@OneToone同时将主键作为外键（Spring JPA/Hibernate）

Question

我有一个这样的实体：

@Entity
public class Person {

    @Id
    private Long id;

    private String firstName;

    // Getters and setters
}

@Entity
public class PersonDetail {

    @Id
    @OneToOne
    private Long id; // should be referred to id of Person entity
    // or maybe private Person person; ???

    private String language;
    private Integer age;

    // Getters and setters
}

多谢了，安德里亚

Answer 1

您可以通过OneToOne和ManyToOne关系跟踪以下wiki：主键

将PersonDetail实体重写为：

@Entity
public class PersonDetail {

    @Id
    private Long id;

    @OneToOne
    @PrimaryKeyJoinColumn
    private Person person;

    private String language;
    private Integer age;

    // Getters and setters
}