G4CompositeDataSet.hh

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// $Id$
//
// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// 31 Jul 2001   MGP        Created as G4CompositeEMDataSet
// 31 Jul 2008   MGP        Revised and renamed to G4CompositeDataSet
//
// -------------------------------------------------------------------

// Class description:
// Composite data set 
// Applies a Composite design pattern for data library management

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

#ifndef G4COMPOSITEDATASET_HH
#define G4COMPOSITEDATASET_HH 1

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

#include "globals.hh"
#include "G4IDataSet.hh"

class G4IInterpolator;

class G4CompositeDataSet : public G4IDataSet 
{
public:
  G4CompositeDataSet(G4IInterpolator* argAlgorithm, 
                     G4double eUnit=CLHEP::MeV, 
                     G4double dataUnit=CLHEP::barn, 
                     G4int zMin=1, 
                     G4int zMax=99); 

  virtual ~G4CompositeDataSet();
 
  virtual G4double FindValue(G4double x, G4int componentId=0) const;
  
  virtual void PrintData(void) const;

  virtual const G4IDataSet* GetComponent(G4int componentId) const 
  { return components[componentId]; }
  
  virtual void AddComponent(G4IDataSet* 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 
  G4CompositeDataSet();
  G4CompositeDataSet(const G4CompositeDataSet& copy);
  G4CompositeDataSet& operator=(const G4CompositeDataSet& right);

  std::vector<G4IDataSet*> components;    // Owned pointers

  G4IInterpolator* algorithm;           // Owned pointer 
  
  G4double unitEnergies;
  G4double unitData;

  G4int minZ;
  G4int maxZ;
};
#endif /* G4COMPOSITEDATASET_HH */

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