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