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 <iostream>
  23
  24 #include <boost/serialization/serialization.hpp>
  25 #include <boost/serialization/tracking.hpp>
  26
  27 namespace libt2n
  28 {
  29
  30 /** @brief base class for the results that are returned from commands.
  31 */
  32 class result
  33 {
  34     private:
  35         friend class boost::serialization::access;
  36         template<class Archive>
  37         void serialize(Archive & /* ar */, const unsigned int /* version */)
  38         { }
  39
  40     public:
  41         result() {}
  42         virtual ~result() {}
  43 };
  44 }
  45 //BOOST_IS_ABSTRACT(libt2n::result)
  46 BOOST_CLASS_TRACKING(libt2n::result, boost::serialization::track_never)
  47
  48 namespace libt2n
  49 {
  50 /** @brief a command that can be serialized. abstract.
  51 */
  52 class command
  53 {
  54     private:
  55         friend class boost::serialization::access;
  56         template<class Archive>
  57         void serialize(Archive & /* ar */, const unsigned int /* version */)
  58         { }
  59
  60     public:
  61         /// this calls the wanted target function on the server
  62         virtual result* operator()()=0;
  63         virtual ~command() {}
  64 };
  65 } // namespace libt2n
  66 //BOOST_IS_ABSTRACT(libt2n::command)
  67 BOOST_CLASS_TRACKING(libt2n::command, boost::serialization::track_never)
  68
  69
  70 #endif
  71