openfoam/src/OpenFOAM/meshes/pointMesh/pointPatches/constraint/cyclic/cyclicPointPatch.H

/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2016 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.

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Class
    Foam::cyclicPointPatch

Description
    Cyclic patch for post-processing.

SourceFiles
    cyclicPointPatch.C

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

#ifndef cyclicPointPatch_H
#define cyclicPointPatch_H

#include "coupledFacePointPatch.H"
#include "cyclicPolyPatch.H"
#include "pointBoundaryMesh.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                      Class cyclicPointPatch Declaration
\*---------------------------------------------------------------------------*/

class cyclicPointPatch
:
    public coupledFacePointPatch
{
    // Private data

        //- Local reference cast into the cyclic patch
        const cyclicPolyPatch& cyclicPolyPatch_;


    // Private Member Functions

        //- No copy construct
        cyclicPointPatch(const cyclicPointPatch&) = delete;

        //- No copy assignment
        void operator=(const cyclicPointPatch&) = delete;


    // Demand driven private data

        //- Initialise the calculation of the patch geometry
        virtual void initGeometry(PstreamBuffers&);

        //- Calculate the patch geometry
        virtual void calcGeometry(PstreamBuffers&);

        //- Initialise the patches for moving points
        virtual void initMovePoints(PstreamBuffers&, const pointField&);

        //- Correct patches after moving points
        virtual void movePoints(PstreamBuffers&, const pointField&);

        //- Initialise the update of the patch topology
        virtual void initUpdateMesh(PstreamBuffers&);

        //- Update of the patch topology
        virtual void updateMesh(PstreamBuffers&);


public:

    //- Runtime type information
    TypeName(cyclicPolyPatch::typeName_());


    // Constructors

        //- Construct from components
        cyclicPointPatch
        (
            const polyPatch& patch,
            const pointBoundaryMesh& bm
        );

        //- Construct given the original patch and a map
        cyclicPointPatch
        (
            const cyclicPointPatch& patch,
            const pointBoundaryMesh& bm,
            const label index,
            const labelUList& mapAddressing,
            const labelUList& reversePointMap
        );

        //- Construct and return a subset clone,
        //- resetting the point list and boundary mesh
        virtual autoPtr<pointPatch> clone
        (
            const pointBoundaryMesh& bm,
            const label index,
            const labelUList& mapAddressing,
            const labelUList& reversePointMap
        ) const
        {
            return autoPtr<pointPatch>::NewFrom<cyclicPointPatch>
            (
                *this,
                bm,
                index,
                mapAddressing,
                reversePointMap
            );
        }


    //- Destructor
    virtual ~cyclicPointPatch();


    // Member Functions

        // Access

            //- Return the constraint type this pointPatch implements.
            virtual const word& constraintType() const
            {
                return type();
            }

            //- Return the underlying cyclicPolyPatch
            const cyclicPolyPatch& cyclicPatch() const
            {
                return cyclicPolyPatch_;
            }

            //- Return neighbour point patch
            const cyclicPointPatch& neighbPatch() const
            {
                label patchi = cyclicPolyPatch_.neighbPatchID();
                const pointPatch& pp = this->boundaryMesh()[patchi];
                return refCast<const cyclicPointPatch>(pp);
            }

            //- Are the cyclic planes parallel
            bool parallel() const
            {
                return cyclicPolyPatch_.parallel();
            }

            //- Return face transformation tensor
            const tensorField& forwardT() const
            {
                return cyclicPolyPatch_.forwardT();
            }

            //- Return neighbour-cell transformation tensor
            const tensorField& reverseT() const
            {
                return cyclicPolyPatch_.reverseT();
            }


        // Access functions for demand driven data

            //- Return the set of pairs of points that require transformation
            //  and/or mapping. First index is on this patch, second on the
            //  neighbour patch.
            virtual const edgeList& transformPairs() const;
};


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

} // End namespace Foam

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

#endif

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