如何在hibernate中只使用主键列而不是整个实体映射外键关系？_Hibernate_Hibernate Annotations_Hibernate Entitymanager

如何在hibernate中只使用主键列而不是整个实体映射外键关系？

hibernate

如何在hibernate中只使用主键列而不是整个实体映射外键关系？,hibernate,hibernate-annotations,hibernate-entitymanager,Hibernate,Hibernate Annotations,Hibernate Entitymanager,我想实现这样的目标，其中A_id是A的外键 @Entity Class A { @Id private long id } @Entity Class B { @Id private long id; @ManyToOne private long A_id; }

我想实现这样的目标，其中A_id是A的外键

@Entity
Class A {
  @Id
  private long id
}

@Entity
Class B {
  @Id
  private long id;

  @ManyToOne
  private long A_id;
}