regionalarticle.java

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//$Id: RegionalArticle.java,v 1.2 2004/12/05 21:30:12 epbernard Exp $
package org.hibernate.test.metadata.dependent;

import javax.ejb.Entity;
import javax.ejb.Id;
import javax.ejb.GeneratorType;
import java.io.Serializable;

/**
 * A regional article is typically a bad design, it keep the country iso2 and a business key as
 * (composite) primary key
 * @author Emmanuel Bernard
 */
@Entity
public class RegionalArticle implements Serializable {
	private RegionalArticlePk pk;
	private String name;

	@Id(generate = GeneratorType.NONE)
	public RegionalArticlePk getPk() {
		return pk;
	}

	public void setPk(RegionalArticlePk pk) {
		this.pk = pk;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int hashCode() {
		//a NPE can occurs, but I don't expect hashcode to be used before pk is set
		return getPk().hashCode();
	}

	public boolean equals(Object obj) {
		//a NPE can occurs, but I don't expect equals to be used before pk is set
		if (obj != null && obj instanceof RegionalArticle) {
			return getPk().equals( ( (RegionalArticle) obj).getPk() );	
		}
		else {
			return false;
		}
	}
}