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1 | #ifndef BOOST_STATECHART_ASYNCHRONOUS_STATE_MACHINE_HPP_INCLUDED |
2 | #define BOOST_STATECHART_ASYNCHRONOUS_STATE_MACHINE_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 | ////////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | ||
10 | ||
11 | #include <boost/statechart/state_machine.hpp> | |
12 | #include <boost/statechart/fifo_scheduler.hpp> | |
13 | #include <boost/statechart/null_exception_translator.hpp> | |
14 | #include <boost/statechart/event_processor.hpp> | |
15 | ||
16 | #include <memory> // std::allocator | |
17 | ||
18 | ||
19 | namespace boost | |
20 | { | |
21 | namespace statechart | |
22 | { | |
23 | ||
24 | ||
25 | ||
26 | class event_base; | |
27 | ||
28 | ||
29 | ||
30 | ////////////////////////////////////////////////////////////////////////////// | |
31 | template< class MostDerived, | |
32 | class InitialState, | |
33 | class Scheduler = fifo_scheduler<>, | |
34 | class Allocator = std::allocator< void >, | |
35 | class ExceptionTranslator = null_exception_translator > | |
36 | class asynchronous_state_machine : public state_machine< | |
37 | MostDerived, InitialState, Allocator, ExceptionTranslator >, | |
38 | public event_processor< Scheduler > | |
39 | { | |
40 | typedef state_machine< MostDerived, | |
41 | InitialState, Allocator, ExceptionTranslator > machine_base; | |
42 | typedef event_processor< Scheduler > processor_base; | |
43 | protected: | |
44 | ////////////////////////////////////////////////////////////////////////// | |
45 | typedef asynchronous_state_machine my_base; | |
46 | ||
47 | asynchronous_state_machine( typename processor_base::my_context ctx ) : | |
48 | processor_base( ctx ) | |
49 | { | |
50 | } | |
51 | ||
52 | virtual ~asynchronous_state_machine() {} | |
53 | ||
54 | public: | |
55 | ////////////////////////////////////////////////////////////////////////// | |
56 | // The following declarations should be private. | |
57 | // They are only public because many compilers lack template friends. | |
58 | ////////////////////////////////////////////////////////////////////////// | |
59 | void terminate() | |
60 | { | |
61 | processor_base::terminate(); | |
62 | } | |
63 | ||
64 | private: | |
65 | ////////////////////////////////////////////////////////////////////////// | |
66 | virtual void initiate_impl() | |
67 | { | |
68 | machine_base::initiate(); | |
69 | } | |
70 | ||
71 | virtual void process_event_impl( const event_base & evt ) | |
72 | { | |
73 | machine_base::process_event( evt ); | |
74 | } | |
75 | ||
76 | virtual void terminate_impl() | |
77 | { | |
78 | machine_base::terminate(); | |
79 | } | |
80 | }; | |
81 | ||
82 | ||
83 | ||
84 | } // namespace statechart | |
85 | } // namespace boost | |
86 | ||
87 | ||
88 | ||
89 | #endif |