MagneticFieldStore.h

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#ifndef SIMCORE_MAGNETICFIELDSTORE_H_
#define SIMCORE_MAGNETICFIELDSTORE_H_
 
// Geant4
#include "G4MagneticField.hh"
 
namespace simcore {
 
class MagneticFieldStore {
 public:
  typedef std::map<std::string, G4MagneticField*> MagFieldMap;
 
  static MagneticFieldStore* getInstance() {
    static MagneticFieldStore INSTANCE;
    return &INSTANCE;
  }
 
  ~MagneticFieldStore() {
    for (auto& nameField : magFields_) {
      delete nameField.second;
    }
    magFields_.clear();
  }
 
  G4MagneticField* getMagneticField(const std::string& name) {
    return magFields_.at(name);
  }
 
  void addMagneticField(const std::string& name, G4MagneticField* magField) {
    magFields_[name] = magField;
  }
 
 private:
  MagFieldMap magFields_;
};
 
}  // namespace simcore
 
#endif