/Src/Dependencies/Boost/boost/interprocess/indexes/flat_map_index.hpp
http://hadesmem.googlecode.com/ · C++ Header · 78 lines · 44 code · 11 blank · 23 comment · 0 complexity · 1cbc875b5d5bfcf2168d2f57d35cde94 MD5 · raw file
- //////////////////////////////////////////////////////////////////////////////
- //
- // (C) Copyright Ion Gaztanaga 2005-2009. Distributed under the Boost
- // Software License, Version 1.0. (See accompanying file
- // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- // See http://www.boost.org/libs/interprocess for documentation.
- //
- //////////////////////////////////////////////////////////////////////////////
- #ifndef BOOST_INTERPROCESS_FLAT_MAP_INDEX_HPP
- #define BOOST_INTERPROCESS_FLAT_MAP_INDEX_HPP
- #include <boost/interprocess/detail/config_begin.hpp>
- #include <boost/interprocess/detail/workaround.hpp>
- #include <functional>
- #include <utility>
- #include <boost/interprocess/containers/flat_map.hpp>
- #include <boost/interprocess/allocators/allocator.hpp>
- //!\file
- //!Describes index adaptor of boost::map container, to use it
- //!as name/shared memory index
- //[flat_map_index
- namespace boost { namespace interprocess {
- //!Helper class to define typedefs from IndexTraits
- template <class MapConfig>
- struct flat_map_index_aux
- {
- typedef typename MapConfig::key_type key_type;
- typedef typename MapConfig::mapped_type mapped_type;
- typedef typename MapConfig::
- segment_manager_base segment_manager_base;
- typedef std::less<key_type> key_less;
- typedef std::pair<key_type, mapped_type> value_type;
- typedef allocator<value_type
- ,segment_manager_base> allocator_type;
- typedef flat_map<key_type, mapped_type,
- key_less, allocator_type> index_t;
- };
- //!Index type based in flat_map. Just derives from flat_map and
- //!defines the interface needed by managed memory segments.
- template <class MapConfig>
- class flat_map_index
- //Derive class from flat_map specialization
- : public flat_map_index_aux<MapConfig>::index_t
- {
- /// @cond
- typedef flat_map_index_aux<MapConfig> index_aux;
- typedef typename index_aux::index_t base_type;
- typedef typename index_aux::
- segment_manager_base segment_manager_base;
- /// @endcond
- public:
- //!Constructor. Takes a pointer to the segment manager. Can throw
- flat_map_index(segment_manager_base *segment_mngr)
- : base_type(typename index_aux::key_less(),
- typename index_aux::allocator_type(segment_mngr))
- {}
- //!This reserves memory to optimize the insertion of n elements in the index
- void reserve(std::size_t n)
- { base_type::reserve(n); }
- //!This frees all unnecessary memory
- void shrink_to_fit()
- { base_type::shrink_to_fit(); }
- };
- }} //namespace boost { namespace interprocess
- //]
- #include <boost/interprocess/detail/config_end.hpp>
- #endif //#ifndef BOOST_INTERPROCESS_FLAT_MAP_INDEX_HPP