cddaoimpl.java

来自「用jsf实现cd商店的程序」· Java 代码 · 共 52 行

package com.tangjun.data.impl;

import java.util.List;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.tangjun.data.ICDDao;
import com.tangjun.web.pojo.CD;

public class CDDaoImpl extends HibernateDaoSupport implements ICDDao
{

	public CDDaoImpl()
	{
	}

	public boolean addCD(CD cd)
	{
		this.getHibernateTemplate().save(cd);
		return true;
	}

	public boolean delCD(Integer id)
	{
		CD cd=(CD)this.getHibernateTemplate().load(CD.class,id);
		this.getHibernateTemplate().delete(cd);
		return true;
	}

	public boolean updateCD(CD cd)
	{
		this.getHibernateTemplate().update(cd);
		return true;
	}

	public CD findCDById(Integer id)
	{
		String hql="from CD c where id=?";		
		List cds=this.getHibernateTemplate().find(hql,id);
		if(cds.size()==1)
			return (CD)cds.get(0);
		return null;
	}

	public List getAllCD()
	{
		String hql = "from CD b";
		List cds = this.getHibernateTemplate().find(hql);
		return cds;
	}

}