I must say if this works, it has my +1000 support.
Martijn
On Wed, May 21, 2008 at 3:01 PM, Joni Freeman <[EMAIL PROTECTED]> wrote:
>
> On Wed, 2008-05-21 at 14:44 +0200, Sebastiaan van Erk wrote:
>> Martijn Dashorst wrote:
>> > Generified component touches *ALL* code in Wicket, wether you care or
>> > not. IModel<T> itself is rather contained.
>>
>> Yes, but in my opinion rather useless as well. Plus you get heaps of
>> @SuppressWarnings all over the place. Then just get rid of generics
>> completely...
>
> In which case would you need @SuppressWarnings? Consider for instance:
>
> interface IModel<T> {
> }
>
> class Component {
> private IModel<?> model;
>
> public <T> IModel<T> getModel() {
> return (IModel<T>) model;
> }
> }
>
> class MyComp extends Component {
> public MyComp() {
> IModel<Integer> model = getModel();
> }
> }
>
> This compiles and the only warning is within wicket code. There's an
> unsafe cast to IModel<T>. Of course this would mean that getModel and
> getModelObject could throw classcastexception. It's a tradeoff: simple
> and more conservative usage of generics vs. fully type safe but complex
> and verbose usage of generics.
>
> Joni
>
>
>
>
>
>
>
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