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UpUnconnectable.hpp

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 * This file is part of openWNS (open Wireless Network Simulator)
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 * Copyright (C) 2004-2007
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 * Free Software Foundation;
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 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#ifndef WNS_LDK_TOOLS_UNCONNECTABLE_HPP
#define WNS_LDK_TOOLS_UNCONNECTABLE_HPP

#include <sstream>
#include <WNS/ldk/FunctionalUnit.hpp>

namespace wns { namespace ldk { namespace tools {

    class UpUnconnectable :
        public virtual FunctionalUnit,
                public virtual CompoundHandlerInterface<FunctionalUnit>,
        public virtual HasDelivererInterface
    {
        virtual Deliverer*
        getDeliverer() const
        {
            throw wns::Exception("UpUnconnectable Functional Units do not have a deliverer");
        }

        virtual FunctionalUnit*
        whenConnecting()
        {
            std::ostringstream ss;
            ss << "Misconfiguration of Functional Unit " << this->getName() << std::endl;
            ss << "You must not connect to this Functional Unit from upside.";
            throw wns::Exception(ss.str());
            return 0;
        }

        virtual bool
        doIsAccepting(const CompoundPtr&) const
        {
            throw wns::Exception("Impossible to call isAccepting in UpUnconnectable FU");
        }

        virtual void
        doSendData(const CompoundPtr&)
        {
            throw wns::Exception("Impossible to call sendData in UpUnconnectable FU");
        }
    };
}}}

#endif

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