QueryDsl sort

public class LectureRepositoryImpl implements LectureRepositoryCustom {

    private final JPAQueryFactory queryFactory;

    public LectureRepositoryImpl(EntityManager em) {
        this.queryFactory = new JPAQueryFactory(em);
    }

    @Override
    public List<Lecture> findAllPageSort(Pageable pageable) {
        JPAQuery<Lecture> query = queryFactory
                .selectFrom(lecture)
                .offset(pageable.getOffset())
                .limit(pageable.getPageSize());

        for (Sort.Order o : pageable.getSort()) {
            PathBuilder pathBuilder = new PathBuilder(lecture.getType(), lecture.getMetadata());
            query.orderBy(new OrderSpecifier(o.isAscending() ? Order.ASC : Order.DESC,
                    pathBuilder.get(o.getProperty())));
        }

        List<Lecture> result = query.fetch();
        return result;
    }
}