?? one2onetest.java
字號:
package com.bjsxt.hibernate;
import org.hibernate.Session;
import junit.framework.TestCase;
public class One2OneTest extends TestCase {
public void saveOne2One() {
Session session = null;
try {
session = HibernateUtils.getSession();
session.beginTransaction();
IdCard idCard = new IdCard();
idCard.setCardNo("12345678909999999");
Person person = new Person();
person.setName("張三");
//在兩個(gè)對象之間建立關(guān)聯(lián)
person.setIdCard(idCard);
//不能保存,因?yàn)镮dCard為瞬時(shí)狀態(tài)
session.save(person);
session.getTransaction().commit();
}catch(Exception e) {
e.printStackTrace();
session.getTransaction().rollback();
}finally {
HibernateUtils.closeSession(session);
}
}
public void saveOne2One1() {
Session session = null;
try {
session = HibernateUtils.getSession();
session.beginTransaction();
IdCard idCard = new IdCard();
idCard.setCardNo("12345678909999999");
session.save(idCard);
Person person = new Person();
person.setName("張三");
//在兩個(gè)對象之間建立關(guān)聯(lián)
person.setIdCard(idCard);
//不能保存,因?yàn)镮dCard為瞬時(shí)狀態(tài)
session.save(person);
session.getTransaction().commit();
}catch(Exception e) {
e.printStackTrace();
session.getTransaction().rollback();
}finally {
HibernateUtils.closeSession(session);
}
}
public void saveOne2One2() {
Session session = null;
try {
session = HibernateUtils.getSession();
session.beginTransaction();
IdCard idCard = new IdCard();
idCard.setCardNo("12345678909999999");
Person person = new Person();
person.setName("張三");
//在兩個(gè)對象之間建立關(guān)聯(lián)
//person.setIdCard(idCard);
idCard.setPerson(person);
session.save(person);
session.getTransaction().commit();
}catch(Exception e) {
e.printStackTrace();
session.getTransaction().rollback();
}finally {
HibernateUtils.closeSession(session);
}
}
/**
* 從Person加載數(shù)據(jù)
*
*/
public void testLoadOne2One() {
Session session = null;
try {
session = HibernateUtils.getSession();
session.beginTransaction();
Person person = (Person)session.load(Person.class, 2);
System.out.println("姓名:" + person.getName());
System.out.println("身份證號:" + person.getIdCard().getCardNo());
session.getTransaction().commit();
}catch(Exception e) {
e.printStackTrace();
session.getTransaction().rollback();
}finally {
HibernateUtils.closeSession(session);
}
}
/**
* 從IdCard加載數(shù)據(jù)
*
*/
public void testLoadOne2One1() {
Session session = null;
try {
session = HibernateUtils.getSession();
session.beginTransaction();
IdCard idcard = (IdCard)session.load(IdCard.class, 1);
System.out.println("姓名:" + idcard.getPerson().getName());
System.out.println("身份證號:" + idcard.getCardNo());
session.getTransaction().commit();
}catch(Exception e) {
e.printStackTrace();
session.getTransaction().rollback();
}finally {
HibernateUtils.closeSession(session);
}
}
}
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