On 12/1/08, Irantha <[EMAIL PROTECTED]> wrote: > Hi Paul, > > Sandesha2 Transaction is used to make consistent changes to the data store. > Changing it from a JDBC local transaction to JTA transaction will > make implementation complex and require to use a JTA aware data source for > Sandesha2 persistence. I am not aware of the complexity of doing this but I think better way is to do like this. Please see the below comment.
> A Simpler solution would be to differ Acknowledgments until JTA transaction > commits. We can use javax.transaction.Synchronization.AfterCompletion() > event to hook in acknowledgments. Sending side redelivery policy will take > care of retrying aborted transactions. I found this Research paper[1] which discuss this problem. I think here the idea is to implementing the Queued Transaction processing model to guarantee the application to application reliability. As I see you are suggesting a method similar to Direct Transaction Processing. thanks, Amila. [1]http://www.research.ibm.com/AEM/pubs/wes2003final.pdf > > WDYT? > > Thanks, > Irantha > > > > Paul Fremantle wrote: >> Irantha >> >> Sandesha2 already has a plug point for transactions. Please see: >> >> URL: >> https://svn.apache.org/repos/asf/webservices/sandesha/trunk/java/modules/core/src/main/java/org/apache/sandesha2/storage/Transaction.java >> >> And the implementations of that. >> >> Paul >> >> On Fri, Nov 28, 2008 at 9:08 AM, Irantha <[EMAIL PROTECTED]> wrote: >> >>> OMHO It would be useful to have Sandesha2 capable of sending and >>> receiving >>> ws-rm messages within a JTA transaction (similar to how JMS >>> implementations >>> support JTA transactions). >>> >>> On the sending side sandesha2 should look for an existing JTA >>> transactions >>> and participate on that transaction if one exists. >>> On the receiving side need a parameter (in module.xml) that specify >>> whether >>> to start a new JTA transaction on message receive. If that parameter is >>> specified then should start a new JTA transaction for each message >>> receive. >>> >>> What do you think? >>> >>> -Irantha >>> >>> >>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >>> >> >> >> >> > > -- Amila Suriarachchi WSO2 Inc. blog: http://amilachinthaka.blogspot.com/ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
