173 lines
2.3 KiB
C++
173 lines
2.3 KiB
C++
#ifndef __COMMAND_PATTERN_H__
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#define __COMMAND_PATTERN_H__
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#include <mutex>
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#include <time.h>
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using namespace std;
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// 命令队列类
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#define COMMAND_QUEUE
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// 抽象命令类 Command
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class Command
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{
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public:
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Command(){}
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virtual ~Command(){}
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// 声明抽象接口：发送命令
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virtual void execute() = 0;
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private:
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Command *command;
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};
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// 接收者：电灯类
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class Lamp
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{
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public :
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Lamp(){
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this->lampState = false;
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}
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void on(){
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lampState = true;
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printf("Lamp is on\n");
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}
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void off(){
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lampState = false;
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printf("Lamp is off\n");
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}
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bool getLampState(){
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return lampState;
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}
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private:
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bool lampState;
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};
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// 接收者：风扇类
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class Fan
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{
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public:
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Fan(){
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this->fanState = false;
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}
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void on(){
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fanState = true;
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printf("Fan is on\n");
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}
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void off(){
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fanState = false;
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printf("Fan is off\n");
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}
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bool getFanState(){
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return fanState;
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}
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private:
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bool fanState;
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};
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// 具体命令类 LampCommand
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class LampCommand :public Command
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{
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public:
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LampCommand(){
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printf("开关控制电灯\n");
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lamp = new Lamp();
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}
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// 实现execute()
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void execute(){
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if (lamp->getLampState()){
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lamp->off();
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}
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else{
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lamp->on();
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}
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}
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private:
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Lamp *lamp;
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};
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// 具体命令类 FanCommand
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class FanCommand :public Command
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{
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public:
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FanCommand(){
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printf("开关控制风扇\n");
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fan = new Fan();
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}
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// 实现execute()
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void execute(){
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if (fan->getFanState()){
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fan->off();
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}
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else{
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fan->on();
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}
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}
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private:
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Fan *fan;
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};
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// 调用者 Button
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class Button
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{
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public:
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Button(){}
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// 注入具体命令类对象
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void setCommand(Command *cmd){
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this->command = cmd;
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}
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// 发送命令：触摸按钮
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void touch(){
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printf("触摸开关:");
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command->execute();
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}
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private:
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Command *command;
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};
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#ifdef COMMAND_QUEUE
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/*************************************/
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/* 命令队列 */
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#include <vector>
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// 命令队列类
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class CommandQueue
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{
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public:
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CommandQueue(){
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}
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void addCommand(Command *cmd){
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commandQueue.push_back(cmd);
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}
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void execute(){
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for (int i = 0; i < commandQueue.size(); i++)
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{
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commandQueue[i]->execute();
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}
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}
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private:
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vector<Command*>commandQueue;
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};
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// 调用者
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class Button2
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{
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public:
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Button2(){}
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// 注入具体命令队列类对象
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void setCommandQueue(CommandQueue *cmdQueue){
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this->cmdQueue = cmdQueue;
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}
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// 发送命令：触摸按钮
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void touch(){
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printf("触摸开关:");
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cmdQueue->execute();
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}
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private:
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CommandQueue *cmdQueue;
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};
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#endif
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#endif //__COMMAND_PATTERN_H__
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