Interresting. But in this case, is not it the same problem for all anonymous
classes ?
Do not you have this problem with event handler ?

myButton.addClickHanler(new ClickHandler() {
  public void onClick(ClickEvent e) {...}
}

2011/9/26 Rokesh Jankie <rjan...@gmail.com>

> Almost there...
>
>
> method doSomething (){
>
>
> callback c = createCallback();
>
>
> }
>
>
> static AsyncCallback<?> callback = null;
>
> AsyncCallback<?> createCallBack(){
>
>    if (callback==null){
>      callback = new AsyncCallback<Object>() {
>                // implement onSuccess
>               //  implement onFailure
>     }
>
>     }
>    return callback;
>
> }
>
>
> Since we are keeping the callbacks stateless, this really improved
> performance on IE!
>
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