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Stamper.hpp

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/******************************************************************************
 * Glue                                                                       *
 * __________________________________________________________________________ *
 *                                                                            *
 * Copyright (C) 2005-2006                                                    *
 * Lehrstuhl fuer Kommunikationsnetze (ComNets)                               *
 * Kopernikusstr. 16, D-52074 Aachen, Germany                                 *
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 * email: wns@comnets.rwth-aachen.de                                          *
 * www: http://wns.comnets.rwth-aachen.de                                     *
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#ifndef GLUE_STAMPER_HPP
#define GLUE_STAMPER_HPP

#include <WNS/ldk/fun/FUN.hpp>
#include <WNS/ldk/HasReceptor.hpp>
#include <WNS/ldk/HasConnector.hpp>
#include <WNS/ldk/HasDeliverer.hpp>
#include <WNS/ldk/Processor.hpp>
#include <WNS/ldk/CommandTypeSpecifier.hpp>
#include <WNS/pyconfig/View.hpp>
#include <WNS/logger/Logger.hpp>
#include <WNS/Cloneable.hpp>
#include <WNS/Assure.hpp>

#include <string>

namespace glue {

    template <class COMMAND>
    class Stamper :
    public wns::ldk::Processor<Stamper<COMMAND> >,
    public wns::ldk::CommandTypeSpecifier<COMMAND>,
    public wns::ldk::HasReceptor<>,
    public wns::ldk::HasConnector<>,
    public wns::ldk::HasDeliverer<>,
    public wns::Cloneable<Stamper<COMMAND> >
    {
    public:
    typedef COMMAND Command;

    Stamper(wns::ldk::fun::FUN* fun, wns::pyconfig::View& config) :
        wns::ldk::Processor<Stamper<Command> >(),
        wns::ldk::CommandTypeSpecifier<COMMAND>(fun),
        wns::ldk::HasReceptor<>(),
        wns::ldk::HasConnector<>(),
        wns::ldk::HasDeliverer<>(),
        wns::Cloneable<Stamper<COMMAND> >(),

        stamp(NULL),
        logger(config.get<wns::pyconfig::View>("logger")),
        logMessage(config.get<std::string>("logMessage"))
    {
    }       

    virtual
    ~Stamper()
    {
        if (stamp != NULL) delete stamp;
    }

    // ProcessorInterface
    virtual void
    processIncoming(const wns::ldk::CompoundPtr& /* compound */)
    {
    }
    
    virtual void
    processOutgoing(const wns::ldk::CompoundPtr& compound)
    {
        assure(stamp != NULL, "I'm a stamper without a stamp. I'm damn useless.");
        if (logMessage != "") {
        MESSAGE_BEGIN(NORMAL, logger, m, this->getFUN()->getName());
        m << logMessage;
        MESSAGE_END();
        }
        Command* command = this->activateCommand(compound->getCommandPool());
        (*command) = (*stamp);
    }

    // Selectors
    void
    setStamp(const Command& stamp)
    {
        if (this->stamp != NULL) delete this->stamp;
        this->stamp = new Command(stamp);
    }

    const Command&
    getStamp() const
    {
        return *stamp;
    }

    private:
    Command* stamp;
    wns::logger::Logger logger;
    std::string logMessage;
    };

}

#endif // GLUE_STAMPER_HPP

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