Re: wsit transaction implementation documentation

Hello Matthias

> i plan to started a project to extend wsit 1.1 with the implementation
> of the WS-BusinessActivity feature. I have inspected the code but i have
> no idea where to start with my work.
> On the project site i can't find usefull documentation about the
> ws-transaction implementation.
>
> It would be nice if anyone can tell me where to find information about
> detailed architecture and behavior of this component.

I talked with our WS-AT/Coord engineers and they do not think looking at the
WS-AT/Coord implementation will help much.  WS-Business Activity needs to be
built on top of a compensating transactional system. WS-AT is ATOMIC
transactions - built on top of Java Transaction API and JTS (which are
not capable of supporting compensating transactions).

Something like BPEL implementation would be ideal to build WS-BA on top of.
Such a system does not exist in glassfish proper.

They found a reference to how IBM implemented WS-BA in a blog by their OASIS
chair, Ian Robinson, for OASIS Transactions.

Search for WS-BA support in WAS (since WebSphere 6.1)

http://webspherecommunity.blogspot.com/2007/05/web-service-transaction-support-in-was_29.html

To summarize, WebSphere built limited support for WS-BA over an implementation
of JSR 95 J2EE Activity Service.   http://jcp.org/en/jsr/detail?id=95

We will be making our design documents externally available over time.  In the
meantime we would send you WS-AT design docs, but, again, the WS-AT engineers do
not think they will help in this effort.

Regards,
Harold

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