public CompanyReturnManagerImpl(AddCompanyReturn addCompanyReturn)
 {
     this.addCompanyReturn = addCompanyReturn;
     dao             = CompanyReturnDao.getInstance();
     itemManagerImpl = new ItemManagerImpl();
     //sellingPriceManagerImpl = new SellingPriceManagerImpl();
     stockManagerImpl         = new StockManagerImpl();
     buyingInvoiceManagerImpl = new BuyingInvoiceManagerImpl();
 }
 public CompanyReturnManagerImpl(CompanyReturnHistory companyReturnHistory)
 {
     this.companyReturnHistory = companyReturnHistory;
     dao = CompanyReturnDao.getInstance();
 }
 public CompanyReturnManagerImpl()
 {
     dao = CompanyReturnDao.getInstance();
 }