Gabriele Cosmo
98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4StateManager.hh,v 1.5 2000/02/14 12:24:41 asaim Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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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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// For information related to this code contact:
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// CERN, CN Division, ASD group
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// ---------------- G4StateManager ----------------
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// by Gabriele Cosmo, November 1996
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#ifndef G4StateManager_h
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#define G4StateManager_h 1
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#include "g4rw/tpordvec.h"
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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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// 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 defined in Geant4 are descrived in G4ApplicationState.hh
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//
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class G4StateManager {
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public: // with description
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static G4StateManager* GetStateManager();
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// This 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();
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// Returns the current state
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G4ApplicationState GetPreviousState();
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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 RegisterDependent(G4VStateDependent* aDependent);
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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
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// Geant4 changes.
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// False will be returned if registration if failed.
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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);
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// A utility method which returns a string of the state name.
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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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G4RWTPtrOrderedVector<G4VStateDependent> theDependentsList;
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};
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#endif
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