hibernate中的工具类，生成sessionFactory和session

HibernateUtil.java

package com.kaishengit.util;

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

public  class HibernateUtil {
	
	private HibernateUtil() {};
	
	private static Configuration cfg = new Configuration().configure();
	private static SessionFactory factory = cfg.buildSessionFactory();
	
	public static SessionFactory getFactory (){
		return factory;
	}
	
	public static Session getSession () {
		return factory.getCurrentSession();
	}
}