You probably need msgpack, protobuf (and others) are what you need to look
at.

Also, think in amqp as a 'low-level message transport layer', msgpack (or
another) as 'low-level message codec layer' and develop your app without
knowing how the things are done 'under the hood'.

On Fri, Jan 10, 2020 at 3:42 PM tomt <[email protected]> wrote:

> Hello all,
>
> This is more of a usage question after a successful configuration of broker
> and other components.
>
> Is there standard way or existing library to define fields and body
> structure for particular message for either proton implementation so that a
> sender and receiver each know what the other side is talking about?  I know
> that a message itself can hold the definition of the message inside of it,
> but I don't think that information will be used on the fly.  It seems like
> a
> more common case would be to look at the sender is setting in the message
> and do the reverse.
>
> A single message back and for could be done in a manual fashion like I have
> described, but I would think that things can get to be a headache if there
> are many different message definitions that must be understood for a given
> application to function, especially if you are trying to support multiple
> languages.   Perhaps you define some catalog of messages in some meta
> language and then generate message classes out of that?
>
>
>
>
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