/* * Hibernate, Relational Persistence for Idiomatic Java * * License: GNU Lesser General Public License (LGPL), version 2.1 or later. * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>. */ package org.hibernate.test.onetoone.basic; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.OneToOne; import javax.persistence.Table; /** * @author Florian Rampp * @author Steve Ebersole */ @Entity @Table( name = "CHILD") public class Child { @Id // A @OneToOne here results in the following DDL: create table child ([...] primary key // (parent), unique (parent)). // Oracle does not like a unique constraint and a PK on the same column (results in ORA-02261) @OneToOne(optional = false) private Parent parent; public void setParent(Parent parent) { this.parent = parent; } }