FileNameRepo.h

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//
// Created by Nico Schäfer on 29/12/17.
//
 
#ifndef JODA_FILENAMEREPO_H
#define JODA_FILENAMEREPO_H
#include <mutex>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
typedef unsigned long FILEID;
class FileNameRepo {
 public:
  enum ConstFileNames {
    TMPObjectName = 0,
    ProjectionFileName = 1,
    ValidFileNameStart = 2
  };
 
  FILEID addFile(const std::string& file);
 
  std::string getFile(FILEID id);
 
  std::vector<std::string> getFiles(const std::unordered_set<FILEID>& ids);
 
  static constexpr bool validFile(FILEID id) {
    return id >= ValidFileNameStart;
  }
 
 protected:
  std::mutex mut;
  FILEID getNextID();
  std::unordered_map<FILEID, std::string> id_file;
  std::unordered_map<std::string, FILEID> file_id;
  FILEID currID = 1;
};
 
extern FileNameRepo g_FileNameRepoInstance;
 
#endif  // JODA_FILENAMEREPO_H