#ifndef BOOST_STATECHART_TRANSITION_HPP_INCLUDED #define BOOST_STATECHART_TRANSITION_HPP_INCLUDED ////////////////////////////////////////////////////////////////////////////// // Copyright 2002-2008 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 #include namespace boost { namespace statechart { ////////////////////////////////////////////////////////////////////////////// template< class Event, class Destination, class TransitionContext = detail::no_context< Event >, void ( TransitionContext::*pTransitionAction )( const Event & ) = &detail::no_context< Event >::no_function > class transition { private: ////////////////////////////////////////////////////////////////////////// template< class State > struct reactions { static result react_without_action( State & stt ) { return stt.template transit< Destination >(); } static result react_with_action( State & stt, const Event & evt ) { return stt.template transit< Destination >( pTransitionAction, evt ); } }; 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 & evt, const IdType & eventType ) { typedef detail::reaction_dispatcher< reactions< State >, State, EventBase, Event, TransitionContext, IdType > dispatcher; return dispatcher::react( stt, evt, eventType ); } }; } // namespace statechart } // namespace boost #endif