[infinispan-dev] FineGrainedAtomicMap - remaining items

[Sanne Grinovero]

On 17 October 2011 10:19, Mircea Markus <mircea.markus at jboss.com> wrote:
>
> On 17 Oct 2011, at 09:13, Dan Berindei wrote:
[cut]

> 2) This one is a bit technical. What should we do if tx1 deletes entire
>
> AtomicMap while tx2 updates entries in the same Map. Should we create a
>
> new Map and apply deltas to a new fresh map *or* simply discard delta
>
> changes because entire Map has been deleted?
>
>
> I would say not simply discard the changes, but throw an exception and
> roll back tx2 as well.
>
> That would work. Also if a FGAM method is called and that FGAM has been
> deleted/replaced then the FGAM method should throw an exception.

I agree that if it's going to discard the changes then we should have
the transaction rolled back,
but are we sure if it makes sense to discard them?
I think that for the use case of OGM both approaches are fine, simply
because this scenario will not happen.

Sanne