DataSourceTime.hpp

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/***************************************************************************
  tag: Peter Soetens  Wed Jan 18 14:11:39 CET 2006  DataSourceTime.hpp

                        DataSourceTime.hpp -  description
                           -------------------
    begin                : Wed January 18 2006
    copyright            : (C) 2006 Peter Soetens
    email                : peter.soetens@mech.kuleuven.be

 ***************************************************************************
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#include "../os/TimeService.hpp"
#include "../internal/DataSource.hpp"
#include "rtt-scripting-config.h"

namespace RTT
{ namespace scripting {

    class RTT_SCRIPTING_API DataSourceTime
        : public internal::DataSource<os::TimeService::Seconds>
    {
        os::TimeService::ticks stamp;
        mutable os::TimeService::Seconds last;
        os::TimeService* ts;
    public:
        DataSourceTime()
            : stamp( 0 ), last(0), ts( os::TimeService::Instance() )
        {}

        os::TimeService::Seconds get() const {
            return last = ts->secondsSince(stamp);
        }

        os::TimeService::Seconds value() const {
            return last;
        }

        os::TimeService::Seconds const& rvalue() const {
            return last;
        }

        void reset() {
            // get new pointer to ts also ?
            stamp = ts->getTicks();
        }

        DataSourceTime* clone() const {
            return new DataSourceTime();
        }

        DataSourceTime* copy( std::map<const base::DataSourceBase*, base::DataSourceBase*>& alreadyCloned ) const {
            return new DataSourceTime();
        }

    };
}}