RNT/MultigroupCodec_8h_source.html

#pragma once


#include "IStorageBackend.h"


#include <string>

#include <utility>

#include <vector>


namespace nt::MultigroupCodec {

    using RelationEntry = std::pair<std::string, std::string>;


    std::string Build(IStorageBackend& store, const std::vector<RelationEntry>& relations);


    std::vector<RelationEntry> List(IStorageBackend& store, const std::string& root_hex);


    std::string InsertOne(IStorageBackend& store, const std::string& root_hex,

                          const std::string& relation_name, const std::string& relation_root_hex);


    std::string RemoveOne(IStorageBackend& store, const std::string& root_hex,

                          const std::string& relation_name);


    std::string Lookup(IStorageBackend& store, const std::string& root_hex,

                       const std::string& relation_name);

} // namespace nt::MultigroupCodec

IStorageBackend.h
Abstract KV storage backend consumed by CursorManager and Merkle.

nt::MultigroupCodec::List
std::vector< RelationEntry > List(IStorageBackend &store, const std::string &root_hex)
Enumerate all (name, root_hex) pairs at a multigroup root.
Definition MultigroupCodec.cpp:36

nt::MultigroupCodec::InsertOne
std::string InsertOne(IStorageBackend &store, const std::string &root_hex, const std::string &relation_name, const std::string &relation_root_hex)
Insert or overwrite one (relation_name → root_hex) entry.
Definition MultigroupCodec.cpp:53

nt::MultigroupCodec::Lookup
std::string Lookup(IStorageBackend &store, const std::string &root_hex, const std::string &relation_name)
Look up one relation's root hex by name.
Definition MultigroupCodec.cpp:64

nt::MultigroupCodec::RemoveOne
std::string RemoveOne(IStorageBackend &store, const std::string &root_hex, const std::string &relation_name)
Remove one relation entry from the multigroup tree.
Definition MultigroupCodec.cpp:59

nt::MultigroupCodec::RelationEntry
std::pair< std::string, std::string > RelationEntry
One entry in a multigroup snapshot: (relation_name, root_hex).
Definition MultigroupCodec.h:34

nt::MultigroupCodec::Build
std::string Build(IStorageBackend &store, const std::vector< RelationEntry > &relations)
Build a multigroup tree from a list of (name, root) entries.
Definition MultigroupCodec.cpp:25

nt::IStorageBackend
Contract between CursorManager / Merkle and a physical storage engine.
Definition IStorageBackend.h:31