Hi!

  It's optimistic locking, and in my opinion, it's not implemented correctly in 
WO! ;)

  http://terminalapp.net/dr-optimistic-locking/

  Have fun.

  (I'm not sure if that blog post is 100% correct, I wrote it 2 years ago, but 
it should be enough to explain the problem)

  Yours

Miguel Arroz

On 2010/05/17, at 22:18, Theodore Petrosky wrote:

> I have a small app where I create a modaldialog to edit the attributes of an 
> entity. all of the attributes are marked for 'locking' in Entity Modeler. 
> 
> I ran my app in development mode and brought up the dialog to edit the 
> attributes. 
> 
> I fired up another computer pointed the browser at the same record.
> 
> so both computers are looking at record 1 and have different values in the 
> fields.
> 
> I was expecting that that I could saved the changes from the browser on 
> machine one, and if I tried to save the changes from machine two the app 
> would throw an exception and I would see it in the logs....
> 
> to my surprise, there was no error... machine two's changes were saved over 
> machine one.
> 
> so either I am doing something wrong or I don't understand opportunistic 
> locking..
> 
> I hope someone can help straighten me out.
> 
> Ted
> 
> 
> 
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