BABAR C++ Course Running the Examples - HEPHY

Class hierarchyLockable classFor both data members and functions we have3-vectorLorentz-vectorThe header fileclass HepLockable {public:inline HepLockable();inline void lock(int bit);inline void unlock(int bit);inline int locked() const;// more not shown}ParticleLockable• gives property of “in-use” flag to sub-class• can use when something can only be used once• will demonstrate use with a combinatoric problemAsTrack• HepLockable is part of CLHEP• AsTrack has the functions defined in itself and allof its super classes• AsTrack has data members defined in itself and allof its super classesBABAR C++ Course 146 Paul F. KunzBABAR C++ Course 147 Paul F. Kunz