August 2007 - jboss-dev-forums - Jboss List Archives

[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by maciej.machulak

"maciej.machulak" wrote : Hello, | | At this moment my code relies on the API provided by XTS. What I thought of is that it might be nice to have some sort of a transaction factory which would provide me with common methods for creating and enlisting participants in Business Activities. It would hide details of the underlying transaction service. I could then encapsulate implementation specific code and make the overall framework easier to extend. | But of course the framework would still rely on XTS. It will be just much easier to replace XTS with some other transaction service - possibly not related to Web Services. Maciej M. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071393#4071393 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071393

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by maciej.machulak

Hello, anonymous wrote : | anonymous wrote : | | What I would like to achieve at this moment is to slightly restructure the code and decouple it | | from the XTS (XML Transaction Service) implementation - by providing some sort of a Transaction | | Factory. | | | | I'm not entirely sure what you mean by this. At this moment my code relies on the API provided by XTS. What I thought of is that it might be nice to have some sort of a transaction factory which would provide me with common methods for creating and enlisting participants in Business Activities. It would hide details of the underlying transaction service. I could then encapsulate implementation specific code and make the overall framework easier to extend. Cheers, Maciej M. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071392#4071392 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071392

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by mark.little＠jboss.com

"maciej.machulak" wrote : Yes. As Jonathan said the proposed approach might be generalised and decoupled from Web Services | as long as it is possible to provide mechanisms to interact with the transaction coordinator. | It is. However, one step at a time. I think we all agree that what you've done so far is cool. Maybe Jonathan can even feed it into JSR 156 development? anonymous wrote : | What I would like to achieve at this moment is to slightly restructure the code and decouple it | from the XTS (XML Transaction Service) implementation - by providing some sort of a Transaction | Factory. | I'm not entirely sure what you mean by this. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071390#4071390 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071390

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by mark.little＠jboss.com

Bill, is this more in line with what you're after? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071385#4071385 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071385

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by maciej.machulak

Hi, Yes. As Jonathan said the proposed approach might be generalised and decoupled from Web Services as long as it is possible to provide mechanisms to interact with the transaction coordinator. What I would like to achieve at this moment is to slightly restructure the code and decouple it from the XTS (XML Transaction Service) implementation - by providing some sort of a Transaction Factory. In general it would also make the code easier to apply support for transactions not dependent on Web Services. BTW, thank you for the first comment:) Cheers, Maciej M. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071374#4071374 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071374

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by bill.burke＠jboss.com

so, you're saying there's no API the TM exposes? This is all WS specific? No abstractions at all? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071371#4071371 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071371

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by jhalliday

Ahh, I think I see what you are getting at: using the annotations as a general purpose system for expressing the relationship between work and its compensation, regardless of the application framework (WS, EJB, ...) or even the transaction coordination protocol (WS-BA, ...) Although the annotations are designed to work within the context of WS-BusinessActivity, the approach can certainly be generalised to any application where work may need to be undone. As long as you have some way to intercept the business method calls and a way of interacting with the transaction coordinator you should be fine. The annotations themselves should be suitable for more or less any compensation based protocol, although some variations may be needed here and there. Making the framework implementation truly pluggable in this way is outside the scope of the current effort, but it's certainly something worth looking at in the future. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071364#4071364 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071364

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by bill.burke＠jboss.com

What would I replace it with? Our regular EJB protocol over raw sockets. There's also no reason this can't be used in a non-distributed environment as well. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071324#4071324 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071324

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by jhalliday

Umm, it's called 'Metadata Support for Transactional Web Services' for a reason Bill :-) Decoupling the annotations would not be too bad, but the transaction protocol they relate to is inherently web services based. What would you replace it with? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071321#4071321 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071321

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[Design of JBoss Transaction Services] - Re: Metadata Support for Transactional Web Services

by bill.burke＠jboss.com

This is really really cool. How much work is it to decouple it from web services? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071319#4071319 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071319

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jboss-dev-forums August 2007