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From Michael Gentry <mgen...@masslight.net>
Subject Re: Optimistic Locking
Date Mon, 22 Nov 2010 15:13:16 GMT
Hi Bruno,

When Cayenne throws an optimistic locking exception, it doesn't
automatically rollback changes in your objects.  The commit to the
database failed.  Whatever you had in memory stays the way you had it
and whatever was in the database is unaltered there.

mrg


On Mon, Nov 22, 2010 at 5:42 AM, Bruno René Santos <brunorene@holos.pt> wrote:
> Hello all,
>
>
>
> I have a doubt about optimistic locking. When the lock fails (concurrent access)
> the DB transaction is rollbacked but what about the ObjectEntities? Are they
> rollbacked too (with context.rollbackChanges())? The situation here is that I
> wanted to do commit retries when the lock fails but i needed to be sure that the
> information on the objects is not rollbacked but the information on the DB is.
>
>
>
> Thanx
>
> Bruno
>
>
>
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