Import Geant4 3.0.0 source tree

2016-06-08 15:55:53 +02:00
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+// This code implementation is the intellectual property of
+// the GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4StateManager.hh,v 1.2 2000/11/20 17:26:46 gcosmo Exp $
+// GEANT4 tag $Name: geant4-03-00 $
+//
+// 
+// ------------------------------------------------------------
+//      GEANT 4 class header file 
+//
+//      For information related to this code contact:
+//      Geant4 Collaboration
+//
+//       ---------------- G4StateManager ----------------
+//
+// Authors: G.Cosmo, M.Asai - November 1996
+//
+// -------------------------------------------------------------
+//
+// Class Description:
+//
+// Class responsible for handling and updating the running state
+// of the Geant4 application during its different phases.
+// The class is a singleton, it can be accessed via the public
+// method G4StateManager::GetStateManager().
+//
+// States of Geant4 are defined in G4ApplicationState.
+
+// -------------------------------------------------------------
+
+#ifndef G4StateManager_h
+#define G4StateManager_h 1
+
+#include "g4rw/tpordvec.h"
+#include "globals.hh"
+#include "G4ApplicationState.hh"
+#include "G4VStateDependent.hh"
+
+class G4StateManager
+{
+
+public: // with description
+
+  static G4StateManager* GetStateManager();
+    // The G4StateManager class is a singleton class and the pointer
+    // to the only one existing object can be obtained by this static 
+    // method.
+
+protected:
+
+  G4StateManager();
+
+public:
+
+  ~G4StateManager();
+
+public: // with description
+
+  G4ApplicationState GetCurrentState();
+    // Returns the current state
+  G4ApplicationState GetPreviousState();
+    // Returns the previous state
+  G4bool SetNewState(G4ApplicationState requestedState);
+    // Set Geant4 to a new state.
+    // In case the request is irregal, false will be returned
+    // and the state of Geant4 will not be changed.
+  G4bool RegisterDependent(G4VStateDependent* aDependent,G4bool bottom=false);
+    // Register a concrete class of G4VStateDependent.
+    // Registered concrete classes will be notified via
+    // G4VStateDependent::Notify() method when the state of Geant4 changes.
+    // False will be returned if registration fails.
+  G4bool DeregisterDependent(G4VStateDependent* aDependent);
+    // Remove the registration.
+    // False will be returned if aDependent has not been registered.
+  G4VStateDependent* RemoveDependent(const G4VStateDependent* aDependent);
+    // Remove the registration.
+    // Removed pointer is returned.
+  G4String GetStateString(G4ApplicationState aState);
+    // Utility method which returns a string of the state name.
+
+public:
+
+  //void Pause();
+  //void Pause(const char* msg);
+  //void Pause(G4String msg);
+  ////  G4UIsession::pauseSession() will be invoked. The argument string "msg"
+  //// will be used as a prompt characters if the session is non-graphical.
+  ////  This method can be invoked by any user action class during the event
+  //// loop. After the user's interactions, control goes back to the caller.
+
+private:
+
+  G4StateManager(const G4StateManager &right);
+  G4StateManager& operator=(const G4StateManager &right);
+  G4int operator==(const G4StateManager &right) const;
+  G4int operator!=(const G4StateManager &right) const;
+
+private:
+
+  static G4StateManager* theStateManager;
+  G4ApplicationState theCurrentState;
+  G4ApplicationState thePreviousState;
+  G4RWTPtrOrderedVector<G4VStateDependent> theDependentsList;
+  G4VStateDependent* theBottomDependent;
+
+};
+
+#endif