ceph/src/boost/boost/statechart/deep_history.hpp

   1 #ifndef BOOST_STATECHART_DEEP_HISTORY_HPP_INCLUDED
   2 #define BOOST_STATECHART_DEEP_HISTORY_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/mpl/bool.hpp>
  12 #include <boost/static_assert.hpp>
  13
  14
  15
  16 namespace boost
  17 {
  18 namespace statechart
  19 {
  20
  21
  22
  23 //////////////////////////////////////////////////////////////////////////////
  24 template< class DefaultState >
  25 class deep_history
  26 {
  27   public:
  28     //////////////////////////////////////////////////////////////////////////
  29     // If you receive a
  30     // "use of undefined type 'boost::STATIC_ASSERTION_FAILURE<x>'" or similar
  31     // compiler error here then you forgot to pass either
  32     // statechart::has_deep_history or statechart::has_full_history as the
  33     // last parameter of DefaultState's context.
  34     BOOST_STATIC_ASSERT( DefaultState::context_type::deep_history::value );
  35
  36     //////////////////////////////////////////////////////////////////////////
  37     // The following declarations should be private.
  38     // They are only public because many compilers lack template friends.
  39     //////////////////////////////////////////////////////////////////////////
  40     typedef typename DefaultState::outermost_context_base_type
  41       outermost_context_base_type;
  42     typedef typename DefaultState::context_type context_type;
  43     typedef typename DefaultState::context_ptr_type context_ptr_type;
  44     typedef typename DefaultState::context_type_list context_type_list;
  45     typedef typename DefaultState::orthogonal_position orthogonal_position;
  46
  47     static void deep_construct(
  48       const context_ptr_type & pContext,
  49       outermost_context_base_type & outermostContextBase )
  50     {
  51       outermostContextBase.template construct_with_deep_history<
  52         DefaultState >( pContext );
  53     }
  54 };
  55
  56
  57
  58 } // namespace statechart
  59 } // namespace boost
  60
  61
  62
  63 #endif