NameServerRegistrator.hpp

Go to the documentation of this file.

/***************************************************************************
  tag: Peter Soetens  Thu Oct 10 16:16:57 CEST 2002  NameServerRegistrator.hpp

                        NameServerRegistrator.hpp -  description
                           -------------------
    begin                : Thu October 10 2002
    copyright            : (C) 2002 Peter Soetens
    email                : peter.soetens@mech.kuleuven.ac.be

 ***************************************************************************
 *   This library 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;                 *
 *   version 2 of the License.                                             *
 *                                                                         *
 *   As a special exception, you may use this file as part of a free       *
 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
 *   file, or you compile this file and link it with other files to        *
 *   produce an executable, this file does not by itself cause the         *
 *   resulting executable to be covered by the GNU General Public          *
 *   License.  This exception does not however invalidate any other        *
 *   reasons why the executable file might be covered by the GNU General   *
 *   Public License.                                                       *
 *                                                                         *
 *   This library 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 General Public             *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 59 Temple Place,                                    *
 *   Suite 330, Boston, MA  02111-1307  USA                                *
 *                                                                         *
 ***************************************************************************/

#ifndef NAMESERVERREGISTRATION_HPP
#define NAMESERVERREGISTRATION_HPP

#include "NameServer.hpp"
#include <boost/call_traits.hpp>
namespace RTT
{ namespace dev {


    template <class T>
    class NameServerRegistrator
    {
        typedef std::string NameType;
        // to hold a reference to the nameserver
        // call_traits< NameServer<T> >::reference mnameserver;
        NameServer<T>* mnameserver;

        // to hold the object
        T mobj;

    public:
        NameServerRegistrator()
            : mnameserver( 0 )
        {}

        NameServerRegistrator( typename boost::call_traits< NameServer< T > >::reference nameserver, const NameType& name,
                               typename boost::call_traits<T>::const_reference object )
            : mnameserver( &nameserver ), mobj( object )
        {
            mnameserver->registerObject( object, name );
        }

        ~NameServerRegistrator()
        {
            if ( mnameserver != 0 )
                mnameserver->unregisterObject( mobj );
        }
    };

}}

#endif // NAMESERVERREGISTRATION_HPP