Re: Thread interruption

["Dave Wall" <dawall@xxxxxxxxxx>]

To throw out one more idea, could you send yourself a 'go away' queue
message.  In most cases putting a "go away" control message on a queue is a
bad idea, but maybe it would work for you.  Your catcher thread would be
released because something on the queue showed up.  It would parse the
message, realize it is a go away message, and quietly kill itself.

David Wall
AS/400 Toolbox for Java




                      Kristofor
                      Jacobson                 To:       JAVA400-L@midrange.com
                      <cuda70_383@yahoo        cc:
                      .com>                    Subject:  Thread interruption
                      Sent by:
                      java400-l-admin@m
                      idrange.com


                      12/14/2001 08:01
                      AM
                      Please respond to
                      java400-l






Hello all,
             I don't generally like my interface programs to
monitor files or data areas to determine when to shut
themselves down; I prefer to have them capable of
determining when the operator has issued ENDJOB,
ENDSBS, or PWRDWNSYS.  This prevents constant needless
I/O to some other control structure.
             I'm trying to find a way to gracefully end one of my
Java classes through the ENDJOB system command, in an
equivalent fashion to the RPG SHUTDN op-code.  Does
anyone have a method they would recommend?  I'm toying
with Thread.isInterrupted(), but I don't want to have
to check.  I prefer, if possible, to just catch an
InterruptedException or some similar mechanism because
the thread is usually in an indefinite wait on a data
queue (-1 timeout).  At this point, I've just
experimented with ending the job *CNTRLD from an
external (interactive) job and for some reason an
exception never gets issued.

             Any ideas would be greatly appreciated.  If I can get
this thing working the way I'd like, we'll have a lot
better chance at getting our shop migrated more
towards the Java world.

Thanks,

==
Kristofor Jacobson
Casino Applications Manager
Mandalay Resort Group


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