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From Gary Tully <gary.tu...@gmail.com>
Subject Re: Is it possible to generate message-id before sending the JMS message?
Date Fri, 23 Sep 2011 14:08:51 GMT
be careful, you need to retain the uniqueness constraints of the
component attributes of a message id. have a peek at how the message
id is generated so that you can understand the intent of each
component.

Why do you want to override the messageId?

On 23 September 2011 14:19, kaustubh khasnis <kaustubh.khasnis@gmail.com> wrote:
> Please correct me if I am wrong, but in same onSend method one could
> override the messageId as well right?
>
> We also planning to use same, are there any ill-effects of that?
>
> Thanks and regards
> Kaustubh
>
> On Thu, Sep 22, 2011 at 11:49 PM, Martin C. <martinc@gmx.at> wrote:
>
>> Hi,
>>
>> ok I see, but this is only possible if sending is done directly before
>> committing the database transaction. It wouldn't work so well if
>> sending was done "somewhere" during the process. I had hoped that I
>> could feed something along a UUID as the message ID and it would be
>> used then, but I can see how this would make certain things (like
>> duplicate detection, ...) a lot harder.
>>
>> Thanks for your answer, anyways!
>>
>> Best regards,
>> Martin
>>
>> On Thu, Sep 22, 2011 at 7:36 PM, Gary Tully <gary.tully@gmail.com> wrote:
>> > you would need to pass use your own message impl that extends
>> > ActiveMQMessage and override
>> > org.apache.activemq.command.ActiveMQMessage#onSend
>> >
>> > on that callback, you will have the messageId and be able to commit
>> > the db transaction. On return from that method the message will be
>> > sent.
>> > be sure and call super.onSend() though.
>> >
>> > On 22 September 2011 18:09, Martin C. <martinc@gmx.at> wrote:
>> >> Hi,
>> >>
>> >> I'd like to know the message ID of a message I am going to send before
>> >> actually sending it. Is this possible?
>> >>
>> >> Reason is that I want to delay sending the JMS messages until my
>> >> database transaction has been comitted, but I already want to record
>> >> the message IDs as correlation IDs in exactly this database
>> >> transaction.
>> >>
>> >> Best regards,
>> >> Martin
>> >>
>> >
>> >
>> >
>> > --
>> > http://fusesource.com
>> > http://blog.garytully.com
>> >
>>
>



-- 
http://fusesource.com
http://blog.garytully.com

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