联合主键一对一单向关联

Annotation 方法

表结构：

'CREATE TABLE `address` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(45) DEFAULT NULL,
  `personID` int(11) NOT NULL,
  `personName` varchar(45) NOT NULL,
  PRIMARY KEY (`id`),
  KEY `FK_cuouomn7m2bjnuywew2n5im4w` (`personID`,`personName`),
  CONSTRAINT `FK_cuouomn7m2bjnuywew2n5im4w` FOREIGN KEY (`personID`, `personName`) REFERENCES `person` (`id`, `name`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8'

'CREATE TABLE `person` (
  `id` int(11) NOT NULL,
  `name` varchar(45) NOT NULL,
  `age` int(11) NOT NULL,
  PRIMARY KEY (`id`,`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8'

PersonID 类

package hibernate.entities;

import java.io.Serializable;

public class PersonID implements Serializable {
private int id;
private String name;

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;
}

}

Person类

package hibernate.entities;

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

@Entity
@IdClass(PersonID.class)
public class Person {
private int id;
private String name;
private int age;

@Id
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}

@Id
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

@Column
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}

}

Address类

package hibernate.entities;

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

@Entity
public class Address {
private int id;
private String name;
private Person person;

@Id
@GeneratedValue
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}

@Column
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

@OneToOne
@JoinColumns(
{
@JoinColumn(name="personID", referencedColumnName="id"),
@JoinColumn(name="personName", referencedColumnName="name")
}
)
public Person getPerson() {
return person;
}
public void setPerson(Person person) {
this.person = person;
}

}