hibernateutils.java

实现一些hibernate底层的东西

package com.bjsxt.hibernate;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtils {
	private static SessionFactory factory;
	
	static {
		try{
			Configuration config = new Configuration().configure();
			factory = config.buildSessionFactory();
		}catch( Exception e ){
			e.printStackTrace();
		}
	}
	
	public static SessionFactory getSessionFactory(){
		return factory;
	}
	
	public static Session getSession(){
		return factory.openSession();
	}
	
	public static void closeSession( Session session ){
		if( session != null )
		{
			if( session.isOpen() )
			{
				session.close();
			}
		}
	} 
	
}