@BeanProperty with PropertyChangeListener support?

拥有回忆 提交于 2019-12-05 12:58:27

I've had the same question, and have been keeping a close eye out for possible answers. I think I've just stumbled across one (although I haven't tried it yet). Scala 2.9 has a feature for handling dynamic calls (meant for integration with dynamic languages, I suspect). Essentially, calls to methods which don't exist are routed to a method called applyDynamic. An implementation of that method could use reflection to check that the method signature matches a property (possibly one with an annotation similar to @BeanProperty). If there is a match, it could handle firing the event.

Maybe that's something where a custom compiler plugin can do the trick. Sadly I have no idea about how to write such a plugin. But at least thought I give you this pointer.

I would be very interested, if you'd come up with something along that line.

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