//$Id$ package org.hibernate.test.annotations.manytoone; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; /** * Color showing a surrogate key and a unique constraint to ensure business rule * * @author Emmanuel Bernard */ @Entity public class Color { private Integer id; private String name; @Id @GeneratedValue public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } @Column(unique = true) public String getName() { return name; } public void setName(String name) { this.name = name; } }