April 05
Prof. Ismael H. F. Santos
- ismael@tecgraf.puc-rio.br
2
Non-IoC Service Object
public class OrderServiceImpl implements IOrderService {
public Order
saveOrder(Order order) throws OrderException{
try{
// 1. Create a
Session/Connection object
n // 2. Start a transaction
n // 3. Lookup and invoke one of the
methods in a
n // DAO and pass the Session/Connection
object.
// 4. Commit transaction
}catch(Exception e){
// handle e,
rollback transaction, //cleanup, // throw e
n }finally{
n //Release resources and handle more
exceptions
n }
n}
