1 // Boost.Geometry Index
3 // R-tree subtree scoped destroyer
5 // Copyright (c) 2011-2015 Adam Wulkiewicz, Lodz, Poland.
7 // Use, modification and distribution is subject to the Boost Software License,
8 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
11 #ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SUBTREE_DESTROYED_HPP
12 #define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SUBTREE_DESTROYED_HPP
14 #include <boost/geometry/index/detail/rtree/visitors/destroy.hpp>
16 namespace boost { namespace geometry { namespace index {
18 namespace detail { namespace rtree {
20 template <typename Value, typename Options, typename Translator, typename Box, typename Allocators>
21 class subtree_destroyer
23 typedef typename rtree::node<Value, typename Options::parameters_type, Box, Allocators, typename Options::node_tag>::type node;
24 typedef typename Allocators::node_pointer pointer;
26 subtree_destroyer(subtree_destroyer const&);
27 subtree_destroyer & operator=(subtree_destroyer const&);
30 subtree_destroyer(pointer ptr, Allocators & allocators)
32 , m_allocators(allocators)
40 void reset(pointer ptr = 0)
42 if ( m_ptr && m_ptr != ptr )
44 detail::rtree::visitors::destroy<Value, Options, Translator, Box, Allocators> del_v(m_ptr, m_allocators);
45 detail::rtree::apply_visitor(del_v, *m_ptr);
60 node & operator*() const
65 pointer operator->() const
72 Allocators & m_allocators;
75 }} // namespace detail::rtree
77 }}} // namespace boost::geometry::index
79 #endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SUBTREE_DESTROYED_HPP