[infinispan-dev] Entry grouping feature

[Manik Surtani]

On 4 Dec 2009, at 13:11, Mindaugas Žakšauskas wrote:

> On Fri, Dec 4, 2009 at 11:36 AM, Manik Surtani <manik at jboss.org> wrote:
>>> That's more or less how OSCache grouping feature works. Does it sound
>>> like a sensible Infinispan scenario?
>> 
>> Yeah this can be tricky.  Like you said, evicting a group should cascade, and this would
>> mean some "special treatment" for such a group entry.  And as you said, many other
>> components would need to be aware of this (distribution, eviction, cache stores and
>> loaders, marshalled value interceptors) so it is pretty intrusive.
> 
> Does it mean such a feature is not realistic at all? Or is it not
> realistic as a core feature, but can be done under contrib and
> possibly used in some limited scenarios? Do you still think
> interceptors are good choice of implementing it?

I just think that it may involve refactoring many core components.  And that would be pretty disruptive.

>> I am assuming you have modelled your data as POJOs with references to one another?
> 
> Not really - as I said, the whole thing is more complex than pictured
> in my previous post. OTOH, this can possibly be refactored if I see
> light at the end of the tunnel.

Have a look, that is probably the best approach IMO.

--
Manik Surtani
manik at jboss.org
Lead, Infinispan
Lead, JBoss Cache
http://www.infinispan.org
http://www.jbosscache.org