Differences between IBus.Request vs IBus.PublishRequest

[Pedro Felix]

The IBus provides both the Request and PublishRequest methods. AFAIK, the major difference is the the former requires an endpoint address to be provided (E.g. RabbitMQ host and queue names). The later does not need that info, however its docs state "Using Request with an address is highly recommended".

In this context:

1) Does the PublishRequest use the same routing algorithm (e.g. exchange with the message's name when using RabbitMQ) used by Publish?

2) Why is Request preferable to PublishRequest? Don't having to know the endpoint address seems a good thing, from a client perspective. For instance, any entity that wants to change the customer address just needs to know the ChangeCustomerAddress message type and not the processor logical address. Am I missing something here?

Thanks

Pedro

[Chris Patterson]

Either way works, which is why it is available using both a send or a publish. And yes the routing is the same.

It's a matter of preference really. Some like explicit commands to be sent as commands, others prefer the dynamic routing of just using types. So your choice!

__
Chris Patterson

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[Pedro Felix]

Hi,

Thanks for the reply. One additional question: I didn't find a PublishSend (a Send using type based routing, i.e., without requiring the endpoint address). Is that because a PublishSend would be just a Publish?

Thanks

Pedro

On Friday, September 23, 2016 at 12:59:55 AM UTC+1, Chris Patterson wrote:

Either way works, which is why it is available using both a send or a publish. And yes the routing is the same.

It's a matter of preference really. Some like explicit commands to be sent as commands, others prefer the dynamic routing of just using types. So your choice!

__
Chris Patterson

On Thu, Sep 22, 2016 at 11:00 AM -0700, "Pedro Felix" <pmhs...@gmail.com> wrote:

The IBus provides both the Request and PublishRequest methods. AFAIK, the major difference is the the former requires an endpoint address to be provided (E.g. RabbitMQ host and queue names). The later does not need that info, however its docs state "Using Request with an address is highly recommended".

In this context:

1) Does the PublishRequest use the same routing algorithm (e.g. exchange with the message's name when using RabbitMQ) used by Publish?

2) Why is Request preferable to PublishRequest? Don't having to know the endpoint address seems a good thing, from a client perspective. For instance, any entity that wants to change the customer address just needs to know the ChangeCustomerAddress message type and not the processor logical address. Am I missing something here?

Thanks

Pedro

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[Chris Patterson]

That's correct. Send and Publish are different methods. They'd never be together. 

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Chris Patterson

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