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#ifndef G4HCtable_H
#define G4HCtable_H 1

class G4VSensitiveDetector;
#include "globals.hh"
//#include "g4rw/tvordvec.h"
#include <vector>

// class description:
//
//  This class is used by G4SDManager for book keeping the
// sensitive detector modules and hits collections. The order of
// hits collections stored in G4HCofThisEvent is same as the
// order of HClist. 
//  The order may vary from run to run, if the user adds/changes
// some of his/her sensitive detector modules.
//  In case user wants to make G4Run object persistent, this
// G4HCtable class object should be copied and stored with
// G4Run object.

class G4HCtable
{
  public:
    G4HCtable();
    ~G4HCtable();

  public:
    G4int Registor(G4String SDname,G4String HCname);
    G4int GetCollectionID(G4String HCname) const;
    G4int GetCollectionID(G4VSensitiveDetector* aSD) const;

  private:
    std::vector<G4String> SDlist;
    std::vector<G4String> HClist;

  public:
    inline G4int entries() const
    { return HClist.size(); }
    inline G4String GetSDname(G4int i) const
    {
      if(i<0||i>entries()) return "***Not Defined***";
      return SDlist[i];
    }
    inline G4String GetHCname(G4int i) const
    {
      if(i<0||i>entries()) return "***Not Defined***";
      return HClist[i];
    }

};

#endif

