The difference between Async Polling and Async Callback

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From: Dong Liu <edongliu_at_gmail.com>
Date: Tue, 6 Feb 2007 15:48:52 -0600

Hi,

Can someone explain the detailed difference between Async Polling and
Async Callback of Asynchronous Invocation?

I am not sure if my understanding is correct:
According to AsyncResponseImpl<T>, if there is no AsyncHandler<T>
already set, then it is is an Async Polling case, but a
AsyncHandler<T> will still be created. If there is an AsyncHandler<T>,
it is an Async Callback case.

Cheers,

Dong

-- 
Dong Liu
http://blogs.usask.ca/dong_notes/