core/NullValue.hpp

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/*
  This file is part of OpenFLUID software
  Copyright (c) 2007-2010 INRA-Montpellier SupAgro


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*/


#ifndef __NULLVALUE_HPP___
#define __NULLVALUE_HPP___




#include <openfluid/core/Value.hpp>
#include <openfluid/dllexport.hpp>


namespace openfluid { namespace core {

class DLLEXPORT NullValue : public Value
{
  public:

    NullValue() {};

    NullValue(const NullValue& Val): Value(Val) {};

    virtual ~NullValue() {};

    inline Type getType() const { return Value::NULLL; };

    Value* clone() const { return new NullValue(*this); };

    inline bool isSimple() const { return false; };

    inline bool isCompound() const { return false; };

    void writeToStream(std::ostream& OutStm) const;
};


} }  // namespaces



#endif /* __NULLVALUE_HPP___ */