RetrievalResult.h

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/*
 * RetrievalResult.h
 *
 *  Created on: 22 Ago 2017
 *      Author: Nicola Mori
 */

#ifndef RETRIEVALRESULT_H_
#define RETRIEVALRESULT_H_

#include <array>
#include <ostream>

namespace EA {

enum class RetrievalResult {
  SUCCESS,      
  NOTAVAILABLE, 
  BADCLASS,     
  NOTFOUND,     
  ERROR         

};

inline bool operator<(const RetrievalResult lhs, const RetrievalResult rhs) { return ((int)lhs > (int)rhs); }

namespace _Private {
const std::array<std::string, 5> rrNames{"SUCCESS", "NOTAVAILABLE", "BADCLASS", "NOTFOUND", "ERROR"};
}

inline const std::string &ToString(RetrievalResult rr) { return _Private::rrNames[static_cast<int>(rr)]; }

inline std::ostream &operator<<(std::ostream &out, RetrievalResult rr) { return out << ToString(rr); }

} // namespace EA

#endif /* RETRIEVALRESULT_H_ */