[infinispan-dev] ISPN-78 and Large Object Support/Streaming API

[Galder Zamarreno]

----- "Manik Surtani" <manik at jboss.org> wrote:

> On 20 May 2010, at 16:14, Galder Zamarreno wrote:
> 
> > The following ties in a bit with my comment yesterday about return
> values:
> > 
> > If these two methods would always return null, you'd never be able
> to find out whether a remove/replace worked on its own. Returning
> previous value would indeed not work, but you could still return a
> marker different to null.
> 
> The problem with markers is typing.  Returning a boolean, for example,
> would make a lot of sense.  But returning anything else would in
> effect be used *as a boolean*.  Using any other return type for this
> would be abuse of the type system.

+1, a boolean would be enough.

> 
> 
> > 
> > V remove(K key); // except that this will always return a null
> > V replace(K key, V value); // except that this will always return a
> null
> > 
> > So, if remove worked cos the key was present, a marker value would
> be returned, otherwise if the key was not present, null would be
> returned.
> > 
> > Cheers,
> > 
> > ----- "Manik Surtani" <manik at jboss.org> wrote:
> > 
> >> I have put together a brief design for ISPN-78.  Please take a
> look,
> >> it is on the wiki:
> >> 
> >> 	https://community.jboss.org/wiki/LargeObjectSupport
> >> 
> >> I have also deferred ISPN-78 to 5.0.0 rather than 4.1.0 as I'd
> rather
> >> not hold up 4.1.0 for new features at this stage.  
> >> 
> >> Please have a look at the designs and let me know what you think -
> or
> >> comment on the wiki page.
> >> 
> >> Cheers
> >> Manik
> >> --
> >> Manik Surtani
> >> manik at jboss.org
> >> Lead, Infinispan
> >> Lead, JBoss Cache
> >> http://www.infinispan.org
> >> http://www.jbosscache.org
> >> 
> >> 
> >> 
> >> 
> >> 
> >> _______________________________________________
> >> infinispan-dev mailing list
> >> infinispan-dev at lists.jboss.org
> >> https://lists.jboss.org/mailman/listinfo/infinispan-dev
> > _______________________________________________
> > infinispan-dev mailing list
> > infinispan-dev at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/infinispan-dev
> 
> --
> Manik Surtani
> manik at jboss.org
> Lead, Infinispan
> Lead, JBoss Cache
> http://www.infinispan.org
> http://www.jbosscache.org
> 
> 
> 
> 
> 
> _______________________________________________
> infinispan-dev mailing list
> infinispan-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/infinispan-dev