rtt: rtt: ConditionDSDuration.cpp Source File

00001 /***************************************************************************
00002   tag: Peter Soetens  Wed Jan 18 14:11:39 CET 2006  ConditionDSDuration.cxx
00003 
00004                         ConditionDSDuration.cxx -  description
00005                            -------------------
00006     begin                : Wed January 18 2006
00007     copyright            : (C) 2006 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.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,                                    *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 
00039 
00040 #include "ConditionDSDuration.hpp"
00041 
00042 namespace RTT {
00043     using namespace detail;
00044 
00045     ConditionDSDuration::ConditionDSDuration( DataSource<double>::shared_ptr ds, bool invert )
00046         : time( ds ), hb( TimeService::Instance() ),
00047           mark( 0 ), _invert( invert )
00048     {}
00049 
00050     ConditionDSDuration::~ConditionDSDuration()
00051     {}
00052 
00053     bool ConditionDSDuration::evaluate()
00054     {
00055         return _invert != ( time->get() > hb->secondsSince( mark ) );
00056     }
00057 
00058     void ConditionDSDuration::reset()
00059     {
00060         mark = hb->getTicks();
00061     }
00062 
00063     ConditionInterface* ConditionDSDuration::clone() const
00064     {
00065         return new ConditionDSDuration( time, _invert );
00066     }
00067 
00068     ConditionInterface* ConditionDSDuration::copy( std::map<const DataSourceBase*, DataSourceBase*>& alreadyCloned ) const
00069     {
00070         return new ConditionDSDuration( time->copy(alreadyCloned), _invert );
00071     }
00072 }