Gabriele Cosmo
148 lines
5.4 KiB
C++
148 lines
5.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id$
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//
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//
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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//
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// ---------------- G4StateManager ----------------
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//
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// Authors: G.Cosmo, M.Asai - November 1996
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//
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// -------------------------------------------------------------
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//
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// Class Description:
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//
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// Class responsible for handling and updating the running state
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// of the Geant4 application during its different phases.
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// The class is a singleton, it can be accessed via the public
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// method G4StateManager::GetStateManager().
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//
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// States of Geant4 are defined in G4ApplicationState.
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// -------------------------------------------------------------
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#ifndef G4StateManager_h
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#define G4StateManager_h 1
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#include <vector>
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#include "globals.hh"
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#include "G4ApplicationState.hh"
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#include "G4VStateDependent.hh"
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#include "G4VExceptionHandler.hh"
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class G4StateManager
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{
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public: // with description
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static G4StateManager* GetStateManager();
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// The G4StateManager class is a singleton class and the pointer
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// to the only one existing object can be obtained by this static
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// method.
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protected:
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G4StateManager();
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public:
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~G4StateManager();
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public: // with description
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G4ApplicationState GetCurrentState() const;
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// Returns the current state
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G4ApplicationState GetPreviousState() const;
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// Returns the previous state
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G4bool SetNewState(G4ApplicationState requestedState);
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// Set Geant4 to a new state.
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// In case the request is irregal, false will be returned
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// and the state of Geant4 will not be changed.
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G4bool SetNewState(G4ApplicationState requestedState, const char* msg);
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// Set Geant4 to a new state.
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// In case the request is irregal, false will be returned
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// and the state of Geant4 will not be changed.
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// "msg" is information associating to this state change
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G4bool RegisterDependent(G4VStateDependent* aDependent,G4bool bottom=false);
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// Register a concrete class of G4VStateDependent.
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// Registered concrete classes will be notified via
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// G4VStateDependent::Notify() method when the state of Geant4 changes.
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// False will be returned if registration fails.
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G4bool DeregisterDependent(G4VStateDependent* aDependent);
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// Remove the registration.
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// False will be returned if aDependent has not been registered.
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G4VStateDependent* RemoveDependent(const G4VStateDependent* aDependent);
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// Remove the registration.
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// Removed pointer is returned.
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G4String GetStateString(G4ApplicationState aState) const;
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// Utility method which returns a string of the state name.
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public:
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inline void SetSuppressAbortion(G4int i);
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inline G4int GetSuppressAbortion() const;
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inline const char* GetMessage() const;
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inline void SetExceptionHandler(G4VExceptionHandler* eh);
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inline G4VExceptionHandler* GetExceptionHandler() const;
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public:
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//void Pause();
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//void Pause(const char* msg);
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//void Pause(G4String msg);
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//// G4UIsession::pauseSession() will be invoked. The argument string "msg"
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//// will be used as a prompt characters if the session is non-graphical.
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//// This method can be invoked by any user action class during the event
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//// loop. After the user's interactions, control goes back to the caller.
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private:
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G4StateManager(const G4StateManager &right);
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G4StateManager& operator=(const G4StateManager &right);
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G4int operator==(const G4StateManager &right) const;
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G4int operator!=(const G4StateManager &right) const;
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private:
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static G4StateManager* theStateManager;
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G4ApplicationState theCurrentState;
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G4ApplicationState thePreviousState;
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std::vector<G4VStateDependent*> theDependentsList;
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G4VStateDependent* theBottomDependent;
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G4int suppressAbortion;
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const char* msgptr;
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G4VExceptionHandler* exceptionHandler;
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};
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#include "G4StateManager.icc"
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#endif
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