EdgeCondition.hpp

00001 /***************************************************************************
00002   tag: Peter Soetens  Mon Jan 19 14:11:21 CET 2004  EdgeCondition.hpp
00003 
00004                         EdgeCondition.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 EDGECONDITION_HPP
00039 #define EDGECONDITION_HPP
00040 
00041 #include <map>
00042 #include "rtt-config.h"
00043 // adjacency_list has some very short template parameter names,
00044 // which may be defined as macros on some OS's. So undef here.
00045 #undef DS
00046 #undef OEL
00047 #undef VL
00048 #undef VP
00049 #undef EP
00050 #undef GP
00051 #undef EL
00052 
00053 #define BOOST_NO_HASH
00054 #include <boost/graph/adjacency_list.hpp>
00055 
00056 using boost::property;
00057 
00058 enum edge_condition_t { edge_condition };
00059 
00060 namespace boost {
00061     BOOST_INSTALL_PROPERTY(edge, condition);
00062 }
00063 
00064 namespace RTT
00065 {
00066     class ConditionInterface;
00067     class DataSourceBase;
00068 }
00069 
00070 namespace RTT
00071 {
00077     class RTT_API EdgeCondition
00078     {
00079         static int condition_counter;
00080     public:
00081         typedef property<edge_condition_t, EdgeCondition,
00082                          property< boost::edge_index_t, int> > EdgeProperty;
00083 
00087         EdgeCondition();
00088 
00094         EdgeCondition(ConditionInterface* cond );
00095 
00096         ~EdgeCondition();
00097 
00098         EdgeCondition( const EdgeCondition& orig );
00099 
00100         EdgeCondition& operator=( const EdgeCondition& orig );
00101 
00102         EdgeCondition copy( std::map<const DataSourceBase*, DataSourceBase*>& replacementdss ) const;
00103 
00110         void reset();
00111 
00115         bool evaluate();
00116 
00120         ConditionInterface* getCondition() const;
00121 
00122         int getRank() const { return rank; }
00123     protected:
00124 
00125         void setCondition(ConditionInterface* cond);
00126 
00127     private:
00128         ConditionInterface* condition;
00129         int rank;
00130     };
00131 
00132 }
00133 
00134 #endif
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