/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2022 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Class
    Foam::NoPair

Description
    Placeholder for 'none' option

SourceFiles
    NoPair.C

\*---------------------------------------------------------------------------*/

#ifndef NoPair_H
#define NoPair_H

#include "PairModel.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
/*---------------------------------------------------------------------------*\
                            Class NoPair Declaration
\*---------------------------------------------------------------------------*/

template<class CloudType>
class NoPair
:
    public PairModel<CloudType>
{
public:

    //- Runtime type information
    TypeName("none");


    // Constructors

        //- Construct from dictionary and cloud owner
        NoPair(const dictionary& dict, CloudType& cloud);


    //- Destructor
    virtual ~NoPair() = default;


    // Member Functions

        //- Whether the PairModel has a timestep limit that will
        //- require subCycling
        virtual bool controlsTimestep() const;

        //- For PairModels that control the timestep, calculate the
        //- number of subCycles needed to satisfy the minimum
        //- allowable timestep
        virtual label nSubCycles() const;

        //- Calculate the pair interaction between parcels
        virtual void evaluatePair
        (
            typename CloudType::parcelType& pA,
            typename CloudType::parcelType& pB
        ) const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#ifdef NoRepository
    #include "NoPair.C"
#endif

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //