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//
//
// Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it)
//
// History:
// -----------
//  16 Sept 2001 Modofied according to a design iteration in the 
//              LowEnergy category
//
// -------------------------------------------------------------------

// Class description:
// Low Energy Electromagnetic Physics, a data container

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


#ifndef G4FluoTransition_h 
#define G4FluoTransition_h 1

#include "G4DataVector.hh"
#include "globals.hh"
#include <vector>

class G4FluoTransition {

public:

  explicit G4FluoTransition(G4int,const std::vector<G4int>&,const G4DataVector&,
		   const G4DataVector&);

  ~G4FluoTransition(){;};
  
  /// All the data stored and provided by this class are relative to a
  /// given vacancy, whose identity is provided by the FinalShellId() method,
  /// in an atom of a given material

  /// Returns the identities of the originating shells for the transitions 
  const std::vector<G4int>& OriginatingShellIds() const;
  
  /// Return the energies of the transitions
  const G4DataVector& TransitionEnergies() const;

  /// Return the probabilities of the transitions
  const G4DataVector& TransitionProbabilities() const;
  
  /// Return the identity if the vacancy
  G4int FinalShellId() const;

  /// Given the index of the originating shells returns its identity
  G4int OriginatingShellId(G4int index) const;

  /// Given the index of the originating shells returns the energy
  /// of the transition starting from it
  G4double TransitionEnergy(G4int index) const;

  /// Given the index of the originating shells returns the probability
  /// of the transition starting from it
  G4double TransitionProbability(G4int index) const;

private: 
  std::vector<G4int> originatingShellIds;

  G4DataVector transitionEnergies;
  G4DataVector transitionProbabilities;
  G4int finalShellId;
};

#endif

