Lifecycle is only for entities, not values. But for RouteSpecification, isn't there some method like satisfies() or other 'business logic', which needs a mixin, which can implement the Initializable method?? Otherwise, need to extend Initializable in the interface.
Cheers Niclas On Mon, Jan 24, 2011 at 5:57 AM, Marc Grue <[email protected]> wrote: > Hi Niclas, > > Thank you for your suggestion! I haven't had time to put it together yet, but > I'll have a go at it during the week (busy schedule). > > What I want to do is to have a RouteSpecification ValueComposite to enforce > that > @ Immutable Property<Location> origin() > != > @Immutable Property<Location> destination() > upon instantiation (?) of the ValueComposite so that you can't create a > RouteSpecification that is in an invalid state. Would you place such a check > in the LifeCycle create method according to your suggestion too? Or is there > a much simpler way to enforce unequality between two properties in a > ValueComposite? > > Cheers, > Marc > > On 13/01/2011, at 01.09, Niclas Hedhman wrote: > >> On Thu, Jan 13, 2011 at 1:34 AM, Marc Grue <[email protected]> wrote: >>> On 12/01/2011, at 01.41, Niclas Hedhman wrote: >>>> The handling of Property methods is not special hard-coded internals. >>>> If you look at Composite type, you will see that it has a >>>> PropertyMixin declared, which you can replace with your own >>>> implementation. So, I suggest that the Mixin extends PropertyMixin and >>>> then implements Lifecycle, that should work. >>> >>> Since PropertyMixin is final I can't do: >> >> Ok, I didn't recalled that. Class isn't bigger than you can clone it >> source wise... Isn't it beautifu????!?? >> >> @AppliesTo( { PropertyMixin.PropertyFilter.class } ) >> public final class MyPropertyMixin >> implements InvocationHandler, Lifecycle >> { >> @State >> private StateHolder state; >> >> public Object invoke( Object proxy, Method method, Object[] args ) >> throws Throwable >> { >> return state.getProperty( method ); >> } >> >> // + Lifecycle your methods >> } > > _______________________________________________ > qi4j-dev mailing list > [email protected] > http://lists.ops4j.org/mailman/listinfo/qi4j-dev > -- Niclas Hedhman, Software Developer http://www.qi4j.org - New Energy for Java I live here; http://tinyurl.com/3xugrbk I work here; http://tinyurl.com/24svnvk I relax here; http://tinyurl.com/2cgsug _______________________________________________ qi4j-dev mailing list [email protected] http://lists.ops4j.org/mailman/listinfo/qi4j-dev
