com.mycompany.springrest.dao.UserDAOImpl.java Source code

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Here is the source code for com.mycompany.springrest.dao.UserDAOImpl.java

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package com.mycompany.springrest.dao;

import com.mycompany.springrest.model.User;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Restrictions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author ??
 */
@Repository
@Transactional
public class UserDAOImpl implements UserDAO {

    private static final Logger logger = LoggerFactory.getLogger(UserDAOImpl.class);

    @Autowired
    private SessionFactory sessionFactory;

    public void serSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    @Override
    public void addUser(User user) {
        Session session = this.sessionFactory.getCurrentSession();
        session.persist(user);
        logger.info("User saved successfully, User Details=" + user);
    }

    @Override
    public void updateUser(User user) {
        Session session = this.sessionFactory.getCurrentSession();
        session.update(user);
        logger.info("User updated successfully, User Details=" + user);
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<User> listUsers() {
        Session session = this.sessionFactory.getCurrentSession();
        List<User> usersList = session.createQuery("from User").list();
        for (User user : usersList) {
            logger.info("User List::" + user);
        }
        return usersList;
    }

    @Override
    @SuppressWarnings("unchecked")
    public User getUserById(int id) {
        Session session = this.sessionFactory.getCurrentSession();
        User user = (User) session.load(User.class, new Integer(id));
        logger.info("User loaded successfully, User details=" + user);
        return user;
    }

    @Override
    @SuppressWarnings("unchecked")
    public void removeUser(int id) {
        Session session = this.sessionFactory.getCurrentSession();
        User user = (User) session.load(User.class, new Integer(id));
        if (null != user)
            session.delete(user);
        logger.info("User deleted successfully, User details=" + user);
    }

    @Override
    public User getUserByName(String username) {
        Session session = this.sessionFactory.getCurrentSession();
        Criteria crit = session.createCriteria(User.class);
        crit.add(Restrictions.eq("userName", username));
        return (User) crit.uniqueResult();

    }

}