RootFileCreationManager.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <TFile.h>
#include <string>
#include <map>
#include <memory>
 
namespace Belle2 {
  class RootFileCreationManager {
 
  public:
 
    static RootFileCreationManager& getInstance();
    std::shared_ptr<TFile> getFile(std::string, bool ignoreErrors = false);
 
  private:
    RootFileCreationManager() {}
    RootFileCreationManager(RootFileCreationManager const&) = delete;
    void operator=(RootFileCreationManager const&) = delete;
    std::map<std::string, std::weak_ptr<TFile>> m_files;
  };
}