Messenger API and ActiveMQ selector

[Chenxiong Qi <qc...@gmail.com>]

Hi,

I'm using proton messenger API to connect ActiveMQ to produce and
consumer messages. I notice that ActiveMQ supports a cool feature that
is to select messages by a selector. After going through proton
documentation of Python binding, I don't find information about how to
select messages with messenger API, whereas there is
proton.reactor.Selector, so my questions are

Can proton.reactor.Selector be used with messenger API? And, is there
anything I missed that messenger API has the ability already?

Thanks.

-- 
Regards,
Chenxiong Qi

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Re: Messenger API and ActiveMQ selector

[Gordon Sim <gs...@redhat.com>]

On 14/08/16 12:10, Chenxiong Qi wrote:
> Hi,
>
> I'm using proton messenger API to connect ActiveMQ to produce and
> consumer messages. I notice that ActiveMQ supports a cool feature that
> is to select messages by a selector. After going through proton
> documentation of Python binding, I don't find information about how to
> select messages with messenger API, whereas there is
> proton.reactor.Selector, so my questions are
>
> Can proton.reactor.Selector be used with messenger API?

No

> And, is there
> anything I missed that messenger API has the ability already?

In theory, you can use the pn_messenger_get_link() function to retrieve 
the pn_link_t for a subscription (after having called subscribe), and 
then set a filter on the source of that link. That function isn't 
explicitly wrapped in python though.


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