RootFileCreationManager.h

/**************************************************************************
* BASF2 (Belle Analysis Framework 2)                                     *
* Copyright(C) 2013-2018 Belle II Collaboration                          *
*                                                                        *
* Author: The Belle II Collaboration                                     *
* Contributors: Christian Pulvermacher                                   *
*               Simon Wehle                                              *
*               Martin Ritter                                            *
*                                                                        *
* This software is provided "as is" without any warranty.                *
**************************************************************************/
 
#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;
  };
}