SUMO - Simulation of Urban MObility
CastingFunctionBinding.h
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00001 /****************************************************************************/
00009 //  »missingDescription«
00010 /****************************************************************************/
00011 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
00012 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors
00013 /****************************************************************************/
00014 //
00015 //   This file is part of SUMO.
00016 //   SUMO is free software: you can redistribute it and/or modify
00017 //   it under the terms of the GNU General Public License as published by
00018 //   the Free Software Foundation, either version 3 of the License, or
00019 //   (at your option) any later version.
00020 //
00021 /****************************************************************************/
00022 #ifndef CastingFunctionBinding_h
00023 #define CastingFunctionBinding_h
00024 
00025 
00026 // ===========================================================================
00027 // included modules
00028 // ===========================================================================
00029 #ifdef _MSC_VER
00030 #include <windows_config.h>
00031 #else
00032 #include <config.h>
00033 #endif
00034 
00035 #include <utils/common/ValueSource.h>
00036 
00037 
00038 // ===========================================================================
00039 // class definitions
00040 // ===========================================================================
00044 template< class T, typename R, typename O  >
00045 class CastingFunctionBinding : public ValueSource<R> {
00046 public:
00048     typedef O(T::* Operation)() const;
00049 
00050     CastingFunctionBinding(T* source, Operation operation) :
00051         mySource(source),
00052         myOperation(operation) {}
00053 
00055     ~CastingFunctionBinding() {}
00056 
00057     R getValue() const {
00058         return (R)(mySource->*myOperation)();
00059     }
00060 
00061     ValueSource<R> *copy() const {
00062         return new CastingFunctionBinding<T, R, O>(mySource, myOperation);
00063     }
00064 
00065     ValueSource<SUMOReal> *makeSUMORealReturningCopy() const {
00066         return new CastingFunctionBinding<T, SUMOReal, O>(mySource, myOperation);
00067     }
00068 
00069 protected:
00070 
00071 private:
00073     T* mySource;
00074 
00076     Operation myOperation;
00077 };
00078 
00079 
00080 #endif
00081 
00082 /****************************************************************************/
00083 
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