Skip to content
Snippets Groups Projects
refCount.H 2.78 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*---------------------------------------------------------------------------*\
      =========                 |
      \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
       \\    /   O peration     |
    
        \\  /    A nd           | Copyright (C) 1991-2008 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::refCount
    
    Description
        Reference counter for tmp\<field\>.
    
    \*---------------------------------------------------------------------------*/
    
    #ifndef refCount_H
    #define refCount_H
    
    #include "bool.H"
    
    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
    
    namespace Foam
    {
    
    /*---------------------------------------------------------------------------*\
                               Class refCount Declaration
    \*---------------------------------------------------------------------------*/
    
    class refCount
    {
        // Private data
    
            int count_;
    
        // Private member functions
    
            //- Dissallow copy
            refCount(const refCount&);
    
            //- Dissallow bitwise assignment
            void operator=(const refCount&);
    
    
    public:
    
        // Constructors
    
            refCount()
            :
                count_(0)
            {}
    
    
        // Member Functions
    
            int count() const
            {
                return count_;
            }
    
    
            bool okToDelete() const
            {
                return(count_ == 0);
            }
    
    
            void resetRefCount()
            {
                count_ = 0;
            }
    
    
        // Member Operators
    
            void operator++()
            {
                count_++;
            }
    
            void operator++(int)
            {
                count_++;
            }
    
    
            void operator--()
            {
                count_--;
            }
    
            void operator--(int)
            {
                count_--;
            }
    };
    
    
    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
    
    } // End namespace Foam
    
    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
    
    #endif
    
    // ************************************************************************* //