LinksItselfConstantToSelfReferenceResolver.h

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namespace Platform::Data::Doublets::Decorators
{
    template <typename...>
    class LinksItselfConstantToSelfReferenceResolver;
    template <std::integral TLinkAddress>
    class LinksItselfConstantToSelfReferenceResolver<TLinkAddress> : public DecoratorBase<TFacade, TDecorated>
    {
      public:
        LinksItselfConstantToSelfReferenceResolver(ILinks<TLinkAddress>& storage) : DecoratorBase(storage) {}
 
      public:
        TLinkAddress Each(Func<IList<TLinkAddress>, TLinkAddress> handler, const LinkType& restriction)
        {
            auto constants = _constants;
            auto itselfConstant = constants.Itself;
            if (!constants.Any == itselfConstant && restriction.Contains(itselfConstant))
            {
                return constants.Continue;
            }
            return this->decorated().TDecorated::Each(restriction, handler);
        }
 
      public:
        TLinkAddress Update(const LinkType& restriction, const LinkType& substitution)
        {
            return this->decorated().TDecorated::Update(
                restriction, this->decorated().TDecorated::ResolveConstantAsSelfReference(_constants.Itself,
                                                                                          restriction, substitution));
        }
    };
} // namespace Platform::Data::Doublets::Decorators