Hello everybody
I need your help.
Before to insert values in a database I have to check if some values
are not in the DB.
So I have to count the number of time this value appears in the DB.
If the number of value is greater than 0, I am supposed to stay on the
same screen But as we work
You have to setup your "change of screen" code to listen for the
onSuccess method inside you're AsynCallback.
For example
saveButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event){
someAsyncService.save(createObjectToSave(), new
AsyncCallback(){
Thank you for your reply
but with this solution it seems that I am forced to interlink several
anonymous classes... For example :
saveButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event){
someAsyncService.*checkData*(valueToCheck, new
AsyncCallback(){
Search for AbstractAsyncCallback on Google
You can have a strict queue of AsyncCallback
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It's a good idea to use a START and END event in the RPC method... But I
won't have the time to implement it...
I will think about it when I will have the time.
Thank you Jeff... I implemented it by interlinking anonymous classes...it
works. I don't like it but I won't have time to think more abou
