83 lines
1.1 KiB
C++
83 lines
1.1 KiB
C++
#ifndef __FACADE_PATTERN_H__
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#define __FACADE_PATTERN_H__
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#include <stdio.h>
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// subsystem: Memory
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class Memory
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{
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public:
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Memory(){}
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void selfCheck(){
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printf("memory selfchecking......\n");
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}
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};
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// subsystem: CPU
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class CPU
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{
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public:
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CPU(){}
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void run(){
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printf("running cpu......\n");
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}
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};
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// subsystem: hardDisk
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class HardDisk
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{
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public:
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HardDisk(){}
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void read(){
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printf("reading hardDisk......\n");
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}
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};
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// subsystem: OS
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class OS
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{
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public:
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OS(){}
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void load(){
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printf("loading os.....\n");
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}
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};
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class Facade
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{
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public:
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Facade(){
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memory = new Memory();
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cpu = new CPU();
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hardDisk = new HardDisk();
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os = new OS();
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}
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~Facade(){
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delete memory;
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delete cpu;
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delete hardDisk;
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delete os;
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memory = nullptr;
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cpu = nullptr;
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hardDisk = nullptr;
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os = nullptr;
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}
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Facade(const Facade& facade) = delete;
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Facade operator=(const Facade& facade) = delete;
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void powerOn(){
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printf("power on……\n");
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memory->selfCheck();
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cpu->run();
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hardDisk->read();
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os->load();
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printf("ready!\n");
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}
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private:
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Memory *memory;
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CPU *cpu;
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HardDisk *hardDisk;
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OS *os;
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};
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#endif //__FACADE_PATTERN_H__
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