G4MoleculeHandleManager.hh

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//
// Author: Mathieu Karamitros (kara (AT) cenbg . in2p3 . fr) 
//
// WARNING : This class is released as a prototype.
// It might strongly evolve or even disapear in the next releases.
//
// History:
// -----------
// 10 Oct 2011 M.Karamitros created
//
// -------------------------------------------------------------------
 
#ifndef G4MOLECULEHANDLEMANAGER_HH
#define G4MOLECULEHANDLEMANAGER_HH
 
#include "globals.hh"
#include "G4ReferenceCountedHandle.hh"
#include <map>
#include <CLHEP/Utility/memory.h>
 
class G4Molecule;
 
typedef CLHEP::shared_ptr<const G4Molecule> G4MoleculeHandle;
 
class G4MoleculeHandleManager
{
public:
    static G4MoleculeHandleManager* Instance();
    ~G4MoleculeHandleManager();
    G4MoleculeHandle GetMoleculeHandle(const G4Molecule*);
 
    static void DeleteInstance();
 
private:
    G4MoleculeHandleManager();
    static G4MoleculeHandleManager* fInstance;
 
    struct CompMoleculePointer
    {
        G4bool operator()(const G4Molecule* mol1, const G4Molecule* mol2) const;
    };
 
    typedef std::map<const G4Molecule*, G4MoleculeHandle, G4MoleculeHandleManager::CompMoleculePointer> MoleculeHandleMap;
    MoleculeHandleMap fMoleculeHandle;
};
 
#endif // G4MOLECULEHANDLEMANAGER_HH