hibernatebase.java

本代码是一个权限管理系统源代码

package com.seavision.PermissionManage.help;



import net.sf.hibernate.HibernateException;
import net.sf.hibernate.Session;
import net.sf.hibernate.SessionFactory;
import net.sf.hibernate.Transaction;
import net.sf.hibernate.cfg.Configuration;

public class HibernateBase {
	protected static SessionFactory sessionFactory;// 会话工厂，用于创建会话

	protected static Session session;// hibernate会话

	protected static Transaction transaction; // hiberante事务

	public HibernateBase() throws HibernateException {
		this.initHibernate();
	}

	// 帮助方法
	protected void initHibernate() throws HibernateException {

		// 装载配置，构造SessionFactory对象
		sessionFactory = new Configuration().configure().buildSessionFactory();
	}

	/**
	 * 开始一个hibernate事务
	 */
	public static void beginTransaction() throws HibernateException {

		session = sessionFactory.openSession();
		transaction = session.beginTransaction();
	}

	/**
	 * 结束一个hibernate事务。
	 */
	public static void endTransaction(boolean commit) throws HibernateException {

		if (commit) {
			transaction.commit();
		} else {
			// 如果是只读的操作，不需要commit这个事务。
			transaction.rollback();
		}
		session.close();
	}

}