/**
 * factorymethod.h
 * Implemented by Blueprint Technologies, Inc.
 */

#ifndef _factorymethod_h
#define _factorymethod_h

/**
 * Defines the interface of objects the factory method creates.
 */

class Product
{
};

/**
 * Implements the Product interface.
 */

class ConcreteProduct: public Product
{
};

/**
 * Declares the factory method, which returns an object of
 * type Product. Creator may also define a default implementation
 * of the factory method that returns a default ConcreteProduct object.
 */

class Creator
{

protected:
	virtual Product* factoryMethod() = 0;

public:
	void anOperation()
	{
		Product* product = factoryMethod();

		/**
		 * Do some things with the Product object.
		 */

		delete product;
	};

};

/**
 * Overrides the factory method to return an instance of
 * a ConcreteProduct object.
 */

class ConcreteCreator: public Creator
{

protected:
	virtual Product* factoryMethod()
	{
		return new ConcreteProduct();
	};
};

#endif