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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. *
// ********************************************************************
//
//
// Author: Mathieu Karamitros
// The code is developed in the framework of the ESA AO7146
//
// We would be very happy hearing from you, send us your feedback! :)
//
// In order for Geant4-DNA to be maintained and still open-source,
// article citations are crucial.
// If you use Geant4-DNA chemistry and you publish papers about your software,
// in addition to the general paper on Geant4-DNA:
//
// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157178
//
// we would be very happy if you could please also cite the following
// reference papers on chemistry:
//
// J. Comput. Phys. 274 (2014) 841-882
// Prog. Nucl. Sci. Tec. 2 (2011) 503-508
#ifndef G4MOLECULEHANDLEMANAGER_HH
#define G4MOLECULEHANDLEMANAGER_HH
#include "globals.hh"
#include "G4ReferenceCountedHandle.hh"
#include <map>
#include <G4memory.hh>
class G4Molecule;
using G4MoleculeHandle = std::shared_ptr<const G4Molecule>;
class G4MoleculeHandleManager
{
public:
static G4MoleculeHandleManager* Instance();
~G4MoleculeHandleManager();
G4MoleculeHandle GetMoleculeHandle(const G4Molecule*);
static void DeleteInstance();
private:
G4MoleculeHandleManager();
static G4ThreadLocal G4MoleculeHandleManager* fInstance;
struct CompMoleculePointer
{
G4bool operator()(const G4Molecule* mol1, const G4Molecule* mol2) const;
};
using MoleculeHandleMap = std::map<const G4Molecule *, G4MoleculeHandle, G4MoleculeHandleManager::CompMoleculePointer>;
MoleculeHandleMap fMoleculeHandle;
};
#endif // G4MOLECULEHANDLEMANAGER_HH