Nicholas wrote:
Something like this ?
/myapp/ATMOps/* ---> REQUIRES_NEW /myapp/AccountOps/* ---> REQUIRES /myapp/SimpleOps/* ----> NOT_SUPPORTED /myapp/FlushOps/* ---> NEVER // probably not....
successful call to: /myapp/ATMOps/completeTransfer ----> COMMIT /myapp/AccountOps/completeUpdate ----> COMMIT
redirect to:
/myapp/ATMOps/handleError ---> ROLLBACK /myapp/AccountOps/handleError ---> ROLLBACK
etc.
1. Determine the URL 2. Lookup the URL/Transaction Map (Default to NOT SUPPORTED) 3. A. If REQUIRES lookup HTTP Session and grab UserTran. If does not exist, create one and start. B. If REQUIRES_NEW, set flag for Nested tran in session, acquire new user tran and start. C. If NEVER, lookup tran in session and if tran is present and active, throw exception.
more rules here....
Sounds good. You interested?
Bill
//Nicholas
--- Bill Burke <[EMAIL PROTECTED]> wrote:
I say make it a filter. If the invocation mechanism-------------------------------------------------------
supports interception, you might as well use it. I am also
not sure if the web container will have a good joinpoint for this.
I hope somebody volunteers. This would be easy to
implement and give somebody a good introduction to coding JBoss.
Bill
Marc Fleury wrote:
Isn't that already part of the AOP framework or
are you talking about a
servlet filter?
narcf
-----Original Message----- From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
On
Behalf Of Bill Burke Sent: Monday, January 19, 2004 11:51 AM To: Jboss-Dev Subject: [JBoss-dev] URL based transaction
demarcation and
long running transations
I'd like for somebody to look into being able to
define
transaction demarcation like we can for EJB at the
servlet/jsp/war level. So, based on a URL pattern
you can
specify trans-attributes. Along with this would
be stuffing
the transaction into the HTTP session so that you
can have
long transactions that span separate HTTP
requests. I don't
think that something like this would be very hard
to do. It
is just a matter of providing a Filter and some
metadata with
jboss-web.xml. You can probably steal a lot of
code from the
transaction interceptors within our ejb stack and
invokers.
Let me know if anybody is interested and I can
give you some
more ideas.
Bill
P.S. Ivelin. I'd like to add this to the roadmap.
-- ================ Bill Burke Chief Architect JBoss Group LLC. ================
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