Re: [Resteasy-users] Distributed transactions with REST resources

[Rodrigo U. <rod...@gm...>]

Thanks a lot, Mike! Exactly what I needed.

On Tue, May 26, 2015 at 6:06 AM, Michael Musgrove <mmu...@re...>
wrote:

>  The narayana transaction manager has a rest service that creates
> [transaction] Coordinator resources. These resources map onto conventional
> ACID transactions. It is up to your service to decide what to do when the
> "transaction" is completing. However, we also have a "JTA Bridge" that will
> detect when your JAX-RS service performs JTA work (JMS, JPA etc) and
> automatically enlist those XA participants with the currently active
> coordinator.
>
> Our on-line docs [1] contains descriptions of the [REST-AT] protocol and
> our implementation of it including a small section on the bridge [2]. We
> have a number of quickstarts [3] that show it action including a quickstart
> that demonstrates how to enable and use the JTA (inbound) bridge [4].
>
> We also provide an integration API [5] that abstracts the mechanics of
> participating in REST-AT transactions - there is a high level description
> of it on our team blog [6].
>
>
> [1] http://narayana.io/documentation/
> [REST-AT] http://narayana.io/docs/specs/restat-v2-draft-8-2013-jul-29.pdf
> [2]
> http://narayana.io/docs/project/index.html#_interoperating_with_other_transaction_models
> [3] https://github.com/jbosstm/quickstart/tree/master/rts
> [4] https://github.com/jbosstm/quickstart/tree/master/rts/at/jta-service
> [5]
> http://narayana.io/docs/project/index.html#_support_for_java_based_services
> [6]
> http://jbossts.blogspot.co.uk/2013/07/out-of-box-support-for-restful.html
>
>
>  I have an web application "A" that occasionally have to insert/update
> records that belong to another application, "B". To manage this
> requirement, application "B" expose some REST endpoints that application
> "A" will call whenever it needs.
>
>  Problem is, we need to make sure that the inserts/updates occurring in
> both applications are atomic.
>
>  Does anyone have done something similar and can point a solution? I know
> that there's a debate whether transactions in REST are conceptually wrong,
> but we're willing to break the rules in this case.
>
>
> OK let's not go there then (but when you say "we're willing to break the
> rules" you are already tacitly stating on which side of the argument you
> stand).
>
> Mike
>
>
>
>  Regards!
>
>
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> --
> Michael Musgrove
> Red Hat UK Ltd, Transactions Team
> e: mmu...@re...
> t: +44 191 243 0870
>
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