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Base.hpp

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/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 16, D-52074 Aachen, Germany
 * phone: ++49-241-80-27910,
 * fax: ++49-241-80-22242
 * email: info@openwns.org
 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 ******************************************************************************/

#ifndef WNS_MODULE_BASE_HPP
#define WNS_MODULE_BASE_HPP


#include <WNS/module/MultiTypeFactory.hpp>
#include <WNS/StaticFactory.hpp>
#include <WNS/pyconfig/View.hpp>
#include <WNS/PyConfigViewCreator.hpp>
#include <WNS/logger/Logger.hpp>

#include <map>

namespace wns { namespace module {
    class Base :
        public MultiTypeFactory<std::string>
    {
    public:
        Base(const pyconfig::View& pyco);

        virtual
        ~Base();

        virtual void
        configure() =0;

        virtual void
        shutDown() =0;

        //VersionInformation
        //getVersionInformation() const;

        static bool
        existsService(const std::string& s);

        template <typename T>
        static T
        getService(const std::string& s)
        {
            typename TypeMap::iterator itr =
                getGlobalMap().find(s);

            try {
                assure(itr!=getGlobalMap().end(),
                       "Service not registered");
            }
            catch (wns::Exception e)
            {
                std::stringstream ss;
                ss << "Service \"" << s
                   << "\" not registered!" << std::endl;
                ss << "Registered services are:" << std::endl;
                for (itr = getGlobalMap().begin();
                     itr != getGlobalMap().end();
                     ++itr) {
                    ss << "  " << itr->first << std::endl;
                }
                throw(Exception(ss.str()));
            }

            return itr->second->get<T>(s);
        }

        bool
        getGlobalFlag() const;

        static bool
        load(const std::string& name, bool absolutePath, bool beVerbose, bool lazyBinding);

    protected:
        typedef wns::ChamaeleonBase* (*ConvertFunction)(Base*);

        typedef std::map<std::string, ConvertFunction> ConvertMap;

        void
        addServiceToGlobalMap(const std::string& s);

        ConvertMap convertMap;

        //VersionInformation version;

        bool global;

        logger::Logger logger;

    private:
        typedef std::map<std::string, Base*> TypeMap;

        static TypeMap& getGlobalMap();

        ChamaeleonBase*
        create(const std::string& s);

        void
        removeServiceFromGlobalMap(const std::string& s);
    };

    typedef PyConfigViewCreator<Base> Creator;

    typedef StaticFactory<Creator> Factory;
} // module
} // wns
#endif  // NOT defined WNS_MODULEBASE_HPP

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