#ifndef BOOST_STATECHART_DEFERRAL_HPP_INCLUDED #define BOOST_STATECHART_DEFERRAL_HPP_INCLUDED ////////////////////////////////////////////////////////////////////////////// // Copyright 2002-2006 Andreas Huber Doenni // Distributed under the Boost Software License, Version 1.0. (See accompany- // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ////////////////////////////////////////////////////////////////////////////// #include <boost/statechart/result.hpp> namespace boost { namespace statechart { class event_base; ////////////////////////////////////////////////////////////////////////////// template< class Event > class deferral { public: ////////////////////////////////////////////////////////////////////////// // The following declarations should be private. // They are only public because many compilers lack template friends. ////////////////////////////////////////////////////////////////////////// template< class State, class EventBase, class IdType > static detail::reaction_result react( State & stt, const EventBase &, const IdType & eventType ) { if ( eventType == Event::static_type() ) { return detail::result_utility::get_result( stt.defer_event() ); } else { return detail::no_reaction; } } }; template<> class deferral< event_base > { public: ////////////////////////////////////////////////////////////////////////// // The following declarations should be private. // They are only public because many compilers lack template friends. ////////////////////////////////////////////////////////////////////////// template< class State, class EventBase, class IdType > static detail::reaction_result react( State & stt, const EventBase &, const IdType & ) { return detail::result_utility::get_result( stt.defer_event() ); } }; } // namespace statechart } // namespace boost #endif