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https://github.com/OpenFOAM/OpenFOAM-6.git
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131 lines
3.0 KiB
C++
131 lines
3.0 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::refCount
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Description
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Reference counter for various OpenFOAM components.
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SeeAlso
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Foam::tmp
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Foam::token::compound
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\*---------------------------------------------------------------------------*/
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#ifndef refCount_H
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#define refCount_H
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#include "bool.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class refCount Declaration
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\*---------------------------------------------------------------------------*/
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class refCount
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{
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// Private data
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int count_;
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// Private Member Functions
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//- Dissallow copy
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refCount(const refCount&);
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//- Dissallow bitwise assignment
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void operator=(const refCount&);
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protected:
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// Constructors
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//- Construct null initializing count to 0
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refCount()
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:
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count_(0)
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{}
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public:
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// Member Functions
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//- Return the current reference count
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int count() const
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{
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return count_;
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}
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//- Return true if the reference count is zero
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bool unique() const
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{
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return count_ == 0;
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}
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// Member Operators
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//- Increment the reference count
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void operator++()
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{
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count_++;
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}
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//- Increment the reference count
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void operator++(int)
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{
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count_++;
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}
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//- Decrement the reference count
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void operator--()
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{
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count_--;
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}
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//- Decrement the reference count
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void operator--(int)
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{
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count_--;
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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