EvolvingObjects
eoFunctorStore.h
00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
00002 
00003 //-----------------------------------------------------------------------------
00004 // eoFunctorStore.h
00005 // (c) Maarten Keijzer 2000, GeNeura Team, 2000
00006 /*
00007   This library is free software; you can redistribute it and/or
00008   modify it under the terms of the GNU Lesser General Public
00009   License as published by the Free Software Foundation; either
00010   version 2 of the License, or (at your option) any later version.
00011 
00012   This library is distributed in the hope that it will be useful,
00013   but WITHOUT ANY WARRANTY; without even the implied warranty of
00014   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015   Lesser General Public License for more details.
00016 
00017   You should have received a copy of the GNU Lesser General Public
00018   License along with this library; if not, write to the Free Software
00019   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020 
00021   Contact: todos@geneura.ugr.es, http://geneura.ugr.es
00022   Marc.Schoenauer@polytechnique.fr
00023   mak@dhi.dk
00024 */
00025 //-----------------------------------------------------------------------------
00026 
00027 #ifndef _eoFunctorStore_h
00028 #define _eoFunctorStore_h
00029 
00030 #include <vector>
00031 #include<algorithm>
00032 
00033 #include "utils/eoLogger.h"
00034 
00035 class eoFunctorBase;
00036 
00044 class eoFunctorStore
00045 {
00046 public:
00047 
00049     eoFunctorStore() {}
00050 
00051     // virtual destructor so we don't need to define it in derived classes
00052     virtual ~eoFunctorStore();
00053 
00055     template <class Functor>
00056     Functor& storeFunctor(Functor* r)
00057         {
00058 #ifndef NDEBUG
00059         unsigned int existing = std::count( vec.begin(), vec.end(), r );
00060         if( existing > 0 ) {
00061              eo::log << eo::warnings << "WARNING: you asked eoFunctorStore to store the functor " << r << " " 
00062                      << existing + 1 << " times, a segmentation fault may occur in the destructor." << std::endl;
00063         }
00064 #endif
00065             // If the compiler complains about the following line,
00066             // check if you really are giving it a pointer to an
00067             // eoFunctorBase derived object
00068             vec.push_back(r);
00069             return *r;
00070         }
00071 
00072 private :
00073 
00075     eoFunctorStore(const eoFunctorStore&);
00076 
00078     eoFunctorStore operator=(const eoFunctorStore&);
00079 
00080 protected:
00081     std::vector<eoFunctorBase*> vec;
00082 };
00083 
00084 #endif
 All Classes Namespaces Files Functions Variables Typedefs Friends