+1 PS. Type safety is not there if a dynamic proxy is used (ie hibernate persistent collections) Igor
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Phil Kulak > Sent: Monday, July 25, 2005 5:08 PM > To: [email protected] > Subject: Re: [Wicket-user] lists > > I would love to see IModel defined as IModel<T>, personally. > But I don't know how that would shake out for < 1.5 people. > > On 7/25/05, Johan Compagner <[EMAIL PROTECTED]> wrote: > > with 1.5 we could do compile time checking in the > constructor of listview: > > > > something like: > > public ListView(final String id, final IModel<List> model) > > > > Then that type safety is there. We only need then a maybe > replacement > > for List. > > > > johan > > > > Igor Vaynberg wrote: > > >>> Once again, I don't understand the flexibility issue. > We were not > > >>> talking about replacing the imodel interface, but the list > > >>> > > >> interface, > > >> > > >>> both approaches can be wrapped in an imodel. What > > >>> > > >> flexibility do you lose? > > >> > > >>> > > >>> > > >>> > > >> Actually, I was. Having such a nested specific interface nested > > >> would maybe solve one problem - the problem that in some > cases List > > >> isn't the ideal interface for ListView - but I see more issues > > >> here. As one user said last week, it wasn't immediately clear to > > >> him that ListView's models need to return List > instances. He found > > >> out not until runtime testing it. This is where I could > see space > > >> for improvement: by having a special purpose model (e.g. like I > > >> proposed, but combined with your suggestion it wouldn't force/ > > >> return a list but another interface, or it would just /be/ that > > >> interface) we would enhance type safety. We could prevent users > > >> from using models that return wrong kinds of objects. > > >> We can't prevent that now until runtime. On top of that, > there was > > >> the discussion about whether ListView and the List > interface were > > >> good matches. > > >> > > > > > > I also do not think forcing a specific model interface onto a > > > component at such a high level is a good idea. You cannot > do all the > > > type checking at compile time, at some point the > programmer needs to > > > know what they are doing. What I was trying to achieve is > a better > > > low level interface that makes it much easier to provide your own > > > implementation if the default one doesn't work for you. > > > > > > Igor > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------- > > > SF.Net email is sponsored by: Discover Easy Linux Migration > > > Strategies from IBM. Find simple to follow Roadmaps, > straightforward > > > articles, informative Webcasts and more! Get everything > you need to > > > get up to speed, fast. > > > http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click > > > _______________________________________________ > > > Wicket-user mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/wicket-user > > > > > > > > > > > > ------------------------------------------------------- > > SF.Net email is sponsored by: Discover Easy Linux Migration > Strategies > > from IBM. Find simple to follow Roadmaps, straightforward articles, > > informative Webcasts and more! Get everything you need to get up to > > speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click > > _______________________________________________ > > Wicket-user mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/wicket-user > > > > > ------------------------------------------------------- > SF.Net email is sponsored by: Discover Easy Linux Migration > Strategies from IBM. Find simple to follow Roadmaps, > straightforward articles, informative Webcasts and more! Get > everything you need to get up to speed, fast. > http://ads.osdn.com/?ad_idt77&alloc_id492&op=ick > _______________________________________________ > Wicket-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/wicket-user > > > ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77&alloc_id492&op=click _______________________________________________ Wicket-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/wicket-user
