CatapultCacheDelta.h

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#pragma once
#include "StateHashInfo.h"
#include "SubCachePlugin.h"
#include <memory>
 
namespace catapult { namespace cache { class ReadOnlyCatapultCache; } }
 
namespace catapult { namespace cache {
 
    class CatapultCacheDelta {
    public:
        explicit CatapultCacheDelta(std::vector<std::unique_ptr<SubCacheView>>&& subViews);
 
        ~CatapultCacheDelta();
 
    public:
        // make this class move only (the definitions are in the source file in order to allow forward declarations)
        CatapultCacheDelta(CatapultCacheDelta&&);
        CatapultCacheDelta& operator=(CatapultCacheDelta&&);
 
    public:
        template<typename TCache>
        const typename TCache::CacheDeltaType& sub() const {
            return *static_cast<const typename TCache::CacheDeltaType*>(m_subViews[TCache::Id]->get());
        }
 
        template<typename TCache>
        typename TCache::CacheDeltaType& sub() {
            return *static_cast<typename TCache::CacheDeltaType*>(m_subViews[TCache::Id]->get());
        }
 
    public:
        StateHashInfo calculateStateHash(Height height) const;
 
        void setSubCacheMerkleRoots(const std::vector<Hash256>& subCacheMerkleRoots);
 
    public:
        ReadOnlyCatapultCache toReadOnly() const;
 
    private:
        std::vector<std::unique_ptr<SubCacheView>> m_subViews;
    };
}}