#include <list>
#include <fstream>

#include "G4ThreeVector.hh"

class FileReader
{
public:
  FileReader( G4String filename );
  ~FileReader();

  // Define Primary class within FileReader
  class Primary;
  FileReader::Primary* GetPrimary();

  void SetBufferSize( G4int bufferSize ) { fBufferSize = bufferSize; }

private:
  std::ifstream                   fInputFile;
  std::list<FileReader::Primary*> fPrimaryList;
  G4int                           fBufferSize;
};


class FileReader::Primary
{
public:
  Primary();
  ~Primary();

  void SetName( G4String name ) { fName = name; }
  G4String GetName() { return fName; }

  void SetPosition( G4ThreeVector position ) { fPosition = position; }
  G4ThreeVector GetPosition() { return fPosition; }

  void SetMomentum( G4ThreeVector momentum ) { fMomentum = momentum; }
  G4ThreeVector GetMomentum() { return fMomentum; }

  void SetEnergy( G4double energy ) { fEnergy = energy; }
  G4double GetEnergy() { return fEnergy; }

private:
  G4String      fName;
  G4ThreeVector fPosition;
  G4ThreeVector fMomentum;
  G4double      fEnergy;
};