receiveaddressdao.java

模仿当当网基于struts+hierbernate与mysql的商务网站。

package org.whatisjava.dang.dao;

import java.util.List;

import org.hibernate.FlushMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.whatisjava.dang.domain.ReceiveAddress;
import org.whatisjava.dang.domain.User;

public class ReceiveAddressDao {

	public void save(ReceiveAddress address) {
		Session session=HbSessionFactory.getSession();
		Transaction tst=session.beginTransaction();
		if(session.load(User.class,address.getUserId())!=null){
			session.save(address);
			tst.commit();
		}
		session.close();
	}

	public List<ReceiveAddress> findByUserId(Integer id) {
		Session session=HbSessionFactory.getSession();
		session.setFlushMode(FlushMode.NEVER);
		Query query=session.createQuery("from ReceiveAddress a where a.userId=?");
		query.setInteger(0, id);
		List<ReceiveAddress> list=query.list();
		session.close();
		return list;
	}

	public void update(ReceiveAddress addr) {
		Session session=HbSessionFactory.getSession();
		Transaction tst=session.beginTransaction();
		session.update(addr);
		tst.commit();
		session.close();
	}

	public void delete(ReceiveAddress address) {
		Session session=HbSessionFactory.getSession();
		Transaction tst=session.beginTransaction();
		session.delete(address);
		tst.commit();
		session.close();
	}

}