ManageUniqueIDs.hpp

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#pragma once
 
#include <boost/container/flat_set.hpp>
#include <functional>
 
namespace precice {
namespace utils {
 
class ManageUniqueIDs {
public:
  // Returns the next free, i.e. unique, ID.
  int getFreeID();
 
  bool insertID(int id);
 
  void resetIDs();
 
private:
  boost::container::flat_set<int> _ids;
 
  int _lowerLimit = 0;
};
 
} // namespace utils
} // namespace precice