王伟东的个人Blog

学无止境，贵在有恒。常学常新，与时俱进。 

1. Eclipse 3.1M4: http://www.eclipse.org
2. JBoss Eclipse IDE 1.4.x: http://www.jboss.org/
3. Hibernate 3.0 beta3: http://prdownloads.sourceforge.net/hibernate
4. Hibernate Tools 3.0 alpha 1:  http://www.hibernate.org/Projects/HibernateTools
5. Jdk 1.4.2

package test;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.*;
import org.hibernate.cfg.*;

public class HibernateUtil {

    private static Log log = LogFactory.getLog(HibernateUtil.class);

    private static final SessionFactory sessionFactory;

    static {
        try {
            // Create the SessionFactory
            sessionFactory = new Configuration().configure()
                    .buildSessionFactory();
        } catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            log.error("Initial SessionFactory creation failed.", ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static final ThreadLocal session = new ThreadLocal();

    public static Session currentSession() throws HibernateException {
        Session s = (Session) session.get();
        // Open a new Session, if this Thread has none yet
        if (s == null) {
            s = sessionFactory.openSession();
            session.set(s);
        }
        return s;
    }

    public static void closeSession() throws HibernateException {
        Session s = (Session) session.get();
        session.set(null);
        if (s != null)
            s.close();
    }
}

package test;

import hib.user.Users;

import org.hibernate.*;

public class Test {

        public static void main(String[] args) {
        try {
            Session session = HibernateUtil.currentSession();
            Transaction tx = session.beginTransaction();
            Users userInfo = new Users();
            userInfo.setLogonId("userid" );
            userInfo.setEmailAddress("wweidong@sina.com");
            session.save(userInfo);
            tx.commit();
            HibernateUtil.closeSession();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

       
}