e005b8a62f9a001b18abbf5fd3239213

来自「用jsf实现cd商店的程序」· 代码 · 共 83 行

package com.tangjun.data.impl;

import java.util.List;

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.springframework.orm.hibernate3.HibernateTemplate;
import com.tangjun.data.ICDDao;
import com.tangjun.data.hibernate.HibernateSessionFactory;
import com.tangjun.model.exception.MyException;
import com.tangjun.web.pojo.CD;

public class CDDaoImpl implements ICDDao
{

	public CDDaoImpl()
	{

	}

	public boolean addCD(CD cd)
	{
		Session session = HibernateSessionFactory.getSession();
		Transaction tx = session.beginTransaction();
		session.save(cd);
		tx.commit();
		session.close();
		return true;
	}

	public boolean delCD(Integer id)
	{
		Session session = HibernateSessionFactory.getSession();
		Transaction tx = session.beginTransaction();
		CD cd = (CD)session.load(CD.class,id);
		session.delete(cd);
		tx.commit();
		session.close();
		return true;
	}

	public boolean updateCD(CD cd)
	{
		Session session = HibernateSessionFactory.getSession();
		Transaction tx = session.beginTransaction();
		session.update(cd);
		tx.commit();
		session.close();
		return true;
	}

	public CD findCDById(Integer id)
	{
		Session session = HibernateSessionFactory.getSession();
		Transaction tx = session.beginTransaction();
		CD cd = (CD)session.load(CD.class,id);
		tx.commit();
		session.close();
		return cd;
	}

	public List getAllCD() throws MyException
	{
		String hql = "from CD c";
		try
		{
			Session session = HibernateSessionFactory.getSession();
			Transaction tx = session.beginTransaction();
			//session.
			//CD cd = (CD)session.load(CD.class,id);
			tx.commit();
			session.close();
			List cds = null; // = this.getHibernateTemplate().find(hql);
			return cds;
		}
		catch(Exception e)
		{
			throw new MyException(e.getMessage());
		}
	}

}