Esempio n. 1
0
 @Nullable
 @Override
 public LessonLinkVO getByOrderNum(
     @NotNull Long courseId, @NotNull Long lessonOrderNum, @NotNull Long orderNum) {
   return convertEntityToVO(
       lessonLinkDAO.getByOrderNum(lessonDAO.getByOrderNum(courseId, lessonOrderNum), orderNum));
 }