public List<ProductExt_W49> getByEnterpriser(Enterprise e) {
   List<ProductExt_W49> list = selectAll();
   List<ProductExt_W49> lr = new ArrayList<ProductExt_W49>();
   for (int i = 0; i < list.size(); i++) {
     Product p = productBN.getById(list.get(i).getProductIdActual());
     if (p.getEnterpriseIdActual() == e.getId()) {
       lr.add(list.get(i));
     }
   }
   return lr;
 }