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From Gordon Sim <g...@redhat.com>
Subject Re: Initial implementation of JMS like selectors for C++ messaging client and broker
Date Tue, 19 Mar 2013 15:00:57 GMT
On 03/19/2013 02:09 PM, Andrew Stitcher wrote:
> The selectors work has now progressed quite nicely and now implements
> the entire selectors language (barring bugs of course). (Some of the
> predefined identifiers are still missing though).
> As this is the case I'm now thinking of casting this as not experimental
> in the C++ messaging client API bindings.
> So I'm going to change the actual filter used for amqp 1.0 to be the
> registered extension code or symbol (apache.org:selector-filter:string).
> However I think this makes a poor name for a convenience syntax! so I
> propose just "selector" as in:
> "queue; {link:{selector:\"color='blue' and price>100\"}}"

I can live with that.

> [possibly "jms-selector" or "apache-selector" might be better as they
> qualify the type of selector in case we end up with more than on in the
> qpid API and implementation]

I prefer the shorter, unqualified version with something more generic 
used if there is a need for any more precision or specificity.

> NOTE: This is not intended to cover all possible amqp 1.0 filter specs
> it is just a common convenience syntax to use selectors for both 0-10
> and 1.0.

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