fixedValuePointPatchField.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2023-2026 OpenCFD Ltd.
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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
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Class
    Foam::fixedValuePointPatchField

Description
    A FixedValue boundary condition for pointField.

    The "value" entry is normally MUST_READ.

SourceFiles
    fixedValuePointPatchField.txx

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

#ifndef Foam_fixedValuePointPatchField_H
#define Foam_fixedValuePointPatchField_H

#include "valuePointPatchField.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                  Class fixedValuePointPatchField Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class fixedValuePointPatchField
:
    public valuePointPatchField<Type>
{
    typedef fixedValuePointPatchField<Type> this_bctype;
    typedef valuePointPatchField<Type> parent_bctype;

public:

    //- Runtime type information
    TypeName("fixedValue");


    // Constructors

        //- Construct from patch and internal field
        fixedValuePointPatchField
        (
            const pointPatch&,
            const DimensionedField<Type, pointMesh>&
        );

        //- Construct from patch, internal field and value
        fixedValuePointPatchField
        (
            const pointPatch&,
            const DimensionedField<Type, pointMesh>&,
            const Type& value
        );

        //- Construct from patch, internal field and dictionary
        fixedValuePointPatchField
        (
            const pointPatch&,
            const DimensionedField<Type, pointMesh>&,
            const dictionary&,
            IOobjectOption::readOption requireValue = IOobjectOption::MUST_READ
        );

        //- Compatibility. Prefer with readOption
        fixedValuePointPatchField
        (
            const pointPatch& p,
            const DimensionedField<Type, pointMesh>& iF,
            const dictionary& dict,
            const bool needValue
        )
        :
            this_bctype
            (
                p, iF, dict,
                (needValue? IOobjectOption::MUST_READ : IOobjectOption::NO_READ)
            )
        {}

        //- Construct by mapping onto a new patch
        fixedValuePointPatchField
        (
            const this_bctype&,
            const pointPatch&,
            const DimensionedField<Type, pointMesh>&,
            const pointPatchFieldMapper&
        );

        //- Copy construct onto patch with internal field reference
        //- and specified value
        fixedValuePointPatchField
        (
            const this_bctype&,
            const pointPatch& p,
            const DimensionedField<Type, pointMesh>& iF,
            const Type& value
        );

        //- Copy construct with internal field reference
        fixedValuePointPatchField
        (
            const this_bctype& pfld,
            const DimensionedField<Type, pointMesh>& iF
        );

        //- No copy without an internal field
        [[deprecated("2026-03: soon = delete")]]
        fixedValuePointPatchField(const this_bctype& pfld)
        #ifdef Foam_pointPatchField_copyConstruct
        : this_bctype(pfld, pfld.internalField()) {}
        #else
        = delete;
        #endif

        //- Clone with an internal field reference
        virtual autoPtr<pointPatchField<Type>> clone
        (
            const DimensionedField<Type, pointMesh>& iF
        ) const
        {
            return pointPatchField<Type>::Clone(*this, iF);
        }


    // Member Functions

        //- True: this patch field fixes a value.
        virtual bool fixesValue() const { return true; }

        //- False: this patch field is not altered by assignment.
        virtual bool assignable() const { return false; }


    // Member Operators

        // No assignment operations
        virtual void operator=(const valuePointPatchField<Type>&) {}
        virtual void operator=(const pointPatchField<Type>&) {}
        virtual void operator=(const Field<Type>&) {}
        virtual void operator=(const Type&) {}
};


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

} // End namespace Foam

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

#ifdef NoRepository
    #include "fixedValuePointPatchField.txx"
#endif

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

#endif

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