SSH之Hibernate读取配置文件工具类

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package com.andy.bbs.database.util;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.hibernate.cfg.Configuration;import org.hibernate.service.ServiceRegistry;import org.hibernate.service.ServiceRegistryBuilder;public class HibernateUtils {        private static ThreadLocal<Session> thread = new ThreadLocal<Session>();        private static Configuration configuration;        private static SessionFactory factory;        private static ServiceRegistry serviceRegistry;        static{                configuration = new Configuration().configure();                serviceRegistry = new ServiceRegistryBuilder()        .applySettings(configuration.getProperties())        .buildServiceRegistry();                factory = configuration.buildSessionFactory(serviceRegistry);        }        /**         * 获取session对象         * @return         */        public static Session openSession() {                                Session session = thread.get();                if(session == null) {                        session = factory.openSession();                        thread.set(session);                }                return session;        }                /**         * 关闭session         */        public static void closeSession() {                Session session = thread.get();                if(session != null) {                        session.close();                        thread.set(null);                }        }}
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