hibernate manytoone 测试

CREATE table t_card(
id bigint identity primary key,
card_no varchar(50),
person_id bigint  foreign key references t_user(id)  on delete cascade unique
)

　　

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2012-7-19 11:40:58 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
    <class name="com.cg.foo.TUser" table="t_user">
        <id name="id" type="long">
            <column name="id" />
            <generator class="native" />
        </id>
        <property name="name" type="string">
            <column name="name" length="20" />
        </property>
        <property name="nickname" type="string">
            <column name="nickname" length="30" />
        </property>
        <property name="birthday" type="timestamp">
            <column name="birthday" length="23" />
        </property>
        <set name="TCards" table="t_card" inverse="true" lazy="true" fetch="select">
            <key>
                <column name="person_id" unique="true" />
            </key>
            <one-to-many class="com.cg.foo.TCard" />
        </set>
    </class>
</hibernate-mapping>

　　

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2012-7-19 11:40:58 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
    <class name="com.cg.foo.TCard" table="t_card">
        <id name="id" type="long">
            <column name="id" />
            <generator class="native" />
        </id>
        <many-to-one name="TUser" class="com.cg.foo.TUser" fetch="select">
            <column name="person_id" unique="true" />
        </many-to-one>
        <property name="cardNo" type="string">
            <column name="card_no" length="50" />
        </property>
    </class>
</hibernate-mapping>

　　

package org.hibernate.tutorial.util;

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

public class HibernateUtil {

	private static final SessionFactory sessionFactory = buildSessionFactory();

	private static SessionFactory buildSessionFactory() {
		try {
			// Create the SessionFactory from hibernate.cfg.xml
			return new Configuration().configure().buildSessionFactory();
		} catch (Throwable ex) {
			// Make sure you log the exception, as it might be swallowed
			System.err.println("Initial SessionFactory creation failed." + ex);
			throw new ExceptionInInitializerError(ex);
		}
	}

	public static SessionFactory getSessionFactory() {
		return sessionFactory;
	}

}

　　

Test:

package com.cg.test;

import java.util.Date;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.tutorial.util.HibernateUtil;
import org.junit.Test;

import com.cg.foo.TCard;
import com.cg.foo.TUser;

public class TestTUser {

	@Test
	public void test() {
		TUser user=new TUser();
		user.setBirthday(new Date());
		user.setId(33);
		user.setName("吴xx");
		user.setNickname("昵称");
		
		Configuration cfg = new Configuration().configure();
		SessionFactory sf = cfg.buildSessionFactory();
		Session sess = sf.getCurrentSession();
		sess.beginTransaction();
		
		System.out.println(user.toString());
		Object obj = sess.save(user);
		System.out.println("PSERSISTED RET VALUE:"+obj.toString());
		
		sess.getTransaction().commit();
//		sess.close();		//Auto closed by ThreadLocalSessionContext
	}

	@Test
	public void testUserHibernateUtil(){
		TUser user=new TUser();
		user.setBirthday(new Date());
		user.setId(33);
		user.setName("张三abc~!@222222");
		user.setNickname("昵称~!@22");
		
		Session session = HibernateUtil.getSessionFactory().getCurrentSession();
		session.beginTransaction();
		session.save(user);
		session.getTransaction().commit();
		
		System.out.println("完成");
	}
	
	@Test
	public void testUserCard(){
		TUser user=new TUser();
		user.setBirthday(new Date());
		user.setId(33);
		user.setName("张三abc~!@222222");
		user.setNickname("昵称~!@22");
		
		TCard card=new TCard();
		card.setCardNo("110");
		card.setTUser(user);
		
		
		Session session = HibernateUtil.getSessionFactory().getCurrentSession();
		session.beginTransaction();
		session.save(user);
		session.save(card);
		session.getTransaction().commit();
		
		System.out.println("完成");
	}
	
	@Test
	public void testGetUserCard(){
		Session sess = HibernateUtil.getSessionFactory().getCurrentSession();
		sess.beginTransaction();
		
		Object obj = sess.get(TCard.class, 1L);
		TCard card = (TCard)obj;
		System.out.println(card.getId());
		System.out.println(card.getCardNo());
		System.out.println(card.getTUser().getName());
		System.out.println(card.getTUser().getBirthday());
		sess.getTransaction().commit();
		
		System.out.println("done");
	}
	
	@Test
	public void testGetCardByUser(){
		Session sess = HibernateUtil.getSessionFactory().getCurrentSession();
		sess.beginTransaction();
		
		Object obj = sess.get(TUser.class, 7L);
		TUser user= (TUser)obj;

		System.out.println(user.getName());
		System.out.println(user.getBirthday());
		
		TCard card = (TCard) (user.getTCards().toArray()[0]);
		System.out.println(card.getId());
		System.out.println(card.getCardNo());
		sess.getTransaction().commit();
		
		System.out.println("done");
	}
}