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00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2005 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software; you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by the 00013 Free Software Foundation; either version 2 of the License, or (at your 00014 option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM; if not, write to the Free Software Foundation, 00023 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00024 00025 Class 00026 refCount 00027 00028 Description 00029 Reference counter for tmp<field>. 00030 00031 \*---------------------------------------------------------------------------*/ 00032 00033 #ifndef refCount_H 00034 #define refCount_H 00035 00036 #include "bool.H" 00037 00038 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00039 00040 namespace Foam 00041 { 00042 00043 /*---------------------------------------------------------------------------*\ 00044 Class refCount Declaration 00045 \*---------------------------------------------------------------------------*/ 00046 00047 class refCount 00048 { 00049 // Private data 00050 00051 int count_; 00052 00053 // Private member functions 00054 00055 //- Dissallow copy 00056 refCount(const refCount&); 00057 00058 //- Dissallow bitwise assignment 00059 void operator=(const refCount&); 00060 00061 00062 public: 00063 00064 // Constructors 00065 00066 refCount() 00067 : 00068 count_(0) 00069 {} 00070 00071 00072 // Member Functions 00073 00074 int count() const 00075 { 00076 return count_; 00077 } 00078 00079 00080 bool okToDelete() const 00081 { 00082 return(count_ == 0); 00083 } 00084 00085 00086 void resetRefCount() 00087 { 00088 count_ = 0; 00089 } 00090 00091 00092 // Member Operators 00093 00094 void operator++() 00095 { 00096 count_++; 00097 } 00098 00099 void operator++(int) 00100 { 00101 count_++; 00102 } 00103 00104 00105 void operator--() 00106 { 00107 count_--; 00108 } 00109 00110 void operator--(int) 00111 { 00112 count_--; 00113 } 00114 }; 00115 00116 00117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00118 00119 } // End namespace Foam 00120 00121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00122 00123 #endif 00124 00125 // ************************************************************************* //