G4RDCompositeEMDataSet.hh

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// $Id$
// GEANT4 tag $Name:  $
//
// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// 31 Jul 2001   MGP        Created
//
// -------------------------------------------------------------------

// Class description:
// Low Energy Electromagnetic Physics
// Composite data set for an electromagnetic physics process
// A strategy pattern is used to encapsulate algorithms for data interpolation
// Further documentation available from http://www.ge.infn.it/geant4/lowE

// -------------------------------------------------------------------

#ifndef G4RDCOMPOSITEEMDATASET_HH
#define G4RDCOMPOSITEEMDATASET_HH 1

#include <vector>
#include <CLHEP/Units/SystemOfUnits.h>

#include "globals.hh"
#include "G4RDVEMDataSet.hh"

class G4RDVDataSetAlgorithm;

class G4RDCompositeEMDataSet : public G4RDVEMDataSet 
{
public:
  G4RDCompositeEMDataSet(G4RDVDataSetAlgorithm* argAlgorithm, 
               G4double eUnit=CLHEP::MeV, 
               G4double dataUnit=CLHEP::barn, 
               G4int zMin=1, 
               G4int zMax=99); 

  virtual ~G4RDCompositeEMDataSet();
 
  virtual G4double FindValue(G4double x, G4int componentId=0) const;
  
  virtual void PrintData(void) const;

  virtual const G4RDVEMDataSet* GetComponent(G4int componentId) const { return components[componentId]; }
  virtual void AddComponent(G4RDVEMDataSet* dataSet) { components.push_back(dataSet); }
  virtual size_t NumberOfComponents() const { return components.size(); }

  virtual const G4DataVector& GetEnergies(G4int componentId) const { return GetComponent(componentId)->GetEnergies(0); }
  virtual const G4DataVector& GetData(G4int componentId) const { return GetComponent(componentId)->GetData(0); }
  virtual void SetEnergiesData(G4DataVector* x, G4DataVector* data, G4int componentId);

  virtual G4bool LoadData(const G4String& fileName);
  virtual G4bool SaveData(const G4String& fileName) const;

 virtual G4double RandomSelect(G4int componentId) const;

   
private:

  void CleanUpComponents(void);
  
  // Hide copy constructor and assignment operator 
  G4RDCompositeEMDataSet();
  G4RDCompositeEMDataSet(const G4RDCompositeEMDataSet& copy);
  G4RDCompositeEMDataSet& operator=(const G4RDCompositeEMDataSet& right);

  std::vector<G4RDVEMDataSet*> components;    // Owned pointers

  G4RDVDataSetAlgorithm* algorithm;           // Owned pointer 
  
  G4double unitEnergies;
  G4double unitData;

  G4int minZ;
  G4int maxZ;
};
#endif /* G4COMPOSITEEMDATASET_HH */