groupadvisor.java

本书透彻讲解了经典的《设计模式：可复用面向对象软件的基础》一书涵盖的23种基本设计模式。本书将这些设计模式分成五类：接口型模式、责任型模式、构造型模式、操作型模式

package com.oozinoz.recommend;

import com.oozinoz.fireworks.*;

/*
 * Copyright (c) 2001 Steven J. Metsker.
 * 
 * Steve Metsker makes no representations or warranties about
 * the fitness of this software for any particular purpose, 
 * including the implied warranty of merchantability.
 *
 * Please use this software as you wish with the sole
 * restriction that you may not claim that you wrote it.
 */
/**
 * Implement the Advisor interface by relying on the Rel8
 * engine that relates a customer's preferences to other
 * customers' tastes.
 * 
 * @author Steven J. Metsker
 */
public class GroupAdvisor implements Advisor 
{
	public static final GroupAdvisor singleton =
		new GroupAdvisor();
private GroupAdvisor()
{
}
/**
 * Recommend a nice item for this customer, based on how
 * this customer's taste in music and extreme sports correlates
 * with other customers and with their fireworks preferences.
 *
 * @param Customer the customer to cross-sell
 * @return a nice item for the customer to buy
 */
public Firework recommend(Customer c)
{
	return (Firework) Rel8.advise(c);
}
}