00001 /*************************************************************************** 00002 tag: Peter Soetens Mon Jan 19 14:11:21 CET 2004 ConditionCompare.hpp 00003 00004 ConditionCompare.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 CONDITIONCOMPARE_HPP 00039 #define CONDITIONCOMPARE_HPP 00040 00041 #include "ConditionInterface.hpp" 00042 #include <typeinfo> 00043 00044 #include "DataSource.hpp" 00045 00046 namespace RTT 00047 { 00048 00058 template<typename T, typename compare_op> 00059 class ConditionCompare 00060 : public ConditionInterface 00061 { 00062 typename DataSource<T>::shared_ptr mdata1; 00063 typename DataSource<T>::shared_ptr mdata2; 00064 public: 00065 ConditionCompare( DataSource<T>* data1, DataSource<T>* data2 ) 00066 : mdata1( data1 ), mdata2( data2 ) 00067 { 00068 } 00069 00070 bool evaluate(); 00071 ConditionInterface* copy() const 00072 { 00073 return new ConditionCompare<T, compare_op>( 00074 mdata1.get(), mdata2.get() ); 00075 }; 00076 std::string toString() 00077 { 00078 return std::string( "compare<" ) + typeid( T ).name() + 00079 ", " + typeid( compare_op ).name() + ">"; 00080 }; 00081 }; 00082 00083 template<typename T, typename compare_op> 00084 bool ConditionCompare<T, compare_op>::evaluate() 00085 { 00086 compare_op op; 00087 return op( mdata1->get(), mdata2->get() ); 00088 }; 00089 } 00090 00091 #endif