On Sun, Jun 29, 2008 at 12:48 PM, Sven Meier <[EMAIL PROTECTED]> wrote: > Hi, > > I've just converted two projects to the new generics setup and everything > worked out nicely. > I think this is how generics should be applied to Wicket. > > Igor, thanks for your hard work on this.
wasnt just me :) -igor > > Sven > > Igor Vaynberg schrieb: >> >> development of the 1.4 branch has been quiet lately, this is because >> the core team has been busy working on an alternative way of >> generifiing the framework. an early result of that effort can be found >> here [1]. The key difference in [1] is that we have decoupled the >> component from the type of the model. >> >> here is the list of major differences: >> >> (1) only components that use their model have a generic type >> (components you are likely to call getmodel/getmodelobject on as a >> user). so far these are link,form,formcomponent >> subclasses,listview,listitem,(other repeaters will follow soon). this >> allows for typesafety where it makes sense, and eliminates a ton of >> noise from code. we will generify others upon request if a good >> usecase is provided and we think it is widely applicable. >> >> (2) non-generified components do not have IModel<T> get/setModel and T >> get/setModelObject, instead they have IModel<?>get/setDefaultModel and >> Object get/setDefaultModelObject. this clearly expresses that the >> default component model is not tied to the type of component. this is >> a bit of a pain from the code migration point of view, but we think is >> worth the effort. generifyed components are free to implement the old >> IModel<T> get/setModel, etc, but have to keep the unsafe cast inside. >> see ListItem for an example. >> >> basically we feel this is a much cleaner way then what is 1.4m2. this >> is a call for confirmation/discussion from our user base. do try to >> port a small project or a part of a larger project you are working on >> to the [1] branch to see how the new api feels. if we do like this >> more the new branch will be merged into what will be 1.4m3. >> >> [1] https://svn.apache.org/repos/asf/wicket/sandbox/ivaynberg/generics >> >> -igor >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
