Hibernate关系映射

    useHibernateQuickUse;
droptableifexistsPerson;
droptableifexistsCard;

createtableCard(
idvarchar(32)primarykey,
cardDescvarchar(128)notnull
);

createtablePerson(
idvarchar(32)primarykey,
namevarchar(32)notnull,
card_idvarchar(32)notnull,
foreignkey(card_id)referencesCard(id)
);

   packageorg.py.hib.relation.one2one;

/**
*Personentity.
*/

@SuppressWarnings("serial")
publicclassPersonimplementsjava.io.Serializable
{
privateStringid;

privateStringname;

privateCardcard;

publicPerson()
{
}

publicStringgetId()
{
returnthis.id;
}

publicvoidsetId(Stringid)
{
this.id=id;
}

publicCardgetCard()
{
returnthis.card;
}

publicvoidsetCard(Cardcard)
{
this.card=card;
}

publicStringgetName()
{
returnthis.name;
}

publicvoidsetName(Stringname)
{
this.name=name;
}

}

    packageorg.py.hib.relation.one2one;

/**
*Cardentity.
*/

@SuppressWarnings("serial")
publicclassCardimplementsjava.io.Serializable
{
privateStringid;

privateStringcardDesc;

publicCard()
{
}

publicStringgetId()
{
returnthis.id;
}

publicvoidsetId(Stringid)
{
this.id=id;
}

publicStringgetCardDesc()
{
returncardDesc;
}

publicvoidsetCardDesc(StringcardDesc)
{
this.cardDesc=cardDesc;
}
}

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

cascade="all"column="card_id"/>

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

    packageorg.py.hib.relation.one2one;

importjunit.framework.Assert;importjunit.framework.TestCase;

importorg.hibernate.Session;importorg.hibernate.SessionFactory;importorg.hibernate.Transaction;importorg.hibernate.cfg.Configuration;importorg.junit.After;importorg.junit.Before;

publicclassOne2OneTestextendsTestCase{privateSessionFactoryfactory;

privateStringm_name="ryanpoy";

privateStringm_name2="ryanpoy2";

privateStringm_cardDesc1="desc_1";

privateStringm_cardDesc2="desc_2";

@BeforepublicvoidsetUp()throwsException{Configurationconf=newConfiguration().configure();factory=conf.buildSessionFactory();}

/***测试添加*@throwsException*/publicvoidtestSave()throwsException{System.out.println("/n===testsave===");

Cardcard=newCard();card.setCardDesc(m_cardDesc1);

Personperson=newPerson();person.setName(m_name);//设置用户名=m_nameperson.setCard(card);

Sessionsession=null;Transactiontran=null;try{session=factory.openSession();tran=session.beginTransaction();session.save(person);

tran.commit();

Assert.assertEquals(person.getId()!=null,true);Assert.assertEquals(card.getId()!=null,true);

}catch(Exceptionex){tran.rollback();throwex;}finally{if(session!=null){try{session.close();}catch(Exceptionex){//nothingtodo}finally{if(session!=null)session=null;}}}}

/***测试查询*@throwsException*/publicvoidtestFind()throwsException{System.out.println("/n===testfind===");Sessionsession=null;try{session=factory.openSession();Personperson=(Person)session.createQuery("fromPerson").list().get(0);

Assert.assertEquals(true,person.getId()!=null);Assert.assertEquals(m_name,person.getName());

Assert.assertEquals(true,person.getCard().getId()!=null);Assert.assertEquals(m_cardDesc1,person.getCard().getCardDesc());

}catch(Exceptionex){throwex;}finally{if(session!=null){try{session.close();}catch(Exceptionex){//nothingtodo}finally{if(session!=null)session=null;}}}}

/***测试修改*@throwsException*/publicvoidtestModify()throwsException{System.out.println("/n===testmodify===");Sessionsession=null;Transactiontran=null;try{session=factory.openSession();tran=session.beginTransaction();

Personperson=(Person)session.createQuery("fromPerson").list().get(0);person.setName(m_name2);//修改用户名=m_name2.（原来用户名=m_name）person.getCard().setCardDesc(m_cardDesc2);//修改cardDesc为m_cardDesc2(原来是：m_cardDesc1)tran.commit();

}catch(Exceptionex){throwex;}finally{if(session!=null){try{session.close();}catch(Exceptionex){//nothingtodo}finally{if(session!=null)session=null;}}}

/**修改后再查询*/System.out.println("/n===testfindaftermodify===");try{session=factory.openSession();Personperson=(Person)session.createQuery("fromPerson").list().get(0);

Assert.assertEquals(true,person.getId()!=null);Assert.assertEquals(m_name2,person.getName());

Assert.assertEquals(true,person.getCard().getId()!=null);Assert.assertEquals(m_cardDesc2,person.getCard().getCardDesc());

}catch(Exceptionex){throwex;}finally{if(session!=null){try{session.close();}catch(Exceptionex){//nothingtodo}finally{if(session!=null)session=null;}}}}

/***测试删除*@throwsException*/publicvoidtestDelete()throwsException{System.out.println("/n===testdelete===");Sessionsession=null;Transactiontran=null;try{session=factory.openSession();tran=session.beginTransaction();

Personperson=(Person)session.createQuery("fromPerson").list().get(0);session.delete(person);tran.commit();

}catch(Exceptionex){throwex;}finally{if(session!=null){try{session.close();}catch(Exceptionex){//nothingtodo}finally{if(session!=null)session=null;}}}

/**删除后再查询*/System.out.println("/n===testfindafterdelete===");try{session=factory.openSession();

Integernum=(Integer)session.createQuery("fromPerson").list().size();Assert.assertEquals(0,num.intValue());

num=(Integer)session.createQuery("fromCard").list().size();Assert.assertEquals(0,num.intValue());

}catch(Exceptionex){throwex;}finally{if(session!=null){try{session.close();}catch(Exceptionex){//nothingtodo}finally{if(session!=null)session=null;}}}}

/****/@AfterpublicvoidtearDown()throwsException{factory.close();}

}