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geant4/source/global/management/include/G4ApplicationState.hh
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2016-06-09 14:55:03 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
// $Id: G4ApplicationState.hh,v 1.4 2006/06/29 19:01:20 gunter Exp $
// GEANT4 tag $Name: geant4-08-02 $
//
#ifndef G4APPLICATIONSTATE_H
#define G4APPLICATIONSTATE_H 1
// Class Description:
//
// Specifies the state of the G4 application
//
// States:
// G4State_PreInit
// At the very begining of the Application. G4StateManager starts
// with this state. G4Initializer changes this state to Init when
// G4Initializer::Initialize() method starts. At the moment of
// the state change of PreInit->Init, no material, geometrical,
// particle or physics process has been initialized.
// G4State_Init
// During the G4Initializer::Initialize() method. G4Initializer
// changes this state to Idle when all initialization procedures
// are successfully Done.
// G4State_Idle
// Ready to start "BeamOn". G4RunManager changes this state to
// GeomClosed when G4RunManager::BeamOn() method starts and
// G4GeometryManager::CloseGeometry() is Done. At the end of
// BeamOn() method, G4RunManager will reset the application state
// to Idle after G4GeometryManager::OpenGeometry() is Done.
// G4State_GeomClosed
// G4 is in this state between G4GeometryManager::CloseGeometry()
// and G4GeometryManager::OpenGeometry(), but no event is in
// progress. At the begining of each event (construction of a
// G4Event object and primary particle generation), G4RunManager
// changes this state to EventProc and resets to GeomClosed state
// when G4EventManager::ProcessOneEvent() is over.
// G4State_EventProc
// Processing an event.
// G4State_Quit
// G4 is in this state when the destructor of G4RunManager is invoked.
// G4State_Abort
// G4 is in this state when G4Exception is invoked.
//
//
// PreInit
// |
// v
// Init
// |
// v
// Idle ------> Quit
// |^
// v|
// GeomClosed (at each run)
// |^
// v|
// EventProc (at each event)
//
enum G4ApplicationState
{G4State_PreInit, G4State_Init, G4State_Idle, G4State_GeomClosed,
G4State_EventProc, G4State_Quit, G4State_Abort};
#endif