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package test;

import org.hibernate.HibernateException;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.Configuration;

/**

* Hibernate初始化类，用于获取Session、SessionFactory 及关闭Session

* @author Li Yong Qiang

*/

public class HibernateUtil {

// SessionFactory对象

private static SessionFactory factory = null;

// 静态块

static {

try {

// 加载Hibernate配置文件

Configuration cfg = new Configuration().configure();

// 实例化SessionFactory

factory = cfg.buildSessionFactory();

} catch (HibernateException e) {

e.printStackTrace();

}

}

/**

* 获取Session对象

* @return Session对象

*/

public static Session getSession() {

//如果SessionFacroty不为空，则开启Session

Session session = (factory != null) ? factory.openSession() : null;

return session;

}

/**

* 获取SessionFactory对象

* @return SessionFactory对象

*/

public static SessionFactory getSessionFactory() {

return factory;

}

/**

* 关闭Session

* @param session对象

*/

public static void closeSession(Session session) {

if (session != null) {

if (session.isOpen()) {

session.close(); // 关闭Session

}

}

}

public static void main(String[] args) {

System.out.println(getSessionFactory());

}

}