LinksUsagesValidator.h

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namespace Platform::Data::Doublets::Decorators
{
    template <typename...>
    class LinksUsagesValidator;
    template <std::integral TLinkAddress>
    class LinksUsagesValidator<TLinkAddress> : public DecoratorBase<TFacade, TDecorated>
    {
      public:
        LinksUsagesValidator(ILinks<TLinkAddress>& storage) : DecoratorBase(storage) {}
 
      public:
        TLinkAddress Update(const LinkType& restriction, const LinkType& substitution)
        {
            storage.EnsureNoUsages(restriction[_constants.IndexPart]);
            return storage.Update(restriction, substitution);
        }
 
      public:
        void Delete(const LinkType& restriction)
        {
            auto link = restriction[_constants.IndexPart];
            storage.EnsureNoUsages(link);
            storage.Delete(link);
        }
    };
} // namespace Platform::Data::Doublets::Decorators