00001 /*************************************************************************** 00002 tag: Peter Soetens Thu Oct 22 11:59:07 CEST 2009 DataObjectUnSync.hpp 00003 00004 DataObjectUnSync.hpp - 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 00040 #ifndef CORELIB_DATAOBJECT_UNSYNC_HPP 00041 #define CORELIB_DATAOBJECT_UNSYNC_HPP 00042 00043 00044 #include "DataObjectInterface.hpp" 00045 00046 namespace RTT 00047 { namespace base { 00048 00054 template<class T> 00055 class DataObjectUnSync 00056 : public DataObjectInterface<T> 00057 { 00061 T data; 00062 public: 00068 DataObjectUnSync( const T& initial_value = T() ) 00069 : data(initial_value) {} 00070 00074 typedef T DataType; 00075 00076 virtual void Get( DataType& pull ) const { pull = data; } 00077 00078 virtual DataType Get() const { DataType cache; Get(cache); return cache; } 00079 00080 virtual void Set( const DataType& push ) { data = push; } 00081 00082 virtual void data_sample( const DataType& sample ) { 00083 Set(sample); 00084 } 00085 00086 virtual T data_sample() const 00087 { 00088 return data; 00089 } 00090 00091 }; 00092 }} 00093 00094 #endif 00095