Re: [infinispan-dev] NotifyingFuture vs Deferred
On Oct 21, 2010, at 10:48 AM, 이희승 (Trustin Lee) wrote:
Deferred is not different from NotifyingFuture fundamentally. The
only
difference is how it handles an exceptional case and callbacks can
return another Deffered, which makes chained asynchronous operations
possible.
This difference opens a lot of possibilities for performing a series of
asynchronous operations. It can be compared to dynamic construction of
interceptor chains.
So, I'd like to propose to replacing the current NotifyingFuture
implementation with Deferred. I think the name 'Deferred' is somewhat
less intuitive, so retaining the name might be a good idea.
If you are not familiar with Deferreds, check this out:
http://twistedmatrix.com/documents/current/core/howto/deferredindepth.html
Just couple of weeks ago I was trying to make some sense of twisted and I gave up,
particularly when I started to try to understand this deferred stuff and that tutorial is
anything but a tutorial IMO.
For example, why doesn't the following get printed?
print "\n-------------------------------------------------\n"
Anyway, I need to get a better understand of deferred before I can decide whether deferred
should be implemented or not.
--
Trustin Lee - http://gleamynode.net/
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--
Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache