/**
   * 添加收藏信息
   *
   * @param memberFavorite用户收藏对象
   */
  @Override
  @Transactional(
      readOnly = false,
      rollbackFor = Exception.class,
      propagation = Propagation.REQUIRED)
  public void create(Merchant merchant, User user) throws BusinessException {
    // 判断该收藏对象是否已经存在
    UserFavMerchant userFavMerchant = get(merchant, user);
    if (userFavMerchant != null) {
      return;
    }

    userFavMerchant = new UserFavMerchant();
    userFavMerchant.setMerchant(merchant);
    userFavMerchant.setUser(user);
    userFavMerchant.setCreateDate(new Date());
    MerchantReferenceStatistic mrs = merchant.getMerchantReferenceStatistic();
    mrs.setFavCount(mrs.getFavCount() + 1);
    merchantStatisticDao.saveOrUpdate(mrs);
    userFavMerchantDao.save(userFavMerchant);
  }
 /**
  * 用户删除收藏信息
  *
  * @param memberFavorite 用户收藏对象
  */
 @Override
 @Transactional(
     readOnly = false,
     rollbackFor = Exception.class,
     propagation = Propagation.REQUIRED)
 public void delete(UserFavMerchant userFavMerchant) {
   if (userFavMerchant == null) {
     return;
   }
   Merchant merchant = userFavMerchant.getMerchant();
   MerchantReferenceStatistic mrs = merchant.getMerchantReferenceStatistic();
   mrs.setFavCount(mrs.getFavCount() - 1);
   merchantStatisticDao.saveOrUpdate(mrs);
   userFavMerchantDao.delete(userFavMerchant);
 }