broker.java

来自「这是学习java与设计模式一书时所必备的源代码。只有这样才能更加深刻的理解编程的」· Java 代码 · 共 25 行

package com.javapatterns.command.stocktrader;
 
// Invoker. Invoker.java 
public class Broker
{
    /**
     * @link aggregation 
     */
	private Command buyCommand, sellCommand; 
	
	public Broker( Command buy, Command sell)
    {
		buyCommand = buy;
		sellCommand = sell;
	} 
	void buy()
    {
		buyCommand.execute() ;
	} 
	void sell()
    {
		sellCommand.execute(); 
	} 
}