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package designPattern.command;

import java.util.ArrayList;

import java.util.List;

/**

* 服务员类 (属于请求者角色)

*/

public class Waiter {

// 持有多个命令对象

private List<Command> commands = new ArrayList<>();

public void setCommand(Command cmd){

commands.add(cmd);

}

// 发起命令功能

public void OrderUp(){

System.out.println("服务员：大厨，新订单来啦");

for (Command command : commands) {

if(command!=null){

command.execute();

}

}

}

}