HashMaker.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
/***************************************************************************
 * Muon Calibration Identifiers
 * -----------------------------------------
 *
 * Author       : Martin Woudstra
 * Creation Date: 03 May 2005
 * Last Update  : 09 May 2005
 ***************************************************************************/
 
#ifndef MUONCALIBIDENTIFIER_HASHMAKER_H
# define MUONCALIBIDENTIFIER_HASHMAKER_H
// std
 
// other packages
 
// this package
 
// macro to create a full hash class implementation
#define CREATE_HASH_CLASS(ClassName) \
class ClassName {                               \
public:                                     \
   ClassName() : m_data(UINT_MAX) {};                       \
   explicit ClassName( unsigned int dat ) : m_data(dat) {}          \
   operator unsigned int () const {                     \
      return m_data;                                \
   }                                        \
   const ClassName& operator=( const ClassName& rhs ) {             \
      m_data = rhs.m_data;                          \
      return *this;                             \
   }                                        \
   const ClassName& operator=( unsigned int rhs ) {             \
      m_data = rhs;                             \
      return *this;                             \
   }                                        \
   bool isValid() const {                           \
      return m_data != UINT_MAX;                        \
   }                                        \
private:                                    \
   unsigned int m_data;                             \
};
 
 
#endif // MUONCALIBIDENTIFIER_HASHMAKER_H