Guid.h

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#ifndef FWCOre_Utilities_Guid_h
#define FWCOre_Utilities_Guid_h

#include "uuid/uuid.h"
#include <string>

/*
 *  copied from pool
 */
namespace edm {

  class Guid {  // size is 16
  public:
    Guid() { init(); }
    explicit Guid(bool usetime) { init(usetime); }
    explicit Guid(char const* s, bool binary = false) { binary ? fromBinary(s) : fromString(s); }
    explicit Guid(std::string const& s, bool binary = false) { binary ? fromBinary(s) : fromString(s); }
    Guid(Guid const& c) { *this = c; }
    Guid& operator=(Guid const& g) {
      if (this != &g) {
        ::uuid_copy(data_, g.data_);
      }
      return *this;
    }
    bool operator<(Guid const& g) const;
    bool operator==(Guid const& g) const {
      if (this != &g) {
        return ::uuid_compare(data_, g.data_) == 0;
      }
      return true;
    }
    bool operator!=(Guid const& g) const { return !(this->operator==(g)); }
    std::string const toBinary() const;
    Guid const& fromBinary(std::string const& s);
    std::string const toString() const;
    Guid const& fromString(std::string const& s);

  private:
    void init(bool usetime = false);
    uuid_t data_;
  };
}  // namespace edm
#endif