Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/global/management/include/G4VStateDependent.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
 11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // ********************************************************************
 25 //
 26 // G4VStateDependent
 27 //
 28 // Class description:
 29 //
 30 // Abstract base class of all classes which need to be notified when
 31 // the state of Geant4 changes. The concrete class object derived from
 32 // this base class will be automatically registered to G4StateManager
 33 // and the virtual method Notify() will be invoked when the state changes.
 34 
 35 // Authors: G.Cosmo, M.Asai - November 1996
 36 // --------------------------------------------------------------------
 37 #ifndef G4VStateDependent_hh
 38 #define G4VStateDependent_hh 1
 39 
 40 #include "G4ApplicationState.hh"
 41 #include "G4Types.hh"
 42 
 43 class G4Event;
 44 class G4Run;
 45 
 46 class G4VStateDependent
 47 {
 48  public:
 49   explicit G4VStateDependent(G4bool bottom = false);
 50   virtual ~G4VStateDependent();
 51   G4bool operator==(const G4VStateDependent& right) const;
 52   G4bool operator!=(const G4VStateDependent& right) const;
 53 
 54   virtual G4bool Notify(G4ApplicationState requestedState) = 0;
 55   // Pure virtual method which will be invoked by G4StateManager.
 56   // In case a state change must not be allowed by some reason of the
 57   // concrete class, false should be returned. But this scheme use is
 58   // NOT recommended. All commands which are state sensitive MUST assign
 59   // available state(s).
 60 
 61   virtual void NotifyDeletion(const G4Event*) {}
 62   virtual void NotifyDeletion(const G4Run*) {}
 63 
 64  private:
 65   G4VStateDependent(const G4VStateDependent& right);
 66   G4VStateDependent& operator=(const G4VStateDependent& right);
 67 };
 68 
 69 #endif
 70