phasePairKey.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2014-2015 OpenFOAM Foundation
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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
    (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::phasePairKey
 
Description
 
SourceFiles
 
\*---------------------------------------------------------------------------*/
 
#ifndef phasePairKey_H
#define phasePairKey_H
 
#include "Pair.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                         Class phasePairKey Declaration
\*---------------------------------------------------------------------------*/
 
class phasePairKey
:
    public Pair<word>
{
public:
 
        class hash
        :
            public Hash<phasePairKey>
        {
        public:
 
            // Constructors
 
                // Construct null
                hash();
 
 
            // Member operators
 
                // Generate a hash from a phase pair key
                label operator()(const phasePairKey& key) const;
        };
 
 
private:
 
    // Private data
 
        //- Flag to indicate whether ordering is important
        bool ordered_;
 
 
public:
 
    // Constructors
 
        //- Construct null
        phasePairKey();
 
        //- Construct from names and the ordering flag
        phasePairKey
        (
            const word& name1,
            const word& name2,
            const bool ordered = false
        );
 
 
    // Destructor
    virtual ~phasePairKey();
 
 
    // Access
 
        //- Return the ordered flag
        bool ordered() const;
 
 
    // Friend Operators
 
        //- Test if keys are equal
        friend bool operator==(const phasePairKey& a, const phasePairKey& b);
 
        //- Test if keys are unequal
        friend bool operator!=(const phasePairKey& a, const phasePairKey& b);
 
        //- Read from stdin
        friend Istream& operator>>(Istream& is, phasePairKey& key);
 
        //- Write to stdout
        friend Ostream& operator<<(Ostream& os, const phasePairKey& key);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //