On 4/12/07, tnine <[EMAIL PROTECTED]> wrote:
Ok, if that's the case I seem to have completely missed the point of Message
Grouping.It states that the following semantics are applied according to
the description in the "Impliations" section here
http://activemq.apache.org/message-groups.html.
fore message 4 since there will be no
>> processing of the closing message.
>
>
> So here's the cool thing about Message Groups. The contract is 1
> thread in the entire cluster of processes & threads gets the messages
> for a single message group. So you will alw
On 4/12/07, tnine <[EMAIL PROTECTED]> wrote:
Let me give a clearer example. Lets say I have 4 "real" messages, that
contain data. I have a 5th message that contains no data but closes the
group on the input queue. I need to replicate the order of items from the
input queue to the order on the
t;>
>> As you can see, I have 2 queues for round trip communication, will this
>> cause the sequences issues I described above? If so, do you have any
>> ideas
>> on how I can get around them?
>
> Each queue is separate and wil be ordered based on the order in which
> messages (within a group) are published; so it all sounds fine to me
>
> --
>
> James
> ---
> http://radio.weblogs.com/0112098/
>
>
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On 4/12/07, tnine <[EMAIL PROTECTED]> wrote:
Excellent! Thank you for the help. I may have a race condition that I've
thought of that may cause problems, but this may be taken care of my the
grouping. If you could give me some advice, I would really appreciate it.
It pertains to the grid pro
for each group show the
>> messages on the queue?
>
> Not efficiently; you could write your own Interceptor to do just that
>
> http://activemq.apache.org/interceptors.html
>
> but you could inefficiently do it by just browsing the queue via the
> QueueBrowser on JMS to figure out the numbers etc
>
> --
>
> James
> ---
> http://radio.weblogs.com/0112098/
>
>
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On 4/10/07, tnine <[EMAIL PROTECTED]> wrote:
Hi All,
I'll be writing a process that uses parallel grid processing to process
message groups. I'm new to Active MQ and could use some help in finding
documentation or examples.
I'll be running in the following environment
Java 1.6
JBoss 4
Active
ge in the
queues. Is it possible to read the groups, and for each group show the
messages on the queue?
Thanks,
Todd
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