private boolean addEntry(SalesContract salesContract, List<SalesContractEntry> entries) {
   Integer userId = Constants.getCurrentUser().getUserId();
   if (null != entries && !entries.isEmpty()) {
     for (SalesContractEntry salesContractEntry : entries) {
       salesContractEntry.setContract(salesContract);
       salesContractEntry.setCreated(new Date());
       salesContractEntry.setCreater(userId);
       salesContractEntry.setLastmod(new Date());
       salesContractEntry.setModifier(userId);
       salesContractEntry.setStatus(Constants.PERSISTENCE_STATUS);
       baseDao.save(salesContractEntry);
     }
   }
   return true;
 }