G4CascadeHistory.hh

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// G4CascadeHistory: Container to record all particles produced during
// cascade, with daughters; printout is formatted hierarchically.
 
#ifndef G4CASCADE_HISTORY_HH
#define G4CASCADE_HISTORY_HH
 
#include "globals.hh"
#include "G4CascadParticle.hh"
#include <iosfwd>
#include <set>
#include <vector>
 
 
class G4CascadeHistory {
public:
  G4CascadeHistory(G4int verbose=0) : verboseLevel(verbose) {;}
  ~G4CascadeHistory() {;}       // *** Do not want subclasses ***
 
  void setVerboseLevel(G4int verbose=0) { verboseLevel = verbose; }
 
  // Reset buffers for new event
  void Clear();
 
  // Add particle to history list, assigning ID number (non-const input)
  G4int AddEntry(G4CascadParticle& cpart);
 
  // Record full interaction vertex (non-const input)
  G4int AddVertex(G4CascadParticle& cpart, std::vector<G4CascadParticle>& daug);
 
  // Discard particle reabsorbed during cascade
  void DropEntry(const G4CascadParticle& cpart);
 
  // Report cascade structure hierarchically
  void Print(std::ostream& os) const;
 
protected:
  struct HistoryEntry {
    G4CascadParticle cpart;
    G4int n;
    G4int dId[10];      // Must be fixed size for allocation in vector
 
    HistoryEntry() { clear(); };
    HistoryEntry(const G4CascadParticle& cp) : cpart(cp) { clear(); }
    void clear();
  };
 
  // Assign ID number to particle (non-const input)
  void AssignHistoryID(G4CascadParticle& cpart);
 
  // Populate list of daughters in interaction, adding them to history list
  void FillDaughters(G4int iEntry, std::vector<G4CascadParticle>& daug);
 
  // Add single-line report for particle, along with daughters
  void PrintEntry(std::ostream& os, G4int iEntry) const;
  void PrintParticle(std::ostream& os, const G4CascadParticle& cpart) const;
  G4bool PrintingDone(G4int iEntry) const {
    return (entryPrinted.find(iEntry) != entryPrinted.end());
  }
 
  // Derive target of cascade step from particle and daughters
  const char* GuessTarget(const HistoryEntry& entry) const;
 
  G4int size() const { return (G4int)theHistory.size(); }
 
private:
  G4int verboseLevel;
 
  std::vector<HistoryEntry> theHistory;     // List of particles and daughters
  mutable std::set<G4int> entryPrinted;     // Particle indices already reported
 
  // No copying allowed
  G4CascadeHistory(const G4CascadeHistory& rhs);
  G4CascadeHistory& operator=(const G4CascadeHistory& rhs);
};
 
// Inline reporting
std::ostream& operator<<(std::ostream& os, const G4CascadeHistory& history);
 
#endif  /* G4CASCADE_HISTORY_HH */