Orocos Real-Time Toolkit  2.5.0
ExecutableInterface.hpp
00001 /***************************************************************************
00002   tag: The SourceWorks  Tue Sep 7 00:55:18 CEST 2010  ExecutableInterface.hpp
00003 
00004                         ExecutableInterface.hpp -  description
00005                            -------------------
00006     begin                : Tue September 07 2010
00007     copyright            : (C) 2010 The SourceWorks
00008     email                : peter@thesourceworks.com
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             *
00032  *   License along with this library; if not, write to the Free Software   *
00033  *   Foundation, Inc., 59 Temple Place,                                    *
00034  *   Suite 330, Boston, MA  02111-1307  USA                                *
00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 #ifndef EXECUTABLE_INTERFACE_HPP
00040 #define EXECUTABLE_INTERFACE_HPP
00041 
00042 #include "../rtt-fwd.hpp"
00043 #include "../rtt-config.h"
00044 
00045 namespace RTT
00046 {
00047     namespace base {
00048 
00058         class RTT_API ExecutableInterface
00059         {
00060         protected:
00061             ExecutionEngine* engine;
00062         public:
00070             void loaded(ExecutionEngine* ee) { engine = ee; this->loading();}
00071 
00078             void unloaded() { this->unloading(); engine = 0;}
00079 
00080             ExecutableInterface() : engine(0) {}
00081             virtual ~ExecutableInterface() {}
00082 
00089             virtual void loading() {}
00090 
00095             bool isLoaded() { return engine != 0; }
00096 
00102             ExecutionEngine* getEngine() { return engine; }
00103 
00110             virtual bool execute() = 0;
00111 
00118             virtual void unloading() {}
00119         };
00120     }
00121 }
00122 #endif