Auto-generate BuilderConstructors

[arjanvlek]

Currently, when creating a builder by extending from AbstractBuilder, it is required to implement the method constructors(), which returns an instance of BeanConstructors for your builder.

However, from practice it seems that almost always the same pattern to make an instance of builderConstructors is used. That pattern is the following:

in the BuildCommand class:

public class MyBuildCommand extends AbstractBuildCommand<MyEntity> {

    public MyBuildCommand(MyEntity entity) {
        super(entity);
    }

     public MyBuildCommand(Supplier<MyEntity> entity) {
        super(entity);
    }

  { ... }
}

in the Builder class:

@Override
public BuilderConstructors<MyEntity, MyBuildCommand> constructors() {
    return new BuilderConstructors<>(
            MyBuildCommand::new,
            MyBuildCommand::new,
            MyEntity::new
    );
}

By auto-generating the BuilderConstructors definition the method override and the 2 constructors in MyBuildCommand can be omitted from a builder.

[arjanvlek]

Fixed in ca1f399