Re: Java Executor framework and blocking IO.
The Dude wrote:
On Sep 11, 2:06 pm, Roedy Green <see_webs...@mindprod.com.invalid>
On Fri, 11 Sep 2009 00:32:45 -0700 (PDT), The Dude
<matthewtyle...@googlemail.com> wrote, quoted or indirectly quoted
someone who said :
Can anyone tell me if it possible to cancel blocking operations in the
Executor framework or am I going to have to stick with my current
working (but less elegant) solution of providine an explicit cancel
method in my runnable and calling that when I want to stop the thread?
If you just kill a thread without it's co-operation, you are asking
for trouble -- unclosed files, undisposed resources etc.
It is better if you set a flag that your task periodically checks, and
if it see it, shuts down gracefully. It will not die as quickly. It
will not die if it has gone insane.
Roedy Green Canadian Mind Productshttp://mindprod.com
"The coolest thing to do with your data will be thought of by someone else."
~ Rufus Pollock (born: 1978 age: 31) in Talk.
That is what I wanted to do however because I am submitting a Runnable
and cancelling the thread from a Future I have no way to set a
'cancelled' flag. I also cannot guarantee that I can periodically
check any flag including the interrupted status of the thread because
I may be in a blocking operation such as a socket read that may never
As suggested I am looking at nio non blocking operations however I
would still love to know if there is a solution to this problem.
Close the socket!
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