LedgerCacheSaver.hpp

#pragma once
 
#include "data/LedgerCacheInterface.hpp"
#include "util/config/ConfigDefinition.hpp"
 
#include <concepts>
#include <functional>
#include <optional>
#include <string>
#include <thread>
 
namespace data {

template <typename T>
concept SomeLedgerCacheSaver = requires(T a) {
    { a.save() } -> std::same_as<void>;
    { a.waitToFinish() } -> std::same_as<void>;
};

class LedgerCacheSaver {
    std::optional<std::string> cacheFilePath_;
    std::reference_wrapper<LedgerCacheInterface const> cache_;
    std::optional<std::thread> savingThread_;
    bool isAsync_;
 
public:
    LedgerCacheSaver(
        util::config::ClioConfigDefinition const& config,
        LedgerCacheInterface const& cache
    );

    ~LedgerCacheSaver();

    void
    save();

    void
    waitToFinish();
};
 
}  // namespace data