One-to-one unidirectional association with primary key

Annotation method

 

Table Structure:

'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 class

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 class

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 class

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;
	}
	
	
	
}