复件 cheesepizza.hpp

一个皮萨店的源码。可以连锁的

#ifndef	_HEAD_FIRST_DESIGN_PATTERNS_FACTORY_ABSTRACT_CHEESE_PIZZA_HPP_
#define _HEAD_FIRST_DESIGN_PATTERNS_FACTORY_ABSTRACT_CHEESE_PIZZA_HPP_

#include "Pizzaaf.hpp"

namespace HeadFirstDesignPatterns {
namespace Factory {
namespace Abstract {

class CheesePizza : public Pizza {
	private: PizzaIngredientFactory* ingredientFactory;

	public: CheesePizza(PizzaIngredientFactory* ingredientFactory) {
		this->ingredientFactory = ingredientFactory;
	}
 	public: virtual void prepare() {
		std::cout << "Preparing " << getName().c_str() << std::endl;
		dough = ingredientFactory->createDough();
		sauce = ingredientFactory->createSauce();
		cheese = ingredientFactory->createCheese();
	}
};

} // namespace Abstract
} // namespace Factory
} // namespace HeadFirstDesignPatterns

#endif