HashCacheDelta.h

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#pragma once
#include "HashCacheTypes.h"
#include "catapult/cache/CacheMixinAliases.h"
#include "catapult/cache/ReadOnlySimpleCache.h"
#include "catapult/cache/ReadOnlyViewSupplier.h"
 
namespace catapult { namespace cache {
 
    using HashCacheDeltaMixins = BasicCacheMixins<HashCacheTypes::PrimaryTypes::BaseSetDeltaType, HashCacheDescriptor>;
 
    class BasicHashCacheDelta
            : public utils::MoveOnly
            , public HashCacheDeltaMixins::Size
            , public HashCacheDeltaMixins::Contains
            , public HashCacheDeltaMixins::BasicInsertRemove
            , public HashCacheDeltaMixins::DeltaElements {
    public:
        using ReadOnlyView = HashCacheTypes::CacheReadOnlyType;
        using ValueType = HashCacheDescriptor::ValueType;
 
    public:
        BasicHashCacheDelta(const HashCacheTypes::BaseSetDeltaPointers& hashSets, const HashCacheTypes::Options& options);
 
    public:
        utils::TimeSpan retentionTime() const;
 
        deltaset::PruningBoundary<ValueType> pruningBoundary() const;
 
    public:
        void prune(Timestamp timestamp);
 
    private:
        HashCacheTypes::PrimaryTypes::BaseSetDeltaPointerType m_pOrderedDelta;
        utils::TimeSpan m_retentionTime;
        deltaset::PruningBoundary<ValueType> m_pruningBoundary;
    };
 
    class HashCacheDelta : public ReadOnlyViewSupplier<BasicHashCacheDelta> {
    public:
        HashCacheDelta(const HashCacheTypes::BaseSetDeltaPointers& hashSets, const HashCacheTypes::Options& options)
                : ReadOnlyViewSupplier(hashSets, options)
        {}
    };
}}