Java tutorial
/** * Copyright 2012 Abid Khalil * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package abid.password.springmvc.dao; import java.util.List; import org.hibernate.Criteria; import org.hibernate.SessionFactory; import org.hibernate.criterion.Restrictions; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; import abid.password.springmvc.model.User; @Repository public class UserDaoHibernateImpl implements UserDao { private SessionFactory sessionFactory; @Autowired public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } @Transactional(readOnly = true) public User getUser(String username) { Criteria criteria = sessionFactory.getCurrentSession().createCriteria(User.class); criteria.add(Restrictions.eq("username", username)); User user = (User) criteria.uniqueResult(); return user; } @Transactional public void saveUser(User user) { sessionFactory.getCurrentSession().saveOrUpdate(user); } @SuppressWarnings("unchecked") @Transactional(readOnly = true) public List<User> getUsers() { Criteria criteria = sessionFactory.getCurrentSession().createCriteria(User.class); List<User> userList = (List<User>) criteria.list(); return userList; } }