G4HadFinalState.hh

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#ifndef G4HadFinalState_hh
#define G4HadFinalState_hh

// Modifications:
// 20110810  M. Kelsey -- Store secondaries by value, not by pointer.
//              Improve constness of argument passing.  Drop stale flag.
// 20110907  M. Kelsey -- Improve constness of functions, discard add pointer,
//              add function to concatenate vectors

#include "globals.hh"
#include "G4DynamicParticle.hh"
#include "G4HadSecondary.hh"
#include "G4LorentzRotation.hh"
#include "G4ThreeVector.hh"
#include <vector>

enum G4HadFinalStateStatus{isAlive, stopAndKill, suspend};


class G4HadFinalState
{
public:
  G4HadFinalState();

  G4int GetNumberOfSecondaries() const;
  void SetEnergyChange(G4double anEnergy);
  G4double GetEnergyChange() const;
  void SetMomentumChange(const G4ThreeVector& aV);
  void SetMomentumChange(G4double x, G4double y, G4double z) ;
  const G4ThreeVector& GetMomentumChange() const;
  void AddSecondary(G4DynamicParticle* aP);
  void AddSecondary(const G4HadSecondary& aHS) { theSecs.push_back(aHS); }
  void SetStatusChange(G4HadFinalStateStatus aS);
  G4HadFinalStateStatus GetStatusChange() const;
  void Clear();
  const G4LorentzRotation& GetTrafoToLab() const;
  void SetTrafoToLab(const G4LorentzRotation & aT);
  void SetWeightChange(G4double aW);
  G4double GetWeightChange() const;
  G4HadSecondary* GetSecondary(size_t i);
  const G4HadSecondary* GetSecondary(size_t i) const;
  void SetLocalEnergyDeposit(G4double aE);
  G4double GetLocalEnergyDeposit() const;
  void SecondariesAreStale();           // Deprecated; not needed for values
  void ClearSecondaries();

  // Concatenate lists efficiently
  void AddSecondaries(const std::vector<G4HadSecondary>& addSecs);

  void AddSecondaries(const G4HadFinalState& addHFS) {
    AddSecondaries(addHFS.theSecs);
  }

  void AddSecondaries(const G4HadFinalState* addHFS) {
    if (addHFS) AddSecondaries(addHFS->theSecs);
  }

private:
  G4ThreeVector theDirection;
  G4double theEnergy;
  std::vector<G4HadSecondary> theSecs;
  G4HadFinalStateStatus theStat;
  G4LorentzRotation theT;
  G4double theW;
  G4double theEDep;
};

#endif