developer.intra2net.com Git - libt2n/blob - src/command.hxx

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Gerd v. Egidy                                   *
   3  *   gve@intra2net.com                                                     *
   4  *                                                                         *
   5  *   This library is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU Lesser General Public License version   *
   7  *   2.1 as published by the Free Software Foundation.                     *
   8  *                                                                         *
   9  *   This library is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU Lesser General Public License for more details.                   *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU Lesser General Public      *
  15  *   License along with this program; if not, write to the                 *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  18  ***************************************************************************/
  19 #ifndef __LIBT2N_COMMAND
  20 #define __LIBT2N_COMMAND
  21
  22 #include <boost/serialization/serialization.hpp>
  23 #include <boost/serialization/export.hpp>
  24
  25 namespace libt2n
  26 {
  27
  28 /** @brief base class for the results that are returned from commands.
  29 */
  30 class result
  31 {
  32     private:
  33         friend class boost::serialization::access;
  34         template<class Archive>
  35         void serialize(Archive & ar, const unsigned int version)
  36         { }
  37
  38     public:
  39         result() {}
  40         virtual ~result() {}
  41 };
  42 }
  43 //BOOST_IS_ABSTRACT(libt2n::result)
  44
  45 namespace libt2n
  46 {
  47 /** @brief a command that can be serialized. abstract.
  48 */
  49 class command
  50 {
  51     private:
  52         friend class boost::serialization::access;
  53         template<class Archive>
  54         void serialize(Archive & ar, const unsigned int version)
  55         { }
  56
  57     public:
  58         /// this calls the wanted target function on the server
  59         virtual result* operator()() = 0;
  60         virtual ~command() {}
  61 };
  62 } // namespace libt2n
  63 //BOOST_IS_ABSTRACT(libt2n::command)
  64
  65
  66
  67 #endif
  68