@Mapper(uses = { WorkerMapperResolver.class}, componentModel = "spring")
public interface WorkerMapper {

    WorkerDto workerToWorkerDto(Worker worker);

    Worker workerDtoToWorker(WorkerDto workerDto);

}


@Component
public class WorkerMapperResolver {

    @Autowired
    private WorkerRepository workerRepository;

    @ObjectFactory
    public Worker resolve(WorkerDto dto, @TargetType Class<Submission> type) {
        return dto != null && dto.getPkWorkerId() != null
                ? workerRepository.findEntityById(dto.getPkWorkerId()) : new Worker();
    }
}


@Component
public class WorkerMapperImpl implements WorkerMapper {

    @Override
    public WorkerDto workerToWorkerDto(Worker worker) {
        if ( worker == null ) {
            return null;
        }

        WorkerDto workerDto = new WorkerDto();

        workerDto.setPkWorkerId( worker.getPkWorkerId() );
        workerDto.setFirstName( worker.getFirstName() );
        workerDto.setLastName( worker.getLastName() );
        workerDto.setPosition( worker.getPosition() );

        return workerDto;
    }

    @Override
    public Worker workerDtoToWorker(WorkerDto workerDto) {
        if ( workerDto == null ) {
            return null;
        }

        Worker worker = new Worker();

        worker.setPkWorkerId( workerDto.getPkWorkerId() );
        worker.setFirstName( workerDto.getFirstName() );
        worker.setLastName( workerDto.getLastName() );
        worker.setPosition( workerDto.getPosition() );

        return worker;
    }
}