lduMesh.H

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    Copyright (C) 2019 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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Class
    Foam::lduMesh

Description
    Abstract base class for meshes which provide LDU addressing for the
    construction of lduMatrix and LDU-solvers.

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

#ifndef Foam_lduMesh_H
#define Foam_lduMesh_H

#include "lduAddressing.H"
#include "lduInterfacePtrsList.H"
#include "typeInfo.H"
#include "InfoProxy.H"

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

namespace Foam
{

// Forward Declarations
class objectRegistry;
class lduMesh;

Ostream& operator<<(Ostream&, const InfoProxy<lduMesh>&);


/*---------------------------------------------------------------------------*\
                           Class lduMesh Declaration
\*---------------------------------------------------------------------------*/

class lduMesh
{
public:

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


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


    // Member Functions

        // Access

            //- Return true if thisDb() is a valid DB
            virtual bool hasDb() const = 0;

            //- Return the object registry
            virtual const objectRegistry& thisDb() const;

            //- Return ldu addressing
            virtual const lduAddressing& lduAddr() const = 0;

            //- Return a list of pointers for each patch
            //- with only those pointing to interfaces being set
            virtual lduInterfacePtrsList interfaces() const = 0;

            //- Return communicator used for parallel communication
            virtual label comm() const = 0;

            //- Helper: reduce with current communicator
            template<class T, class BinaryOp>
            void reduce(T& val, BinaryOp bop) const
            {
                Foam::reduce(val, bop, UPstream::msgType(), comm());
            }


    // Info

        //- Return info proxy,
        //- used to print mesh information to a stream
        InfoProxy<lduMesh> info() const noexcept { return *this; }


    // Ostream Operator

        friend Ostream& operator<<(Ostream&, const InfoProxy<lduMesh>&);
};


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

} // End namespace Foam

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

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

#endif

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