00001 /*************************************************************************** 00002 tag: Peter Soetens Thu Apr 22 20:40:57 CEST 2004 CommandFunction.hpp 00003 00004 CommandFunctor.hpp - description 00005 ------------------- 00006 begin : Thu April 22 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 00039 #ifndef ORO_COMMANDFUNCTOR_HPP 00040 #define ORO_COMMANDFUNCTOR_HPP 00041 00042 #include "CommandInterface.hpp" 00043 #include <boost/function.hpp> 00044 00045 namespace RTT 00046 { 00069 template< class F > 00070 class CommandFunctor 00071 : public CommandInterface 00072 { 00073 F f; 00074 public: 00075 typedef F Function; 00076 00080 CommandFunctor(const Function& func) : f(func) {} 00081 00082 virtual ~CommandFunctor() {} 00083 00084 virtual void readArguments() {} 00085 00086 virtual bool execute() { f(); return true; } 00087 00088 virtual CommandInterface* clone() const 00089 { 00090 return new CommandFunctor<F>(f); 00091 } 00092 }; 00093 00110 template<> 00111 class CommandFunctor< boost::function< bool(void) > > 00112 : public CommandInterface 00113 { 00114 boost::function<bool(void)> f; 00115 public: 00116 typedef boost::function<bool(void)> Function; 00117 00121 CommandFunctor(const Function& func) : f(func) {} 00122 00123 virtual ~CommandFunctor() {} 00124 00125 virtual void readArguments() {} 00126 00127 virtual bool execute() { return f(); } 00128 00129 virtual CommandInterface* clone() const 00130 { 00131 return new CommandFunctor<Function>(f); 00132 } 00133 }; 00134 00141 template<class F> 00142 CommandInterface* newCommandFunctor(const F& f ) 00143 { 00144 return new CommandFunctor<F>(f); 00145 } 00146 } 00147 00148 #endif