How to tell to lombok the generated getter is an @Override

Question

I'm using lombok in my project and I have an interface :

public interface MyInterface{

    Object getA()
}

And a class

@Getter
public class MyClass implements MyInterface{

      private Object a;

      private Object b

}

And i've checked the generated class and the method generated in the class is not @Override

I'm wondering how to add this annotation ? And what are the consequences of a missing @Override ?

It's maybe an another question but this code is analyzed by sonarqube and sonar say that private field a is never used.

I've already seen the subject about sonarqube + lombok = false positives

But In my case b doesn't create a false positive. So I don't think this is directly related

Do you see a solution to avoid this problems without reimplement getA() ?

I have lot of class with a field named code. Theirs is currently no common heritage between this class(and we don't want to) . For an utility class who detect change in a list of that type of entity we have create a common interface who define getCode. — Ruokki
And we want to use it in à bundle of class so avoiding implément each getter each time — Ruokki
This was a useful question since I've added Error Prone to my project and it's configured to mark functions which override and don't @Override as a build error. — lessthanoptimal

Michael Michael · Accepted Answer · 2020-09-10T15:01:39

You can use the onMethod attribute of the annotation to add any annotation you want to the generated method.

@Getter
public class MyClass implements MyInterface{
    @Getter(onMethod = @__(@Override))
    private Object a;
    private Object b
}

As a matter of style in this case, I would probably move the class-level @Getter to the other field. If there were c, d, e which should all use normal (no annotation) @Getter logic, I would leave it as above.

public class MyClass implements MyInterface{
    @Getter(onMethod = @__(@Override))
    private Object a;
    @Getter
    private Object b
}

You may also want to enable Lombok's generated annotations. It will prevent some tools (coverage, static analysis, etc) from bothering to check Lombok's methods. Not sure if it will help in this case, but I pretty much have it enabled in all of my projects.

lombok.addLombokGeneratedAnnotation = true

How to tell to lombok the generated getter is an @Override

3 Answers