/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
     \\/     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 2 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, write to the Free Software Foundation,
    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Class
    Foam::genericPolyPatch

Description
    Determines a mapping between patch face centres and mesh cell centres and
    processors they're on.

Note
    Storage is not optimal. It stores all face centres and cells on all
    processors to keep the addressing calculation simple.

SourceFiles
    genericPolyPatch.C

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

#ifndef genericPolyPatch_H
#define genericPolyPatch_H

#include "polyPatch.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                      Class genericPolyPatch Declaration
\*---------------------------------------------------------------------------*/

class genericPolyPatch
:
    public polyPatch
{
    // Private data

        word actualTypeName_;
        dictionary dict_;

public:

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


    // Constructors

        //- Construct from components
        genericPolyPatch
        (
            const word& name,
            const label size,
            const label start,
            const label index,
            const polyBoundaryMesh& bm
        );

        //- Construct from dictionary
        genericPolyPatch
        (
            const word& name,
            const dictionary& dict,
            const label index,
            const polyBoundaryMesh& bm
        );

        //- Construct as copy, resetting the boundary mesh
        genericPolyPatch
        (
            const genericPolyPatch&,
            const polyBoundaryMesh&
        );

        //- Construct given the original patch and resetting the
        //  face list and boundary mesh information
        genericPolyPatch
        (
            const genericPolyPatch& pp,
            const polyBoundaryMesh& bm,
            const label index,
            const label newSize,
            const label newStart
        );

        //- Construct given the original patch and a map
        genericPolyPatch
        (
            const genericPolyPatch& pp,
            const polyBoundaryMesh& bm,
            const label index,
            const unallocLabelList& mapAddressing,
            const label newStart
        );

        //- Construct and return a clone, resetting the boundary mesh
        virtual autoPtr<polyPatch> clone(const polyBoundaryMesh& bm) const
        {
            return autoPtr<polyPatch>(new genericPolyPatch(*this, bm));
        }

        //- Construct and return a clone, resetting the face list
        //  and boundary mesh
        virtual autoPtr<polyPatch> clone
        (
            const polyBoundaryMesh& bm,
            const label index,
            const label newSize,
            const label newStart
        ) const
        {
            return autoPtr<polyPatch>
            (
                new genericPolyPatch(*this, bm, index, newSize, newStart)
            );
        }

        //- Construct and return a clone, resetting the face list
        //  and boundary mesh
        virtual autoPtr<polyPatch> clone
        (
            const polyBoundaryMesh& bm,
            const label index,
            const unallocLabelList& mapAddressing,
            const label newStart
        ) const
        {
            return autoPtr<polyPatch>
            (
                new genericPolyPatch(*this, bm, index, mapAddressing, newStart)
            );
        }


    // Destructor

        ~genericPolyPatch();


    // Member functions

        //- Write the polyPatch data as a dictionary
        virtual void write(Ostream&) const;
};


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

} // End namespace Foam

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

#endif

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