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Subject: RE: Transaction for interceptor
Date: Wed, 9 Jul 2008 15:02:03 +0100
Message-ID: 
 <EFBD5C230E22D74CB1317BB67979F88D059D4ABB@pine-mbpf1.global.avidww.com>
In-Reply-To: <a32f6b020807090658kb357803r6ae4254a1d6692e6@mail.gmail.com>
Thread-Topic: Transaction for interceptor
Thread-Index: Acjhy+ag8lTw3ZAOTxKYvvz3G5o0OgAADd7Q
From: "Tanja Ertl" <Tanja_Ertl@avid.com>
To: <users@directory.apache.org>

Hi Alex,

does this mean, it is not possible now, but will be in a future release?
Or can we do this ourselves using this "back links" right now?

Thanks,
Tanja

-----Original Message-----
From: akarasulu@gmail.com [mailto:akarasulu@gmail.com] On Behalf Of Alex =
Karasulu
Sent: Wednesday, July 09, 2008 3:58 PM
To: users@directory.apache.org
Subject: Re: Transaction for interceptor

This is something we actually planned to implement using back links.  =
And
yes atomicity would be needed and can be achieved.

Alex

On Wed, Jul 9, 2008 at 9:05 AM, Tanja Ertl <Tanja_Ertl@avid.com> wrote:

> Hi,
>
> with transactional I mean that the origin action and the work done in =
the
> interceptor is an *atomic* piece of work. If one fails, the other =
should not
> be succeeding, too. Like a transaction in database context.
> One of our use cases is that our users need to maintain a memberOf
> attribute, where all groups of the user are listed. This should be =
tracked
> by an interceptor. If you add a user to a group the interceptor should
> update the memberOf attribute of the user entry. This should only =
happen, if
> the original request succeeds. That's no problem, the interceptor =
could
> start the work after the nexus has executed the request successfully. =
But
> vice versa, if the interceptor fails to add the group to the memberOf
> attribute, the original request should be rolled backed, too.
>
> Bye,
> Tanja
>
>  -----Original Message-----
> From: Emmanuel Lecharny [mailto:elecharny@gmail.com] On Behalf Of =
Emmanuel
> Lecharny
> Sent: Wednesday, July 09, 2008 2:34 PM
> To: users@directory.apache.org
> Subject: Re: Transaction for interceptor
>
> Tanja Ertl wrote:
> > Hi,
> >
> >
> >
> > we would like to add our own interceptor to the ApacheDS interceptor
> > chain to do some work when new entries are added/deleted,...
> >
> That's should not be complex. We are around if you have any problem or
> questions !
> > Is there a way to make this transactional with the "real action"?
> >
> Can you define a little bit more what you mean by 'transactional" ?
>
> It would also help to know which kind of modification you will do in
> this added interceptor.
>
> Thanks !
>
> --
> --
> cordialement, regards,
> Emmanuel L=E9charny
> www.iktek.com
> directory.apache.org
>
>
>