There are additional considerations (at least in this implementation),
all of which should be familiar to users of Hibernate or any
proxy-based framework.
1) classes may not be final
2) methods may not be final
3) classes must have a no-method constructor
Some folk may not be happy with these restrictions.
- Scott
On Feb 6, 2008 5:43 PM, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> i support it in a non-core module
>
> -igor
>
>
>
> On Feb 6, 2008 5:41 PM, Jonathan Locke <[EMAIL PROTECTED]> wrote:
> >
> >
> > so you don't support this model then?
> >
> >
> >
> > igor.vaynberg wrote:
> > >
> > > i disagree. i dont think we should be doing more with cglib in core or
> > > any other bytecode magic. have you ever tried to walk code that uses
> > > bytecode generation? its a nightmare. one of my favorite things about
> > > wicket is that it is just java and its easy as hell to debug. im not
> > > really against putting something like this into extensions, or even
> > > having a new wicket-bytecode/codegen/whatever package that contains
> > > things like these...
> > >
> > > -igor
> > >
> > >
> > > On Feb 6, 2008 5:23 PM, Jonathan Locke <[EMAIL PROTECTED]> wrote:
> > >>
> > >> like BoundCompoundPropertyModel, but safer. i think this almost might be
> > >> too
> > >> clever as it sacrifices some intuitiveness. also, it's filling in for a
> > >> missing java feature. this should really be:
> > >>
> > >> boundModel.bind(component, firstName.property)
> > >>
> > >> (where .property, .field and .method are long-missing declarative
> > >> reflections like .class)
> > >>
> > >> it does make me think we could be doing more with CGLIB in general. our
> > >> model classes ought to be able to detect model changes better using
> > >> proxies,
> > >> for example.
> > >>
> > >>
> > >>
> > >> Scott Swank wrote:
> > >> >
> > >> > One of our more clever developers created a CompoundPropertyModel that
> > >> > uses a cglib proxy to strongly bind the mutators to the model. It
> > >> > looks like this:
> > >> >
> > >> > SharedPropertyModel<Customer> model = new
> > >> > SharedPropertyModel<Customer>(customer);
> > >> > this.setModel(model);
> > >> >
> > >> > FormComponent firstName = new
> > >> > CustomerNameField("firstName").setRequired(true);
> > >> > model.bind(firstName).to().getFirstName();
> > >> > add(firstName);
> > >> >
> > >> > FormComponent lastName = new
> > >> > CustomerNameField("lastName").setRequired(true);
> > >> > model.bind(lastName).to().getLastName();
> > >> > add(lastName);
> > >> >
> > >> > FormComponent addr1 = new
> > >> AddressField("address1").setRequired(true);
> > >> > model.bind(addr1).to().getAddress().getAddress1();
> > >> > add(addr1);
> > >> >
> > >> > FormComponent addr2 = new AddressField("address2");
> > >> > model.bind(addr2).to().getAddress().getAddress2();
> > >> > add(addr2);
> > >> >
> > >> > FormComponent city = new CityField("city");
> > >> > model.bind(city).to().getAddress().getCity();
> > >> > add(city);
> > >> >
> > >> > We're happy to share if folk like this approach. N.B. that the .to()
> > >> > call is for readability rather than out of any necessity.
> > >> >
> > >> > Cheers,
> > >> > Scott
> > >> >
> > >> > --
> > >> > Scott Swank
> > >> > reformed mathematician
> > >> >
> > >> > ---------------------------------------------------------------------
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> > >> >
> > >> >
> > >> >
> > >>
> > >> --
> > >> View this message in context:
> > >> http://www.nabble.com/CompoundModel-based-on-proxies-tp15317807p15325663.html
> > >> Sent from the Wicket - User mailing list archive at Nabble.com.
> > >>
> > >>
> > >>
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> > >>
> > >>
> > >
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> > >
> > >
> >
> > --
> > View this message in context:
> > http://www.nabble.com/CompoundModel-based-on-proxies-tp15317807p15325860.html
> >
> > Sent from the Wicket - User mailing list archive at Nabble.com.
> >
> >
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> >
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--
Scott Swank
reformed mathematician
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