本文地址: http://blog.csdn.net/caroline_wendy
参考: 命名模式(撤销): http://blog.csdn.net/caroline_wendy/article/details/31419101
命令模式可以执行宏命令(macro command), 即多个命令的组合操作.
具体方法:
1. 其余代码与命令(撤销)一致
2. 添加宏命令(macro command), 继承命令接口, 包含命令数组(Command[]), 依次执行(execute)或撤销(undo)命令.
/**
* @time 2014年6月16日
*/
package command;
/**
* @author C.L.Wang
*
*/
public class MecroCommand implements Command {
Command[] commands;
public MecroCommand (Command[] commands) {
this.commands = commands;
}
/* (non-Javadoc)
* @see command.Command#execute()
*/
@Override
public void execute() {
// TODO Auto-generated method stub
for (int i=0; i<commands.length; ++i) {
commands[i].execute();
}
}
/* (non-Javadoc)
* @see command.Command#undo()
*/
@Override
public void undo() {
// TODO Auto-generated method stub
for (int i = commands.length-1; i >= 0; i--) {
commands[i].undo();
}
}
}
/**
* @time 2014年6月16日
*/
package command;
import javax.crypto.spec.IvParameterSpec;
/**
* @author C.L.Wang
*
*/
public class RemoteLoader {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
RemoteControl remoteControl = new RemoteControl();
Light livingRoomLight = new Light("Living Room");
Light kitchenLight = new Light("Kitchen");
CeilingFan ceilingFan = new CeilingFan("Living Room");
Stereo stereo = new Stereo("Living Room");
LightOnCommand livingRoomLightOn = new LightOnCommand(livingRoomLight);
LightOffCommand livingRoomLightOff = new LightOffCommand(livingRoomLight);
LightOnCommand kitchenLightOn = new LightOnCommand(kitchenLight);
LightOffCommand kitchenLightOff = new LightOffCommand(kitchenLight);
CeilingFanHighCommand ceilingFanHigh = new CeilingFanHighCommand(ceilingFan);
CeilingFanOffCommand ceilingFanOff = new CeilingFanOffCommand(ceilingFan);
StereoOnWithCDCommand stereoOnWithCD = new StereoOnWithCDCommand(stereo);
StereoOffCommand stereoOffCommand = new StereoOffCommand(stereo);
Command[] partyOn = { livingRoomLightOn, kitchenLightOn, ceilingFanHigh, stereoOnWithCD };
Command[] partyOff = { livingRoomLightOff, kitchenLightOff, ceilingFanOff, stereoOffCommand };
MecroCommand partyOnMecro = new MecroCommand(partyOn);
MecroCommand partyOffMecro = new MecroCommand(partyOff);
remoteControl.setCommand(0, livingRoomLightOn, livingRoomLightOff); //设这遥控器
remoteControl.setCommand(1, kitchenLightOn, kitchenLightOff);
remoteControl.setCommand(2, ceilingFanHigh, ceilingFanOff);
remoteControl.setCommand(3, stereoOnWithCD, stereoOffCommand);
remoteControl.setCommand(4, partyOnMecro, partyOffMecro);
System.out.println(remoteControl);
System.out.println("--- Pushing Macro On ---");
remoteControl.onButtonWasPushed(4); //关闭高速
System.out.println("--- Pushing Macro Off ---");
remoteControl.offButtonWasPushed(4); //关闭高速
System.out.println("--- Pushing Macro Undo ---");
remoteControl.undoButtonWasPushed(); //退回高速
}
}
------ Remote Control ------ [slot 0] command.LightOnCommand command.LightOffCommand [slot 1] command.LightOnCommand command.LightOffCommand [slot 2] command.CeilingFanHighCommand command.CeilingFanOffCommand [slot 3] command.StereoOnWithCDCommand command.StereoOffCommand [slot 4] command.MecroCommand command.MecroCommand [slot 5] command.NoCommand command.NoCommand [slot 6] command.NoCommand command.NoCommand --- Pushing Macro On --- Living Room Light is on Kitchen Light is on Living Room ceiling fan is on high Living Room stereo is on Living Room stereo is set for CD input Living Room Stereo volume set to 11 --- Pushing Macro Off --- Living Room Light is off Kitchen Light is off Living Room ceiling fan is off Living Room stereo is off --- Pushing Macro Undo --- Living Room stereo is on Living Room stereo is set for CD input Living Room Stereo volume set to 11 Living Room ceiling fan is on high Kitchen Light is on Living Room Light is on
设计模式 - 命令模式(command pattern) 宏命令(macro command) 详解,布布扣,bubuko.com
设计模式 - 命令模式(command pattern) 宏命令(macro command) 详解
原文地址：http://blog.csdn.net/caroline_wendy/article/details/31446423
