c#中的产品交易模式

此链接是一篇详细介绍"Product Trader Pattern"的论文

有没有人有一些经验可以分享?链接到一些示例代码?

我特别想看一些c#的实现示例。

有两个问题让我困惑:
(1)产品的创造。有人能把下面这篇论文中的示例代码翻译成c#吗
(2)规范类是否与Evans和Fowler倡导的规范模式相同?

欢呼,
Berryl

template<class ProductType, class SpecType>
class Creator
{
    public:
        Creator(SpecType aSpec) : _aSpecification(aSpec) {}
        SpecType getSpecification() { return _aSpecification; }
        ProductType * create() = 0; 
    private:
        SpecType _aSpecification;
};
template<class ProductType, class ConcreteProductType, class SpecType>
class ConcreteCreator : public Creator<ProductType, SpecType>
{
    public:
        ConcreteCreator(SpecType aSpec) : Creator<ProductType, SpecType>(aSpec) {}
        ProductType * create() { return new ConcreteProductType; }
}

public abstract class Creator<ProductType, SpecType>
{
    public Creator(SpecType aSpec) { _aSpecification = aSpec; }
    public SpecType GetSpecification() { return _aSpecification; }
    public abstract ProductType Create();
    private SpecType _aSpecification;
}
public class ConcreteCreator<ProductType, ConcreteProductType, SpecType> : Creator<ProductType, SpecType> where ConcreteProductType : ProductType, new()
{
    public ConcreteCreator(SpecType aSpec) : base(aSpec) { }
    public override ProductType Create() { return new ConcreteProductType(); }
}