@RequestMapping("/users")
public List<User> getAllUsers(){
    return new UserService().getAllUsers();
}

@RequestMapping("/users/{id}")
public User getUser(@RequestParam int id) {
    return new UserService().getUser(id);
}
}

@Service
public class UserService {
SessionFactory factory = new Configuration()
                             .configure("hibernate.cfg.xml")
                             .addAnnotatedClass(User.class)
                             .addAnnotatedClass(UserProfile.class)
                             .buildSessionFactory();

public UserService() {

}

public List<User> getAllUsers(){
        Session session = factory.getCurrentSession();
        session.beginTransaction();
        List<User> users = session.createQuery("from User").list();
        session.getTransaction().commit();
        session.close();
        return users;
}


public User getUser(int id) {
    Session session = factory.getCurrentSession();
    session.beginTransaction();
    User user = session.get(User.class, id);
    session.getTransaction().commit();
    session.close();
    return user;
}


}

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