G4PhononTrackMap.cc

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/// \file processes/phonon/src/G4PhononTrackMap.hh
/// \brief Implementation of the G4PhononTrackMap base class
//
//
// 20131111  Move Clear() function to .cc file
 
#include "G4PhononTrackMap.hh"
#include "G4ThreeVector.hh"
#include "G4Track.hh"
#include <map>
 
namespace { const G4ThreeVector nullVec(0.,0.,0.); }    // For convenience below
 
// Singleton instance, must be created at first request
 
G4ThreadLocal G4PhononTrackMap* G4PhononTrackMap::theTrackMap = 0;
 
 
// Pseudo-constructor creates singleton instance
 
G4PhononTrackMap* G4PhononTrackMap::GetPhononTrackMap() {
  if (!theTrackMap) theTrackMap = new G4PhononTrackMap;
  return theTrackMap;
}
 
void G4PhononTrackMap::Clear() {
  theMap.clear();           // Remove all entries from map
}
 
 
 
// Check if specified track is already loaded
 
G4bool G4PhononTrackMap::Find(const G4Track* track) const {
  return (!track || theMap.find(track) != theMap.end());
}
 
 
// Remove specified track from map (used by EndTracking)
 
void G4PhononTrackMap::RemoveTrack(const G4Track* track) {
  TrkIDKmap::iterator entry = theMap.find(track);
  if (entry != theMap.end()) theMap.erase(entry);
}
 
 
// Update the wavevector for specified track, add track if non-existent
 
void G4PhononTrackMap::SetK(const G4Track* track, const G4ThreeVector& K) {
  if (track) theMap[track] = K;
}
 
 
// Access current wavevector for specified track (NULL if doesn't exist)
 
const G4ThreeVector& G4PhononTrackMap::GetK(const G4Track* track) const {
  TrkIDKmap::const_iterator entry = theMap.find(track);
  return (entry != theMap.end()) ? entry->second : nullVec;
}