orderItem.setOrderItemId(sequenceDao.getNextId("orderitemnum"));
orderItem.setProductItemId("EST-1");
orderItem.setQuantity(1);
orderItem.setUnitPrice(new BigDecimal("10.0"));
order.addOrderItem(orderItem);
orderItem = new OrderItem();
orderItem.setOrderId(order.getOrderId());
orderItem.setOrderItemId(sequenceDao.getNextId("orderitemnum"));
orderItem.setProductItemId("EST-3");