Hibernate 一对一双向关联 Annotation

package com.hibernate.model;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;

@Entity
public class Husband {

private int id;
private String name;
private Wife wife;

@Id
@GeneratedValue
public int getId() {
return id;
}

public void setId(int id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

@OneToOne
@JoinColumn(name="WifeId")
public Wife getWife() {
return wife;
}

public void setWife(Wife wife) {
this.wife = wife;
}
}

package com.hibernate.model;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToOne;

@Entity
public class Wife {

private int id;
private String name;
private Husband husband;

@OneToOne(mappedBy="wife")
public Husband getHusband() {
return husband;
}

public void setHusband(Husband husband) {
this.husband = husband;
}

@Id
@GeneratedValue
public int getId() {
return id;
}

public void setId(int id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

}