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From Chris Richardson ...@fourc.eu>
Subject All Fruit Except Peaches (aka: "not" expressions in binding keys)
Date Thu, 29 May 2014 20:06:44 GMT
Hi,

Back in Sept 2011 Frase and Gordon had a discussion concerning negative
expressions in binding keys (
http://mail-archives.apache.org/mod_mbox/qpid-users/201109.mbox/%3C4E647F62.5020205%40redhat.com%3E
)

The conclusion was that it's not possible and that an xml exchange might
provide the required functionality.

I would like this feature for a topic exchange (the discussion above
concerned specifically header exchanges) and wonder if the situation is
still the same? I have not been able to find any other trace of this being
done/documented.

Failing the option of negative matching, a workaround I can think of is to
route all messages to a "triage" topic exchange, read all messages I
_don't_ want to a queue which will simply discard them, then use the
"alternate_exchange" option to route any remaining messages (the ones I
want) to another exchange where they can be managed as required... however
this setup seems a bit of a kludge.

Many thanks

Chris

-- 

*Chris Richardson*, System Architect
cr@fourc.eu


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