Alex Miller wrote:
> This is great to see! I could definitely have used a Phaser now and again. I
> blogged this note btw:
>
>
http://tech.puredanger.com/2008/07/08/java7-phasers/ >
Great; we'd welcome any nice punchy cut-n-paste-n-hack-able
examples you might have for the sample usage section.
> One thing I mentioned there is that the necessity of subclassing a Phaser to
implement a barrier action smells to me. Why not use an external Runnable/Task
action ala CyclicBarrier instead?
>
Because onAdvance returns termination indicator, we'd want
a callback with three arguments (phaser, phase, parties)
so callee knows which phaser and what its state is (which
is a momentary state that will change upon return from
onAdvance). It seems a little easier all around to instead
have people do this by subclassing. Not too different in
intent than subclassing ThreadLocal for sake of initialValue.
But alternative suggestions would be welcome.
-Doug
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