Image Component Library (ICL)
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ShallowCopyable.h
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00001 /********************************************************************
00002 **                Image Component Library (ICL)                    **
00003 **                                                                 **
00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
00005 **                         Neuroinformatics Group                  **
00006 ** Website: www.iclcv.org and                                      **
00007 **          http://opensource.cit-ec.de/projects/icl               **
00008 **                                                                 **
00009 ** File   : ICLUtils/src/ICLUtils/ShallowCopyable.h                **
00010 ** Module : ICLUtils                                               **
00011 ** Authors: Christof Elbrechter                                    **
00012 **                                                                 **
00013 **                                                                 **
00014 ** GNU LESSER GENERAL PUBLIC LICENSE                               **
00015 ** This file may be used under the terms of the GNU Lesser General **
00016 ** Public License version 3.0 as published by the                  **
00017 **                                                                 **
00018 ** Free Software Foundation and appearing in the file LICENSE.LGPL **
00019 ** included in the packaging of this file.  Please review the      **
00020 ** following information to ensure the license requirements will   **
00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
00022 **                                                                 **
00023 ** The development of this software was supported by the           **
00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
00026 ** Forschungsgemeinschaft (DFG) in the context of the German       **
00027 ** Excellence Initiative.                                          **
00028 **                                                                 **
00029 ********************************************************************/
00030 
00031 #pragma once
00032 
00033 #include <ICLUtils/CompatMacros.h>
00034 #include <ICLUtils/SmartPtr.h>
00035 
00036 namespace icl{
00037   namespace utils{
00038     
00040 
00130     template<class Impl,class DelOp=PointerDelOp>
00131     class ShallowCopyable{
00132       public:
00133       typedef ShallowCopyable<Impl,DelOp> ParentSC;
00134 
00136       bool isNull() const { return impl.get()==NULL; }
00137    
00138       protected:
00139   
00141       ShallowCopyable(Impl *t=0):impl(t){}
00142   
00144       SmartPtrBase<Impl,DelOp> impl;
00145     };
00146   } // namespace utils
00147 }
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