CentralMetadataProvider.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2019 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Martin Ritter                                            *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <framework/database/MetadataProvider.h>
#include <framework/database/Downloader.h>
#include <nlohmann/json.hpp>
 
namespace Belle2::Conditions {
  class CentralMetadataProvider: public MetadataProvider {
  public:
    CentralMetadataProvider(std::string baseUrl, const std::set<std::string>& usableTagStates);
    virtual ~CentralMetadataProvider() = default;
    std::string getGlobaltagStatus(const std::string& name) override;
    bool updatePayloads(const std::string& globaltag, int exp, int run) override;
  private:
    nlohmann::json get(const std::string& url);
    Downloader& m_downloader{Downloader::getDefaultInstance()};
    std::string m_baseUrl;
  };
} // Belle2::Conditions namespace