FunctionBinding.h

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//  »missingDescription«
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// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
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//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation; either version 2 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/
#ifndef FunctionBinding_h
#define FunctionBinding_h



// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <utils/common/ValueSource.h>
#include "CastingFunctionBinding.h"


// ===========================================================================
// class definitions
// ===========================================================================
template< class T, typename R  >
class FunctionBinding : public ValueSource<R> {
public:
    typedef R(T::* Operation)() const;

    FunctionBinding(T* source, Operation operation) :
            mySource(source),
            myOperation(operation) {}

    ~FunctionBinding() {}

    R getValue() const {
        return (mySource->*myOperation)();
    }

    ValueSource<R> *copy() const {
        return new FunctionBinding<T, R>(mySource, myOperation);
    }

    ValueSource<SUMOReal> *makeSUMORealReturningCopy() const {
        return new CastingFunctionBinding<T, SUMOReal, R>(mySource, myOperation);
    }

private:
    T* mySource;

    Operation myOperation;
};


#endif

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