CatapultCacheView.h

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#pragma once
#include "StateHashInfo.h"
#include "SubCachePlugin.h"
#include <memory>
 
namespace catapult {
    namespace cache {
        class CacheHeightView;
        class ReadOnlyCatapultCache;
    }
}
 
namespace catapult { namespace cache {
 
    class CatapultCacheView {
    public:
        CatapultCacheView(CacheHeightView&& cacheHeightView, std::vector<std::unique_ptr<const SubCacheView>>&& subViews);
 
        ~CatapultCacheView();
 
    public:
        // make this class move only (the definitions are in the source file in order to allow forward declarations)
        CatapultCacheView(CatapultCacheView&&);
        CatapultCacheView& operator=(CatapultCacheView&&);
 
    public:
        template<typename TCache>
        const typename TCache::CacheViewType& sub() const {
            return *static_cast<const typename TCache::CacheViewType*>(m_subViews[TCache::Id]->get());
        }
 
    public:
        StateHashInfo calculateStateHash() const;
 
        Height height() const;
 
    public:
        ReadOnlyCatapultCache toReadOnly() const;
 
    private:
        std::unique_ptr<CacheHeightView> m_pCacheHeight; // use a unique_ptr to allow fwd declare
        std::vector<std::unique_ptr<const SubCacheView>> m_subViews;
    };
}}