[infinispan-dev] Optional in listener events

[Sebastian Laskawiec]

+1. I like the idea.

Thanks
Sebastian

On Fri, Aug 19, 2016 at 10:34 PM, Radim Vansa <rvansa at redhat.com> wrote:

> Hi,
>
> as I am trying to simplify current entry wrapping and distribution code,
> I often find that listeners can get wrong previous value in the event,
> and it sometimes forces the command to load the value even if it is not
> needed for the command.
>
> I am wondering if we should change the previous value in events to
> Optional - we can usually at least detect that we cannot provide a
> reliable value (e.g. after retry due to topology change, or because the
> command did not bothered to load the previous value from cache loader)
> and return empty Optional.
>
> WDYT?
>
> Radim
>
> --
> Radim Vansa <rvansa at redhat.com>
> JBoss Performance Team
>
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