GeezerVison

import org.mapstruct.BeanMapping;
import org.mapstruct.Mapper;
import org.mapstruct.MappingTarget;
import org.mapstruct.NullValuePropertyMappingStrategy;

@Mapper
public interface EasyMap {

    class To {
        private Comparable Comparable;

        public Comparable getComparable() {
            return Comparable;
        }

        public void setComparable(Comparable comparable) {
            Comparable = comparable;
        }
    }

    class Fromm {
        private Comparable Comparable;

        public Comparable getComparable() {
            return Comparable;
        }

        public void setComparable(Comparable comparable) {
            Comparable = comparable;
        }
    }

    @BeanMapping(nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.SET_TO_DEFAULT)
    void update(@MappingTarget To to, Fromm from);
}

import javax.annotation.processing.Generated;

@Generated(
    value = "org.mapstruct.ap.MappingProcessor",
    date = "2026-05-04T21:34:26+0200",
    comments = "version: 1.6.3, compiler: javac, environment: Java 21.0.5 (Eclipse Adoptium)"
)
public class EasyMapImpl implements EasyMap {

    @Override
    public void update(To to, Fromm from) {
        if ( from == null ) {
            return;
        }

        if ( from.getComparable() != null ) {
            to.setComparable( from.getComparable() );
        }
        else {
            to.setComparable( new Comparable() );
        }
    }
}