00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // 00030 // ------------------------------------------------------------ 00031 // GEANT 4 class header file 00032 // 00033 // 00034 // ---------------- G4VStateDependent ---------------- 00035 // 00036 // Authors: G.Cosmo, M.Asai - November 1996 00037 // 00038 // ------------------------------------------------------------ 00039 // 00040 // Class description: 00041 // 00042 // Abstract base class of all classes which need to be notified when 00043 // the state of Geant4 changes. The concrete class object derived from 00044 // this base class will be automatically registered to G4StateManager 00045 // and the virtual method Notify() will be invoked when the state changes. 00046 00047 // ------------------------------------------------------------ 00048 00049 #ifndef G4VStateDependent_h 00050 #define G4VStateDependent_h 1 00051 00052 #include "globals.hh" 00053 #include "G4ApplicationState.hh" 00054 00055 class G4VStateDependent 00056 { 00057 00058 public: 00059 00060 explicit G4VStateDependent(G4bool bottom=false); 00061 virtual ~G4VStateDependent(); 00062 G4int operator==(const G4VStateDependent &right) const; 00063 G4int operator!=(const G4VStateDependent &right) const; 00064 00065 public: // with description 00066 00067 virtual G4bool Notify(G4ApplicationState requestedState) = 0; 00068 // Pure virtual method which will be invoked by G4StateManager. 00069 // In case state change must not be allowed by some reason of the 00070 // concrete class, false should be returned. But this scheme is 00071 // NOT recommended to use. All command which are state sensitive 00072 // MUST assign available state(s). 00073 00074 private: 00075 00076 G4VStateDependent(const G4VStateDependent &right); 00077 G4VStateDependent& operator=(const G4VStateDependent &right); 00078 00079 }; 00080 00081 #endif