@Controller
public class UserController {

    private IUserService userService;

    @RequestMapping("/users")
    public String creatUser(){
        Users user = new Users();
        user.setEmail("[email protected]");
        user.setName("myname");
        userService.creatUser(user);
        return "user-creation-result";
    }


}




public class UserService implements IUserService{
    private IUserDAO userDAO;
    public void creatUser(Users user){
        //what to do here
        //how to call the sessionfactory
        //and call it in a way that each call
        // gives the same instance
         userDAO.creatUser(user);
    }
}





public class UserDAO implements IUserDAO{

    public void creatUser(Users user){
        // what to do here?
    }
}