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E:/Projetos_Primeiro_Semestre_2012/TerraView/terralib/src/terralib/kernel/TeCounted.h
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    00001 /************************************************************************************
    00002 TerraLib - a library for developing GIS applications.
    00003 Copyright © 2001-2007 INPE and Tecgraf/PUC-Rio.
    00004
    00005 This code is part of the TerraLib library.
    00006 This library is free software; you can redistribute it and/or
    00007 modify it under the terms of the GNU Lesser General Public
    00008 License as published by the Free Software Foundation; either
    00009 version 2.1 of the License, or (at your option) any later version.
    00010
    00011 You should have received a copy of the GNU Lesser General Public
    00012 License along with this library.
    00013
    00014 The authors reassure the license terms regarding the warranties.
    00015 They specifically disclaim any warranties, including, but not limited to,
    00016 the implied warranties of merchantability and fitness for a particular purpose.
    00017 The library provided hereunder is on an "as is" basis, and the authors have no
    00018 obligation to provide maintenance, support, updates, enhancements, or modifications.
    00019 In no event shall INPE and Tecgraf / PUC-Rio be held liable to any party for direct,
    00020 indirect, special, incidental, or consequential damages arising out of the use
    00021 of this library and its documentation.
    00022 *************************************************************************************/
    00027
    00028
    00033 #ifndef  __TERRALIB_INTERNAL_COUNTED_H
    00034 #define  __TERRALIB_INTERNAL_COUNTED_H
    00035
    00036 #include "TeDefines.h"
    00037
    00038 class TL_DLL TeCounted {
    00039 public:
    00040
    00041 // -- Contructors
    00042
    00044            TeCounted(): refCount_ ( 0 ){}
    00045
    00046 // -- Methods
    00047
    00049            void attach ()
    00050                       { refCount_++; }
    00051
    00053            void detach ()
    00054                       { if ( --refCount_ == 0 )
    00055                                  delete this; }
    00056
    00058            int refCount()
    00059            { return refCount_; }
    00060
    00062            virtual ~TeCounted(){}
    00063
    00064 private:
    00065
    00067            TeCounted(const TeCounted&);
    00068
    00070            TeCounted& operator=(const TeCounted&){return *this;}
    00071
    00072 // -- Members
    00073            int refCount_;
    00074 };
    00075
    00076 #endif
    00077

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