00001 /*************************************************************************** 00002 tag: Peter Soetens Thu Oct 22 11:59:07 CEST 2009 ActivityInterface.cpp 00003 00004 ActivityInterface.cpp - description 00005 ------------------- 00006 begin : Thu October 22 2009 00007 copyright : (C) 2009 Peter Soetens 00008 email : peter@thesourcworks.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 #include "ActivityInterface.hpp" 00040 #include "RunnableInterface.hpp" 00041 00042 using namespace RTT; 00043 using namespace RTT::base; 00044 00045 ActivityInterface::ActivityInterface(RunnableInterface* run) : runner(run) { 00046 if (runner) 00047 runner->setActivity(this); 00048 } 00049 00050 ActivityInterface::~ActivityInterface() 00051 { 00052 if (runner) { 00053 runner->setActivity(0); 00054 } 00055 } 00056 00057 bool ActivityInterface::run(RunnableInterface* _r) 00058 { 00059 if ( this->isActive() ) 00060 return false; 00061 if (runner) { 00062 runner->setActivity(0); 00063 } 00064 runner = _r; 00065 if (runner) 00066 runner->setActivity(this); // pass on our ptr. 00067 return true; 00068 } 00069 00070 RunnableInterface* ActivityInterface::getRunner() const 00071 { 00072 return runner; 00073 }