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        *
00023  *   reasons why the executable file might be covered by the GNU General   *
00024  *   Public License.                                                       *
00025  *                                                                         *
00026  *   This library is distributed in the hope that it will be useful,       *
00027  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00028  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00029  *   Lesser General Public License for more details.                       *
00030  *                                                                         *
00031  *   You should have received a copy of the GNU General Public             *
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00033  *   Foundation, Inc., 59 Temple Place,                                    *
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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 {
00045 
00054     template <class T>
00055     class NameServerRegistrator
00056     {
00057         typedef std::string NameType;
00058         // to hold a reference to the nameserver
00059         // call_traits< NameServer<T> >::reference mnameserver;
00060         NameServer<T>* mnameserver;
00061 
00062         // to hold the object
00063         T mobj;
00064 
00065     public:
00066         NameServerRegistrator()
00067             : mnameserver( 0 )
00068         {}
00069 
00070         NameServerRegistrator( typename boost::call_traits< NameServer< T > >::reference nameserver, const NameType& name,
00071                                typename boost::call_traits<T>::const_reference object )
00072             : mnameserver( &nameserver ), mobj( object )
00073         {
00074             mnameserver->registerObject( object, name );
00075         }
00076 
00077         ~NameServerRegistrator()
00078         {
00079             if ( mnameserver != 0 )
00080                 mnameserver->unregisterObject( mobj );
00081         }
00082     };
00083 
00084 }
00085 
00086 #endif // NAMESERVERREGISTRATION_HPP
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