AggregateExternalCacheStorage.h

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#pragma once
#include "ExternalCacheStorage.h"
#include "catapult/utils/NamedObject.h"
#include <vector>
 
namespace catapult { namespace mongo {
 
    class AggregateExternalCacheStorage : public ExternalCacheStorage {
    public:
        using StorageContainer = std::vector<std::unique_ptr<ExternalCacheStorage>>;
 
    public:
        explicit AggregateExternalCacheStorage(StorageContainer&& storages)
                : ExternalCacheStorage(utils::ReduceNames(utils::ExtractNames(storages)), 0)
                , m_storages(std::move(storages))
        {}
 
    public:
        void saveDelta(const cache::CacheChanges& changes) override {
            for (const auto& pStorage : m_storages)
                pStorage->saveDelta(changes);
        }
 
    private:
        StorageContainer m_storages;
    };
}}