FieldMapper.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
     \\/     M anipulation  | Copyright (C) 2015 OpenCFD Ltd.
-------------------------------------------------------------------------------
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/>.
 
Class
    Foam::FieldMapper
 
Description
    Abstract base class to hold the Field mapping addressing and weights.
 
\*---------------------------------------------------------------------------*/
 
#ifndef FieldMapper_H
#define FieldMapper_H
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class mapDistributeBase;
 
/*---------------------------------------------------------------------------*\
                           Class FieldMapper Declaration
\*---------------------------------------------------------------------------*/
 
class FieldMapper
{
 
public:
 
    // Constructors
 
        //- Null constructor
        FieldMapper()
        {}
 
 
    //- Destructor
    virtual ~FieldMapper()
    {}
 
 
    // Member Functions
 
        virtual label size() const = 0;
 
        virtual bool direct() const = 0;
 
        virtual bool distributed() const
        {
            return false;
        }
 
        virtual const mapDistributeBase& distributeMap() const
        {
            FatalErrorInFunction
                << "attempt to access null distributeMap"
                << abort(FatalError);
            return *reinterpret_cast<mapDistributeBase*>(NULL);
        }
 
        //- Are there unmapped values? I.e. do all size() elements get
        //  get value
        virtual bool hasUnmapped() const = 0;
 
        virtual const labelUList& directAddressing() const
        {
            FatalErrorInFunction
                << "attempt to access null direct addressing"
                << abort(FatalError);
 
            return labelUList::null();
        }
 
        virtual const labelListList& addressing() const
        {
            FatalErrorInFunction
                << "attempt to access null interpolation addressing"
                << abort(FatalError);
 
            return labelListList::null();
        }
 
        virtual const scalarListList& weights() const
        {
            FatalErrorInFunction
                << "attempt to access null interpolation weights"
                << abort(FatalError);
 
            return scalarListList::null();
        }
 
 
    // Member Operators
 
        template<class Type>
        tmp<Field<Type> > operator()(const Field<Type>& f) const
        {
            return tmp<Field<Type> >(new Field<Type>(f, *this));
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //