queue bound to it.
> 
> The idea is also to not perform any query while searching for a queue where to route messages, so routing speed *should* be a bit faster than a normal direct exchange.
> 
> The exchange should act basically as a direct exchange.
> 
> Then as a user of RabbitMQ that just want to have a queue server for delayed jobs this is the most basic setup I think you can have.
> 
> BTW, I know you can publish messages to the anon exchange by using the queue name as routing key, but this requires that particular knowledge of AMQP.
> 
> What do you guys think?
> 
> -Alvaro
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