1 #ifndef BOOST_STATECHART_CUSTOM_REACTION_HPP_INCLUDED
2 #define BOOST_STATECHART_CUSTOM_REACTION_HPP_INCLUDED
3 //////////////////////////////////////////////////////////////////////////////
4 // Copyright 2002-2006 Andreas Huber Doenni
5 // Distributed under the Boost Software License, Version 1.0. (See accompany-
6 // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 //////////////////////////////////////////////////////////////////////////////
11 #include <boost/statechart/result.hpp>
13 #include <boost/cast.hpp> // boost::polymorphic_downcast
26 //////////////////////////////////////////////////////////////////////////////
27 template< class Event >
31 //////////////////////////////////////////////////////////////////////////
32 // The following declarations should be private.
33 // They are only public because many compilers lack template friends.
34 //////////////////////////////////////////////////////////////////////////
35 template< class State, class EventBase, class IdType >
36 static detail::reaction_result react(
37 State & stt, const EventBase & evt, const IdType & eventType )
39 if ( eventType == Event::static_type() )
41 return detail::result_utility::get_result(
42 stt.react( *polymorphic_downcast< const Event * >( &evt ) ) );
46 return detail::no_reaction;
52 class custom_reaction< event_base >
55 //////////////////////////////////////////////////////////////////////////
56 // The following declarations should be private.
57 // They are only public because many compilers lack template friends.
58 //////////////////////////////////////////////////////////////////////////
59 template< class State, class EventBase, class IdType >
60 static detail::reaction_result react(
61 State & stt, const EventBase & evt, const IdType & )
63 return detail::result_utility::get_result( stt.react( evt ) );
69 } // namespace statechart