[Active Annotation] How to set / unset the "override keyword" for a method?

[torsten.j...@gmail.com]

I'm working on an active annotation which generates a new class which is used as supertype for the annotated class.

The generated class contains methods which are already defined in the annotated class.

In the annotated class these (now overridden) methods don't have the override keyword.

Therefore the Xtend compiler is bailing out with the following error:

ERROR:The method foo of type bar must use override keyword since it actually overrides a supertype method.

Now I'm wondering how to set / unset the "override keyword" for an existing method in an annotated class.

/Torsten

[Sven Efftinge]

You don't. You have to use 'override' instead of 'def' in the source code, since after your modification they are actually overriding methods.

Sven

[torsten.j...@gmail.com]

But requiring the keyword "override" isn't obvious to the user because the corresponding class doesn't use the keyword "extends".

Instead the class is extended "under the hood" due to the annotation.

Isn't there any workaround here to trick Xtends validations? Maybe by adding (during the transformation process) the annotation @Override to the corresponding method.

/Torsten

[Sven Efftinge]

No, there is no workaround.

Also all the IDE features will communicate to the user that there actually is a super class and a method declaration.

I think being transparent about that is a good idea.

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