parentpk.java

hibernate方便的操作数据库相当不错的 请各位下载看看啊

//$Id: ParentPk.java,v 1.1 2004/11/29 23:48:36 epbernard Exp $
package org.hibernate.test.metadata.onetomany;

import javax.ejb.DependentObject;
import javax.ejb.AccessType;
import java.io.Serializable;

/**
 * @author Emmanuel Bernard
 */
@DependentObject(access = AccessType.FIELD)
public class ParentPk implements Serializable {
	String firstName;
	String lastName;

	/** is a male or a female */
	//show hetereogenous PK types
	boolean isMale;

	public int hashCode() {
		//this implem sucks
		return firstName.hashCode() + lastName.hashCode() + (isMale?0:1);
	}

	public boolean equals(Object obj) {
		//firstName and lastName are expected to be set in this implem
		if (obj != null && obj instanceof ParentPk) {
			ParentPk other = (ParentPk) obj;
			return firstName.equals(other.firstName)
					&& lastName.equals(other.lastName)
					&& isMale == other.isMale;
		}
		else {
			return false;
		}
	}
}