Reply inline.
On Wed, Feb 9, 2011 at 12:40, Rickard Öberg <[email protected]> wrote:
> Our conclusion in the end was that we will not change the current Object
> handling, i.e. it won't be possible to register classes with "addObjects"
> and have them use constraints and concerns etc. Instead we will try to allow
> a Class to be a definition for a TransientComposite, since in the end the
> whole thing will end up as a composite. Then regular objects are still
> "lightweight", and yet if you have a class that you want to use as a
> composite, with itself being a "default mixin" so to speak, then that is
> easy to do.
>
> In practice it would look something like this:
> @Concerns(SomeConcern.class)
> @SideEffects(SomeSideEffect.class)
> public class MyClass
> {
> public MyClass(@This SomeMixin mixin, @Service service)
> {
> ..
> }
>
> public void doStuff(@MinValue(5) int foo)
> {
> }
> }
> ---
> instead of:
> @Concerns(SomeConcern.class)
> @SideEffects(SomeSideEffect.class)
>
@Mixins( MyClass.Mixin.class )
> public interface MyClass
> extends TransientComposite
> {
> abstract class Mixin implements MyClass
> {
> public Mixin(@This SomeMixin mixin, @Service service)
> {
> ..
> }
>
> public void doStuff(@MinValue(5) int foo)
> {
> }
> }
> }
> ---
>
Highlighted :)
> The same rules as before apply with regard to typed Concerns, i.e. the
> class has to implement an interface if it wants methods to be "intercepted".
> Generic concerns should be possible to apply without interfaces though. Note
> that it has a reference to a mixin, but obviously, all mixins will be
> private, i.e. not exposed to outside clients.
Something like that. What do you think? Should I give it a try?
>
Bunch of questions:
- What is the advantage of using Class instead of the current mechanism?
- Would deep graph object supported?
Transient within another transient?
- How do I declare properties and associations?
Use abstract?
e.g.
public abstract class MyClass
{
public abstract Property<String> stringProperty();
}
- Is the new mechanism is only limited to transient?
Regards,
Edward Yakop
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