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https://jira.jboss.org/browse/JBTM-790?page=com.atlassian.jira.plugin.sys...
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Andrew Dinn closed JBTM-790.
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Resolution: Done
The demo is now probably able to be used as an example in the user guide to explain in
full how the BA and AT protocols can be used to drive a web service which employs a local
transactional resource manager to store and update web service state. Modifying the XTS
programmer's guide accordingly should be performed as a follow-up task.
This is all very well for those who want to understand the protocols but most users are
likely just to want to employ an XA resource within either an AT or BA transaction so as
to avoid writing i) the resource manager itself and ii) the participant classes which
drive the resource manager. This can already be done for AT transactions using the AT-JTA
bridge code. More work is still needed to make this work for BA transactions, in
particular a way of identifying what the web service wants to do at complete, close,
cancel and compensate. This will be addressed as part of the rewriting of the BA framework
prototype.
So, once that has been done the other follow-up task to this one is to provide an
alternative version of the demo where the AT and BA web services implement the same
functionality but they use a local XA resource (e.g. a database) to provide the
transactional storage and update of the booking data.
XTS demo should fully exercise latest recovery API
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Key: JBTM-790
URL:
https://jira.jboss.org/browse/JBTM-790
Project: JBoss Transaction Manager
Issue Type: Task
Security Level: Public(Everyone can see)
Components: XTS
Affects Versions: 4.12.0
Reporter: Andrew Dinn
Assignee: Andrew Dinn
Fix For: 4.13.0
The XTS demo does not currently fully exercise the recovery API because it is faking
modifying and persisting changes of web service state via a local transactional resource.
This means it does not need to link the prepare and commit cycle for the local state to
the progress of the encompassing AT or BA web service transaction. In particular the new
API methods introduced as part of JBTM-786 are not being exercised. The demo should be
updated to employ a simple local transactional resource and to drive this resource
correctly using the new API.
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