/*** 宏命令* @author wuqi* @Date 2019/1/29 17:44*/
public class MacroCommand implements Command {private List<Command> commands;public MacroCommand(List<Command> commands){this.commands = commands;}@Overridepublic void execute() {for(Command command : commands){command.execute();}}@Overridepublic void undo() {for(int i=commands.size() - 1;i>=0;i--){commands.get(i).undo();}}
}

/*** 宏命令测试* @author wuqi* @Date 2019/1/29 17:49*/
public class RemoteControlTest {public static void main(String[] args) {//创建电器Light livingRoomLight = new Light();AirCondition airCondition = new AirCondition();Refrigerator refrigerator = new Refrigerator();//创建宏命令并将其设置到遥控器中LightOnCommand lightOnCommand = new LightOnCommand(livingRoomLight);LightOffCommand lightOffCommand = new LightOffCommand(livingRoomLight);AirConditionOnCommand airConditionOnCommand = new AirConditionOnCommand(airCondition);AirConditionOffCommand airConditionOffCommand = new AirConditionOffCommand(airCondition);RefrigeratorOnCommand refrigeratorOnCommand = new RefrigeratorOnCommand(refrigerator);RefrigeratorOffCommand refrigeratorOffCommand = new RefrigeratorOffCommand(refrigerator);List<Command> onCommands = new ArrayList<>();onCommands.add(lightOnCommand);onCommands.add(airConditionOnCommand);onCommands.add(refrigeratorOnCommand);List<Command> offCommands = new ArrayList<>();offCommands.add(lightOffCommand);offCommands.add(airConditionOffCommand);offCommands.add(refrigeratorOffCommand);MacroCommand onMacroCommand = new MacroCommand(onCommands);MacroCommand offMacroCommad = new MacroCommand(offCommands);RemoteControl remoteControl = new RemoteControl();remoteControl.setCommand(0,onMacroCommand,offMacroCommad);//打开电灯，打开空调，打开冰箱remoteControl.onButtonPushed(0);//关上电灯，关上空调，关掉冰箱remoteControl.offButtonPushed(0);//撤销
        remoteControl.undo();}
}