projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | #ifndef BOOST_STATECHART_EVENT_PROCESSOR_INCLUDED |
| 2 | #define BOOST_STATECHART_EVENT_PROCESSOR_INCLUDED | |
| 3 | ////////////////////////////////////////////////////////////////////////////// | |
| 4 | // Copyright 2002-2008 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 | namespace boost | |
| 12 | { | |
| 13 | namespace statechart | |
| 14 | { | |
| 15 | ||
| 16 | ||
| 17 | ||
| 18 | class event_base; | |
| 19 | ||
| 20 | ||
| 21 | ||
| 22 | ////////////////////////////////////////////////////////////////////////////// | |
| 23 | template< class Scheduler > | |
| 24 | class event_processor | |
| 25 | { | |
| 26 | public: | |
| 27 | ////////////////////////////////////////////////////////////////////////// | |
| 28 | virtual ~event_processor() {} | |
| 29 | ||
| 30 | Scheduler & my_scheduler() const | |
| 31 | { | |
| 32 | return myScheduler_; | |
| 33 | } | |
| 34 | ||
| 35 | typedef typename Scheduler::processor_handle processor_handle; | |
| 36 | ||
| 37 | processor_handle my_handle() const | |
| 38 | { | |
| 39 | return myHandle_; | |
| 40 | } | |
| 41 | ||
| 42 | void initiate() | |
| 43 | { | |
| 44 | initiate_impl(); | |
| 45 | } | |
| 46 | ||
| 47 | void process_event( const event_base & evt ) | |
| 48 | { | |
| 49 | process_event_impl( evt ); | |
| 50 | } | |
| 51 | ||
| 52 | void terminate() | |
| 53 | { | |
| 54 | terminate_impl(); | |
| 55 | } | |
| 56 | ||
| 57 | protected: | |
| 58 | ////////////////////////////////////////////////////////////////////////// | |
| 59 | typedef const typename Scheduler::processor_context & my_context; | |
| 60 | ||
| 61 | event_processor( my_context ctx ) : | |
| 62 | myScheduler_( ctx.my_scheduler() ), | |
| 63 | myHandle_( ctx.my_handle() ) | |
| 64 | { | |
| 65 | } | |
| 66 | ||
| 67 | private: | |
| 68 | ////////////////////////////////////////////////////////////////////////// | |
| 69 | virtual void initiate_impl() = 0; | |
| 70 | virtual void process_event_impl( const event_base & evt ) = 0; | |
| 71 | virtual void terminate_impl() = 0; | |
| 72 | ||
| 73 | // avoids C4512 (assignment operator could not be generated) | |
| 74 | event_processor & operator=( const event_processor & ); | |
| 75 | ||
| 76 | Scheduler & myScheduler_; | |
| 77 | const processor_handle myHandle_; | |
| 78 | }; | |
| 79 | ||
| 80 | ||
| 81 | ||
| 82 | } // namespace statechart | |
| 83 | } // namespace boost | |
| 84 | ||
| 85 | ||
| 86 | ||
| 87 | #endif |