package org.hibernate.test.annotations.engine.collection; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.Table; /** * @author Emmanuel Bernard */ @Entity @Table(name="co_son") public class Son { @Id @GeneratedValue public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } private Integer id; @ManyToOne(optional = false) @JoinColumn(name = "father_id", insertable = false, updatable = false, nullable = false) public Father getFather() { return father; } public void setFather(Father father) { this.father = father; } private Father father; @ManyToOne public Mother getMother() { return mother; } public void setMother(Mother mother) { this.mother = mother; } private Mother mother; }