public TargetContent updateTargetContent(TargetContent targetContent) {
   return targetContentDao.save(targetContent);
 }
 public void removeTargetContent(Long targetContentId) {
   targetContentDao.delete(targetContentId);
 }
 public List<TargetContent> findTargetContentsByPriority(int priority) {
   return targetContentDao.readCurrentTargetContentsByPriority(priority);
 }
 public List<TargetContent> findTargetContentsByNameType(String name, String type) {
   return targetContentDao.readCurrentTargetContentByNameType(name, type);
 }
 public List<TargetContent> findTargetContents() {
   return targetContentDao.readTargetContents();
 }
 public TargetContent findTargetContentById(Long targetContentId) {
   return targetContentDao.readTargetContentById(targetContentId);
 }