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// $Id$
//
// 
// ------------------------------------------------------------
//      GEANT 4 class header file
//
// Class description:
//
// G4MCCIndexConversionTable is used by G4ProductionTable 
// when the cut table is retrieved from the file. 
// An index pointing a Material-Cut-Couple can be different 
// from the index pointing the same MCC in the file. This class
// has a map between them.
//
// ------------------------------------------------------------
//
// History:
// -------
// - First implementation   20th August 2004  by H.Kurashige
//-------------------------------------

#ifndef G4MCCIndexConversionTable_h
#define G4MCCIndexConversionTable_h 1

#include <vector>
#include "globals.hh"
#include "G4ios.hh"

class G4MCCIndexConversionTable
{
 public: // with description

  G4MCCIndexConversionTable();
    // Default constructor.

  virtual ~G4MCCIndexConversionTable();
    // Destructor.

  void Reset(size_t size);
    // reset conversion table 
 
  G4bool IsUsed(size_t index) const;
    // returns 'true' if the indicated MCC in the file 
    // is used in the current production cut table
  
  void SetNewIndex(size_t index, size_t new_value);   
    // set the index in the current production cut table
    // for the indicated MCC in the file

  G4int GetIndex(size_t index) const;
    // get the index in the current production cut table
    // for the indicated MCC in the file
 
  size_t size() const;

  protected:
   typedef std::vector<G4int> G4IntVector;
   G4IntVector vecNewIndex;
};

inline
 G4bool G4MCCIndexConversionTable::IsUsed(size_t index) const
{
  if (index >= vecNewIndex.size()) return false;

  // returns 'true' if the indicated MCC in the file 
  // is used in the current production cut table
  return (vecNewIndex[index] >= 0); 
}

inline
 void G4MCCIndexConversionTable::SetNewIndex(size_t index, size_t new_value)
{
  if (index >= vecNewIndex.size()) return;
  // set the index in the current production cut table
  // for the indicated MCC in the file
  vecNewIndex[index]=new_value;  
}  

inline
  G4int G4MCCIndexConversionTable::GetIndex(size_t index) const
{
  if (index >= vecNewIndex.size()) return -1;
  // get the index in the current production cut table
  // for the indicated MCC in the file
  return (vecNewIndex[index]);  
}

inline
  size_t G4MCCIndexConversionTable::size() const
{
  return vecNewIndex.size();
}

#endif
