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The moose likes Developer Certification (SCJD/OCMJD) and the fly likes update-locking Big Moose Saloon
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JavaRanch » Java Forums » Certification » Developer Certification (SCJD/OCMJD)
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Goran Borozan

Joined: May 26, 2004
Posts: 14
Hi !
In my GUI i hava a pop-up dialog that allow the user to book room.
My question is: Is it better to try to lock when the pop-up window creates(risk that the user forget the window and tge record is locked) or lock when the user is finished with writing the owner name(risk for overwriting)?


SCJP, SCJD, SCA (in progress)
Serkan Yazici
Ranch Hand

Joined: Apr 24, 2004
Posts: 33
Hi Goran,

I think it would be better the minimise the amount of time after locking a record. In my project, I didn't display a dialog for booking (handled on the main gui) but if I did; I would do the booking after the dialog but also check for record inconsistency (making sure the record key is not changed).

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I agree. Here's the link:
subject: update-locking
jQuery in Action, 3rd edition