Saturday, August 25, 2012

Re: GWT call-back BUG

Hi

I could be way off here, but it looks like a SmartGWT framework bug?
You should check the SmartGWT issue list:
http://code.google.com/p/smartgwt/issues/list

On Thursday, August 23, 2012 5:26:31 PM UTC+2, ILoveGWT wrote:
Hi All,

One of the GWT Bug(Sorry, as I think It's a Bud) ate my valuable development time recently.
I was saving my 4 DynamicForm's data by using 
addData(Record record, DSCallback callback)  method.
Saving back-end method had a business validation which return RunTimeException with validation error message.
If due to validation, saving get interrupted, i didn't want to run code inside execute(DSResponse response, Object rawData, DSRequest request) 

But the issue was, neglecting there's a RunTime validation exception or not, lines inside "execute" got called which was not supposed to call when RunTime validation exception thrown.

After so many testing, wasting time, I found that the solution as using a DynamicForm object to save data with call-back would work.
That's calling 
saveData(DSCallback callback)  with execute(DSResponse response, Object rawData, DSRequest request) 
If I use this way, when RunTime validation exception thrown when save data, lines inside "execute()" not get called.

So the lesson is, 
DataSource.addData method with call-back will execute lines inside "execute()" method when RunTimeException is returned or not. (In Both time)
DynamicForm.saveData method will call-back will not execute lines inside "execute()" when RunTimeException is returned. call otherwise.

Can you experts elaborate on this. Is this a really GWT issue or is that something GWT developer purposely done.??

Thanks in advance,
Uditha

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