Orocos Real-Time Toolkit  2.6.0
NameServerRegistrator.hpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Thu Oct 10 16:16:57 CEST 2002  NameServerRegistrator.hpp
00003 
00004                         NameServerRegistrator.hpp -  description
00005                            -------------------
00006     begin                : Thu October 10 2002
00007     copyright            : (C) 2002 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.ac.be
00009 
00010  ***************************************************************************
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU General Public                   *
00013  *   License as published by the Free Software Foundation;                 *
00014  *   version 2 of the License.                                             *
00015  *                                                                         *
00016  *   As a special exception, you may use this file as part of a free       *
00017  *   software library without restriction.  Specifically, if other files   *
00018  *   instantiate templates or use macros or inline functions from this     *
00019  *   file, or you compile this file and link it with other files to        *
00020  *   produce an executable, this file does not by itself cause the         *
00021  *   resulting executable to be covered by the GNU General Public          *
00022  *   License.  This exception does not however invalidate any other        *
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00024  *   Public License.                                                       *
00025  *                                                                         *
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00030  *                                                                         *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 #ifndef NAMESERVERREGISTRATION_HPP
00039 #define NAMESERVERREGISTRATION_HPP
00040 
00041 #include "NameServer.hpp"
00042 #include <boost/call_traits.hpp>
00043 namespace RTT
00044 { namespace dev {
00045 
00046 
00055     template <class T>
00056     class NameServerRegistrator
00057     {
00058         typedef std::string NameType;
00059         // to hold a reference to the nameserver
00060         // call_traits< NameServer<T> >::reference mnameserver;
00061         NameServer<T>* mnameserver;
00062 
00063         // to hold the object
00064         T mobj;
00065 
00066     public:
00067         NameServerRegistrator()
00068             : mnameserver( 0 )
00069         {}
00070 
00071         NameServerRegistrator( typename boost::call_traits< NameServer< T > >::reference nameserver, const NameType& name,
00072                                typename boost::call_traits<T>::const_reference object )
00073             : mnameserver( &nameserver ), mobj( object )
00074         {
00075             mnameserver->registerObject( object, name );
00076         }
00077 
00078         ~NameServerRegistrator()
00079         {
00080             if ( mnameserver != 0 )
00081                 mnameserver->unregisterObject( mobj );
00082         }
00083     };
00084 
00085 }}
00086 
00087 #endif // NAMESERVERREGISTRATION_HPP