hibernate学习（设计一对一 关系 映射）

//主表
package org.crazy.app.domain;
import javax.persistence.*;
@Entity
@Table(name="person_inf")
public class Person {
@Id
@Column(name="person_id")
@GeneratedValue(strategy=GenerationType.IDENTITY)
private Integer id;
private String name;
private int age;
@OneToOne(targetEntity=Address.class,mappedBy="person")
private Address address;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Address getAddress() {
return address;
}
public void setAddress(Address address) {
this.address = address;
}
}

//-----------------------------------
package org.crazy.app.domain;

import javax.persistence.*;

@Entity
@Table(name="address_inf")
public class Address {
@Id
@Column(name="address_id")
@GeneratedValue(strategy=GenerationType.IDENTITY)
private Integer addressId;
private String addressDetail;
@OneToOne(targetEntity=Person.class)
@JoinColumn(name="person_id", referencedColumnName="person_id",unique=true)
private Person person;
public Integer getAddressId() {
return addressId;
}
public void setAddressId(Integer addressId) {
this.addressId = addressId;
}

public Address(String addressDetail) {
this.addressDetail = addressDetail;
}
public String getAddressDetail() {
return addressDetail;
}
public void setAddressDetail(String addressDetail) {
this.addressDetail = addressDetail;
}
public Person getPerson() {
return person;
}
public void setPerson(Person person) {
this.person = person;
}

}

public static void main(String[] args) {
testCascase();
}
public static void testCascase(){
Session session=HibernateUtil.currentSession();
Transaction tx=session.beginTransaction();
Person p=new Person();
p.setName("潘庆强");
Address a=new Address("宜山路333号");
p.setAddress(a);a.setPerson(p);
session.save(p);
session.save(a);
tx.commit();
HibernateUtil.closeSession();
}