00001 /*************************************************************************** 00002 tag: FMTC do nov 2 13:06:04 CET 2006 DispatchAction.hpp 00003 00004 DispatchAction.hpp - description 00005 ------------------- 00006 begin : do november 02 2006 00007 copyright : (C) 2006 FMTC 00008 email : peter.soetens@fmtc.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_DISPATCH_ACTION_HPP 00040 #define ORO_DISPATCH_ACTION_HPP 00041 00042 #include "DispatchInterface.hpp" 00043 00044 namespace RTT 00045 { 00050 class RTT_API DispatchAction 00051 : public ActionInterface 00052 { 00053 DispatchInterface* mdi; 00054 public: 00055 DispatchAction(DispatchInterface* di) 00056 : mdi(di) 00057 {} 00058 00059 ~DispatchAction() { 00060 delete mdi; 00061 } 00062 00063 void reset() { mdi->reset(); } 00064 00065 bool execute() { 00066 // if the command was not dispatched yet, 00067 // do this and return the result. 00068 if ( !mdi->sent() ) 00069 return mdi->dispatch(); 00070 // if it was dispatched and already executed, 00071 // return the result of the command function 00072 if ( mdi->executed() ) 00073 return mdi->valid(); 00074 // in the intermediate state, just return the 00075 // value of the dispatch(). 00076 return mdi->accepted(); 00077 } 00078 00079 bool valid() const { return mdi->valid(); } 00080 00081 void readArguments() { mdi->readArguments(); } 00082 00083 virtual DispatchAction* clone() const { 00084 return new DispatchAction( mdi->clone() ); 00085 } 00086 00087 virtual DispatchAction* copy( std::map<const DataSourceBase*, DataSourceBase*>& alreadyCloned ) const { 00088 return new DispatchAction( mdi->copy(alreadyCloned)); 00089 } 00090 00091 }; 00092 00093 } 00094 00095 #endif