PatriciaTreeContainer.h

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#pragma once
#include "RdbTypedColumnContainer.h"
#include "catapult/tree/PatriciaTreeSerializer.h"
#include "catapult/tree/TreeNode.h"
 
namespace catapult { namespace cache {
 
    struct PatriciaTreeColumnDescriptor {
    public:
        using KeyType = Hash256;
        using ValueType = tree::TreeNode;
        using StorageType = std::pair<const KeyType, ValueType>;
 
    public:
        static const auto& GetKeyFromValue(const ValueType& treeNode) {
            return treeNode.hash();
        }
 
        static auto ToStorage(const ValueType& treeNode) {
            return StorageType(GetKeyFromValue(treeNode), treeNode.copy());
        }
 
        static const auto& ToKey(const StorageType& element) {
            return element.first;
        }
 
        static const auto& ToValue(const StorageType& element) {
            return element.second;
        }
 
    public:
        using Serializer = tree::PatriciaTreeSerializer;
    };
 
    using PatriciaTreeContainer = cache::RdbTypedColumnContainer<PatriciaTreeColumnDescriptor>;
}}