abid.password.springmvc.dao.UserDaoHibernateImpl.java Source code

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/**
 * 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;
    }

}