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From "John O'Hara" <john.r.oh...@gmail.com>
Subject Re: [jira] Commented: (QPID-101) Add Queue Browsing feature to Java client (AMQSession)
Date Sat, 02 Dec 2006 23:35:10 GMT
There are so many things to do.
What's driving the urgency?  Is it an M2/M3/M4 thing?  Why?

Queue browsing is needed for the TCK, and handy for management interfaces,
but is seldom used in actual applications.  The apps we have don't need
this, so I'd like to make it less urgent.

Obviously we need to pass the TCK and be fully JMS compliant, but we can't
do everything at once (can we?).

AMQP also needs a browse interface added to the protocol.  I'd expect this
in the v0-10, in Q1.  In the meantime it could be implemented as an Qpid
specific feature, but do we need it *that* much.  Will end of Q1 do?

john

On 02/12/06, Rajith Attapattu (JIRA) <qpid-dev@incubator.apache.org> wrote:
>
>     [
> http://issues.apache.org/jira/browse/QPID-101?page=comments#action_12455059]
>
> Rajith Attapattu commented on QPID-101:
> ---------------------------------------
>
> Tejeswar Das,
>
> Can you please provide an update on this issue ?
> This is crucial for us to pass the tests.
>
> Regards,
>
> Rajith
>
> > Add Queue Browsing feature to Java client (AMQSession)
> > ------------------------------------------------------
> >
> >                 Key: QPID-101
> >                 URL: http://issues.apache.org/jira/browse/QPID-101
> >             Project: Qpid
> >          Issue Type: Bug
> >          Components: Java Client
> >            Reporter: Marnie McCormack
> >         Assigned To: Tejeswar Das
> >             Fix For: M2
> >
> >
> > Currently attempts to create a QueueBroswer result in a
> UnsupportedOperationException being thrown. This needs to be corrected. (See
> AMQSession.createBrowser methods).
> > Note that TopicSession and QueueSession implementations correctly thrown
> IllegalStateExceptiuon from these methods and do not need to be changed.
> > More info from JMS 1.1 Specification follows (see spec for more
> details):
> > 5.9 QueueBrowser
> > A client uses a QueueBrowser to look at messages on a queue without
> removing
> > them. A QueueBrowser can be created from a Session or a QueueSession.
> > The browse methods return a java.util.Enumeration that is used to scan
> the
> > queue's messages. It may be an enumeration of the entire content of a
> queue,
> > or it may contain only the messages matching a message selector.
> > Messages may be arriving and expiring while the scan is done. JMS does
> not
> > require the content of an enumeration to be a static snapshot of queue
> content.
> > Whether these changes are visible or not depends on the JMS provider.
>
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>

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