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command.cc
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58 lines (43 loc) · 1.37 KB
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//
// Created by Jennica on 2017/1/3.
//
#include "command.h"
#include <iostream>
#include <typeinfo>
void Barbecuer::BakeMutton() {
std::cout << "bake mutton" << std::endl;
}
void Barbecuer::BakeChicken() {
std::cout << "bake chicken" << std::endl;
}
Command::Command(Barbecuer *barbecuer): barbecuer_(barbecuer) {}
BakeMuttonCommand::BakeMuttonCommand(Barbecuer *barbecuer): Command(barbecuer) {}
void BakeMuttonCommand::ExecuteCommand() {
barbecuer_->BakeMutton();
}
BakeChickenCommand::BakeChickenCommand(Barbecuer *barbecuer): Command(barbecuer) {}
void BakeChickenCommand::ExecuteCommand() {
barbecuer_->BakeChicken();
}
void Waiter::SetOrder(Command *command) {
if(dynamic_cast<BakeChickenCommand*>(command)){
std::cout << "chicken sold out" << std::endl;
} else {
commands_.push_back(command);
std::cout << "add: " << std::string(typeid(*command).name()).substr(2) << std::endl;
}
}
void Waiter::CancelOrder(Command *command) {
for(std::vector <Command*> ::iterator it = commands_.begin(); it != commands_.end(); ++it) {
if(*it == command) {
commands_.erase(it);
std::cout << "cancel: " << std::string(typeid(*command).name()).substr(2) << std::endl;
return;
}
}
}
void Waiter::Notify() {
for (std::vector<Command *>::iterator it = commands_.begin(); it != commands_.end(); ++it) {
(*it)->ExecuteCommand();
}
}