@Override
 public void saveOrderPostPrice(List<PostPriceItem> postPriceItemList) {
   for (PostPriceItem postPriceItem : postPriceItemList)
     shipmentPriceDao.updatePostPrice(postPriceItem);
 }
 @Override
 public List<PostPriceItem> fetchOrders() {
   return shipmentPriceDao.findPostPriceShipments(batchSize);
 }