updatecontactbyselect.java

来自「《基于Eclipse的开源框架技术与实战》[第8章]随书源码」· Java 代码 · 共 42 行

package com.free.hibernate.saveorupdate;

import java.util.Iterator;

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

import com.free.hibernate.bo.Contact;
import com.free.hibernate.util.HibernateUtil;

/**
 * <p>Title: Eclipse Plugin Development</p>
 * <p>Description: Free download</p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: Free</p>
 * @author gan.shu.man
 * @version 1.0
 */

public class UpdateContactBySelect {

	public static void main(String[] args) {
		HibernateUtil.buildSessionFactory();
		Session session = HibernateUtil.currentSession();
		//加载Contact对象
		String SQL_QUERY = "from Contact";
		Query query = session.createQuery(SQL_QUERY);
		for (Iterator it = query.iterate(); it.hasNext();) {
			Contact contact = (Contact) it.next();
			//修改加载的contact实例的值
			System.out.println("ID: " + contact.getId());
			System.out.println("First Name: " + contact.getFirstName());
			contact.setFirstName("gan");
		}

		session.flush();
		session.close();
	}
}