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Thread for calling simultaneously
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sreenath reddy
Ranch Hand
Joined: Sep 21, 2003
Posts: 415
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Hi
I have one of my java Bean where i wrote my logic for updating the data to DB and ......... I need to test this method with 2 simultaneous requests so that i can check for concurrency issues
I need a piece of code which invokes my java bean method twice at the same time ..There should not be any delay in between
Is this possible ??
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Reghu Ram Thanumalayan
Ranch Hand
Joined: Oct 21, 2003
Posts: 193
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Initiate the two requests in two separate threads. But the actual execution of the threads and the time slicing are OS dependent.
If you are testing concurrency issues, when the first request updated the db, the second request should be waiting to obtain the lock the first request has acquired. Hope this helps 
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Cheers,<br />Reghu Ram T<br /> <br />SCJP 1.4 - 98 %, SCBCD 1.3 - 94 %, SCMAD 1.0 - 92 %
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Stan James
(instanceof Sidekick)
Ranch Hand
Joined: Jan 29, 2003
Posts: 8791
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Are you just asking how to start threads? You can make a class that extends Runnable and put some test code in the run() method. Then this will run two copies on two new threads about as close to simultaneously as you can get:
It's notoriously difficult to make threads get into nasty contention in a test ... it usually only happens during demonstrations to your customer.
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A good question is never answered. It is not a bolt to be tightened into place but a seed to be planted and to bear more seed toward the hope of greening the landscape of the idea. John Ciardi
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subject: Thread for calling simultaneously
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