| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2023 OpenFOAM Foundation | |
| \\/ 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 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::refCount | |
| Description | |
| Reference counter for various OpenFOAM components. | |
| See also | |
| Foam::tmp | |
| Foam::token::compound | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| /*---------------------------------------------------------------------------*\ | |
| Class refCount Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| class refCount | |
| { | |
| // Private Data | |
| int count_; | |
| protected: | |
| // Constructors | |
| //- Construct null initialising count to 0 | |
| refCount() | |
| : | |
| count_(0) | |
| {} | |
| //- Disallow copy | |
| refCount(const refCount&) = delete; | |
| public: | |
| // Member Functions | |
| //- Return the current reference count | |
| int count() const | |
| { | |
| return count_; | |
| } | |
| //- Return true if the reference count is zero | |
| bool unique() const | |
| { | |
| return count_ == 0; | |
| } | |
| // Member Operators | |
| //- Increment the reference count | |
| void operator++() | |
| { | |
| count_++; | |
| } | |
| //- Increment the reference count | |
| void operator++(int) | |
| { | |
| count_++; | |
| } | |
| //- Decrement the reference count | |
| void operator--() | |
| { | |
| count_--; | |
| } | |
| //- Decrement the reference count | |
| void operator--(int) | |
| { | |
| count_--; | |
| } | |
| //- Disallow bitwise assignment | |
| void operator=(const refCount&) = delete; | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |