/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2026 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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/>.

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

#include "slicedFvPatchField.H"

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

template<class Type>
Foam::slicedFvPatchField<Type>::slicedFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, fvMesh>& iF,
    const Field<Type>& completeField
)
:
    fvPatchField<Type>(p, iF, Field<Type>())
{
    // Set the fvPatchField to a slice of the given complete field
    UList<Type>::shallowCopy(p.patchSlice(completeField));
}


template<class Type>
Foam::slicedFvPatchField<Type>::slicedFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, fvMesh>& iF,
    const fvPatchField<Type>& pf
)
:
    fvPatchField<Type>(p, iF, Field<Type>())
{
    // Set the fvPatchField values to the given fvPatchField
    UList<Type>::shallowCopy(pf);
}


template<class Type>
Foam::slicedFvPatchField<Type>::slicedFvPatchField
(
    const slicedFvPatchField<Type>& ptf,
    const DimensionedField<Type, fvMesh>& iF
)
:
    fvPatchField<Type>(ptf.patch(), iF, Field<Type>())
{
    // Transfer the slice from the argument
    UList<Type>::shallowCopy(ptf);
}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

template<class Type>
Foam::slicedFvPatchField<Type>::~slicedFvPatchField()
{
    // Set the fvPatchField storage pointer to nullptr before its destruction
    // to protect the field it a slice of.
    UList<Type>::shallowCopy(UList<Type>(nullptr, 0));
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

template<class Type>
Foam::tmp<Foam::Field<Type>> Foam::slicedFvPatchField<Type>::snGrad() const
{
    NotImplemented;

    return Field<Type>::null();
}


template<class Type>
void Foam::slicedFvPatchField<Type>::updateCoeffs()
{
    NotImplemented;
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::slicedFvPatchField<Type>::valueInternalCoeffs
(
    const tmp<scalarField>&
) const
{
    NotImplemented;

    return Field<Type>::null();
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::slicedFvPatchField<Type>::valueBoundaryCoeffs
(
    const tmp<scalarField>&
) const
{
    NotImplemented;

    return Field<Type>::null();
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::slicedFvPatchField<Type>::gradientInternalCoeffs() const
{
    NotImplemented;

    return Field<Type>::null();
}


template<class Type>
Foam::tmp<Foam::Field<Type>>
Foam::slicedFvPatchField<Type>::gradientBoundaryCoeffs() const
{
    NotImplemented;

    return Field<Type>::null();
}


template<class Type>
void Foam::slicedFvPatchField<Type>::write(Ostream& os) const
{
    fvPatchField<Type>::write(os);
    writeEntry(os, "value", *this);
}


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