00001 /*************************************************************************** 00002 tag: Peter Soetens Mon Jan 19 14:11:19 CET 2004 RunnableInterface.hpp 00003 00004 RunnableInterface.hpp - description 00005 ------------------- 00006 begin : Mon January 19 2004 00007 copyright : (C) 2004 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 * 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 #ifndef CORELIB_RUNNABLE_INTERFACE_HPP 00039 #define CORELIB_RUNNABLE_INTERFACE_HPP 00040 00041 #include "ActivityInterface.hpp" 00042 00043 namespace RTT 00044 { namespace base { 00069 class RTT_API RunnableInterface 00070 { 00074 ActivityInterface* owner_task; 00075 public: 00084 RunnableInterface(); 00085 00089 virtual ~RunnableInterface(); 00090 00096 virtual bool initialize() = 0; 00097 00102 virtual void step() = 0; 00103 00109 virtual void loop(); 00110 00120 virtual bool breakLoop(); 00121 00127 virtual void finalize() = 0; 00128 00133 virtual os::ThreadInterface* getThread() const; 00134 00144 virtual bool hasWork(); 00145 00154 inline ActivityInterface* getActivity() const; 00155 00163 virtual void setActivity( ActivityInterface* task ); 00164 }; 00165 00166 00167 ActivityInterface* RunnableInterface::getActivity() const { return owner_task; } 00168 }} 00169 00170 #endif