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https://issues.apache.org/jira/browse/QPID-792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13217431#comment-13217431
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Rob Godfrey edited comment on QPID-792 at 2/27/12 7:31 PM:
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We should really take this discussion off this JIRA and put it on the dev-list
:-)
However... in answer to
2. One that tries to resolve an address to see if it's indeed a Queue or a
Topic (unless explicitly specified). This is a tricky one and the root cause of
the TCK failures.
I don't think that we should be trying to do this because I'm pretty sure that
it is impossible to determine what is a Queue and what is a Topic.
I think the closest we can come is to say that an address that says you have to
create a new temporary auto-delete exclusive queue for every consumer should be
treated as a topic... but the converse is not true. As far as I am concerned
the distinction between Queue and Topic is something that only the
"administrator" can determine, and the code cannot determine dynamically.
was (Author: rgodfrey):
We should really take this discussion off this JIRA and put it on the
dev-list :-)
So... in answer to
> Need to revise QueueBrowser implementation strategy
> ---------------------------------------------------
>
> Key: QPID-792
> URL: https://issues.apache.org/jira/browse/QPID-792
> Project: Qpid
> Issue Type: Improvement
> Components: Java Client
> Affects Versions: M3
> Reporter: Rajith Attapattu
> Assignee: Robbie Gemmell
> Fix For: 0.15
>
>
> While debuggin and issue I noticed the following behaviour in the
> AMQQueueBrowser class.
> 1) When we create a queue browser we do a subscribe immediately
> followed by a cancel. (And then we subscribe again when we enumerate).
> The rationale for doing so it to verify the selector is valid. This is
> very confusing for customers who look at the log and it is not appropriate
> IMHO.
> Currently we use client side selectors, so it is easy validate this. The
> above step is completely unnecessary.
> If we are to use server side selectors the right way to do is
> a)Send a subscribe with the selector
> b)Give message credits only when you call the enumerate method.
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