hibernatedao.java

实现简单的群聊功能

package cn.edu.buaa.scse.liyi.network.hibernate.dao;

import java.io.Serializable;

import org.hibernate.Session;
import org.hibernate.Transaction;

import cn.edu.buaa.scse.liyi.network.hibernate.HibernateSessionFactory;

public class HibernateDAO
{
	public void save(Object obj)
	{
		Transaction tx=HibernateSessionFactory.getSession().beginTransaction();
		HibernateSessionFactory.getSession().save(obj);
		tx.commit();
	}
	
	public void delete(Object obj)
	{
		Transaction tx=HibernateSessionFactory.getSession().beginTransaction();
		HibernateSessionFactory.getSession().delete(obj);
		tx.commit();
	}
	
	public void update(Object obj)
	{
		Transaction tx=HibernateSessionFactory.getSession().beginTransaction();
		HibernateSessionFactory.getSession().update(obj);
		tx.commit();
	}
	
	public Object get(Class arg0,Serializable arg1)
	{
		return HibernateSessionFactory.getSession().get(arg0,arg1);
	}
	
	public Session getSession()
	{
		return HibernateSessionFactory.getSession();
	}
}