G4CrossSectionDataSetRegistry.hh

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// $Id$
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// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:    G4CrossSectionDataSetRegistry
//
// Author  V.Ivanchenko  24.01.2009
//
// Modifications:
//
 
//
// Class Description
// This is a singleton keeping pointers to all cross section data sets
// Class Description - End

#ifndef G4CrossSectionDataSetRegistry_h
#define G4CrossSectionDataSetRegistry_h 1

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


class G4VCrossSectionDataSet;
class G4VBaseXSFactory;

class G4CrossSectionDataSetRegistry
{
public:

  static G4CrossSectionDataSetRegistry* Instance();
  // access 
  
  ~G4CrossSectionDataSetRegistry();
  
  void Register(G4VCrossSectionDataSet*);
  //register new cross section

  void DeRegister(G4VCrossSectionDataSet*);
  //deregister cross section

  void Clean();
  //clean the store
  
  void AddFactory(G4String, G4VBaseXSFactory*);

  G4VCrossSectionDataSet* GetCrossSectionDataSet(const G4String& name, G4bool warning=true);
    
private:

  G4CrossSectionDataSetRegistry();

  static G4CrossSectionDataSetRegistry* theInstance;
  
  std::vector <G4VCrossSectionDataSet*> xSections;

  std::map <G4String, G4VBaseXSFactory*> factories;

};

#endif

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