CatapultCacheBuilder.h

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#pragma once
#include "CatapultCache.h"
#include "SubCachePluginAdapter.h"
#include "catapult/exceptions.h"
 
namespace catapult { namespace cache {
 
    class CatapultCacheBuilder {
    public:
        template<typename TStorageTraits, typename TCache>
        void add(std::unique_ptr<TCache>&& pSubCache) {
            add(std::make_unique<SubCachePluginAdapter<TCache, TStorageTraits>>(std::move(pSubCache)));
        }
 
        void add(std::unique_ptr<SubCachePlugin>&& pSubCachePlugin) {
            auto id = pSubCachePlugin->id();
            m_subCaches.resize(std::max(m_subCaches.size(), id + 1));
            if (m_subCaches[id])
                CATAPULT_THROW_INVALID_ARGUMENT_1("sub cache has already been registered with id", id);
 
            m_subCaches[id] = std::move(pSubCachePlugin);
        }
 
    public:
        CatapultCache build() {
            CATAPULT_LOG(debug) << "creating CatapultCache with " << m_subCaches.size() << " sub caches";
            return CatapultCache(std::move(m_subCaches));
        }
 
    private:
        std::vector<std::unique_ptr<SubCachePlugin>> m_subCaches;
    };
}}