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//
//  G4VMoleculeCounter.cc
//  Geant4
//
//  Created by Mathieu Karamitros on 02/11/2016.
//
//

#include "G4VMoleculeCounter.hh"
#include "G4MoleculeCounter.hh"
G4ThreadLocal
G4VMoleculeCounter* G4VMoleculeCounter::fpInstance = nullptr;

//------------------------------------------------------------------------------

void
G4VMoleculeCounter::SetInstance(G4VMoleculeCounter* pCounterInstance)
{
    if (fpInstance != nullptr)
    {
        G4ExceptionDescription errMsg;
        errMsg << "The G4MoleculeCounter was already initialized." << G4endl
               << "The previous instance will be deleted in order to use yours." << G4endl
               << "However this can generate conflicts. Make sure you call G4MoleculeCounter::SetInstance"
                  "at the beginning of your application."
               << "A good place would be ActionInitialization::Build & BuildForMaster"
               << G4endl;

        G4Exception("G4MoleculeCounter::SetInstance",
                    "SINGLETON_ALREADY_INITIALIZED",
                    JustWarning, errMsg);
        delete fpInstance;
        fpInstance = nullptr;
    }

    fpInstance = pCounterInstance;
}

//------------------------------------------------------------------------------

G4VMoleculeCounter* G4VMoleculeCounter::Instance()
{
    if (fpInstance == nullptr)
    {
        fpInstance = new G4MoleculeCounter();
    }
    return fpInstance;
}

//------------------------------------------------------------------------------

void G4VMoleculeCounter::DeleteInstance()
{
    if (fpInstance != nullptr)
    {
        delete fpInstance;
        fpInstance = nullptr;
    }
}

//------------------------------------------------------------------------------

void G4VMoleculeCounter::InitializeInstance()
{
    if (fpInstance != nullptr)
    {
        fpInstance->Initialize();
    }
}

//------------------------------------------------------------------------------

void G4VMoleculeCounter::Use(G4bool flag)
{
    fUse = flag;
}

//------------------------------------------------------------------------------

G4bool G4VMoleculeCounter::InUse()
{
    return fUse;
}

