hybrid.hpp
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#ifndef OSMIUM_INDEX_MULTIMAP_HYBRID_HPP
#define OSMIUM_INDEX_MULTIMAP_HYBRID_HPP
/*
This file is part of Osmium (http://osmcode.org/libosmium).
Copyright 2013-2016 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <cstddef>
#include <utility>
#include <osmium/index/index.hpp>
#include <osmium/index/multimap.hpp>
#include <osmium/index/multimap/sparse_mem_array.hpp>
#include <osmium/index/multimap/sparse_mem_multimap.hpp>
namespace osmium {
namespace index {
namespace multimap {
template <typename TId, typename TValue>
class HybridIterator {
typedef SparseMemArray<TId, TValue> main_map_type;
typedef SparseMemMultimap<TId, TValue> extra_map_type;
typedef typename std::pair<TId, TValue> element_type;
typename main_map_type::iterator m_begin_main;
typename main_map_type::iterator m_end_main;
typename extra_map_type::iterator m_begin_extra;
typename extra_map_type::iterator m_end_extra;
public:
HybridIterator(typename main_map_type::iterator begin_main,
typename main_map_type::iterator end_main,
typename extra_map_type::iterator begin_extra,
typename extra_map_type::iterator end_extra) :
m_begin_main(begin_main),
m_end_main(end_main),
m_begin_extra(begin_extra),
m_end_extra(end_extra) {
}
~HybridIterator() noexcept = default;
HybridIterator& operator++() {
if (m_begin_main == m_end_main) {
++m_begin_extra;
} else {
++m_begin_main;
while (m_begin_main != m_end_main && m_begin_main->second == osmium::index::empty_value<TValue>()) { // ignore removed elements
++m_begin_main;
}
}
return *this;
}
HybridIterator<TId, TValue> operator++(int) {
auto tmp(*this);
operator++();
return tmp;
}
bool operator==(const HybridIterator& rhs) const {
return m_begin_main == rhs.m_begin_main &&
m_end_main == rhs.m_end_main &&
m_begin_extra == rhs.m_begin_extra &&
m_end_extra == rhs.m_end_extra;
}
bool operator!=(const HybridIterator& rhs) const {
return ! operator==(rhs);
}
const element_type& operator*() {
if (m_begin_main == m_end_main) {
return *m_begin_extra;
} else {
return *m_begin_main;
}
}
const element_type* operator->() {
return &operator*();
}
}; // class HybridIterator
template <typename TId, typename TValue>
class Hybrid : public Multimap<TId, TValue> {
typedef SparseMemArray<TId, TValue> main_map_type;
typedef SparseMemMultimap<TId, TValue> extra_map_type;
main_map_type m_main;
extra_map_type m_extra;
public:
typedef HybridIterator<TId, TValue> iterator;
typedef const HybridIterator<TId, TValue> const_iterator;
Hybrid() :
m_main(),
m_extra() {
}
~Hybrid() noexcept = default;
size_t size() const final {
return m_main.size() + m_extra.size();
}
size_t used_memory() const final {
return m_main.used_memory() + m_extra.used_memory();
}
void reserve(const size_t size) {
m_main.reserve(size);
}
void unsorted_set(const TId id, const TValue value) {
m_main.set(id, value);
}
void set(const TId id, const TValue value) final {
m_extra.set(id, value);
}
std::pair<iterator, iterator> get_all(const TId id) {
auto result_main = m_main.get_all(id);
auto result_extra = m_extra.get_all(id);
return std::make_pair(iterator(result_main.first, result_main.second, result_extra.first, result_extra.second),
iterator(result_main.second, result_main.second, result_extra.second, result_extra.second));
}
void remove(const TId id, const TValue value) {
m_main.remove(id, value);
m_extra.remove(id, value);
}
void consolidate() {
m_main.erase_removed();
for (const auto& element : m_extra) {
m_main.set(element.first, element.second);
}
m_extra.clear();
m_main.sort();
}
void dump_as_list(const int fd) final {
consolidate();
m_main.dump_as_list(fd);
}
void clear() final {
m_main.clear();
m_extra.clear();
}
void sort() final {
m_main.sort();
}
}; // class Hybrid
} // namespace multimap
} // namespace index
} // namespace osmium
#endif // OSMIUM_INDEX_MULTIMAP_HYBRID_HPP
osmium::index::multimap::Hybrid::main_map_type
SparseMemArray< TId, TValue > main_map_type
Definition: hybrid.hpp:123
osmium::index::multimap::SparseMemMultimap::used_memory
size_t used_memory() const final
Definition: sparse_mem_multimap.hpp:121
osmium::index::multimap::Hybrid::reserve
void reserve(const size_t size)
Definition: hybrid.hpp:149
osmium::index::multimap::Hybrid::used_memory
size_t used_memory() const final
Definition: hybrid.hpp:145
osmium::index::multimap::Hybrid::iterator
HybridIterator< TId, TValue > iterator
Definition: hybrid.hpp:131
index.hpp
osmium::index::multimap::HybridIterator::main_map_type
SparseMemArray< TId, TValue > main_map_type
Definition: hybrid.hpp:53
osmium::index::multimap::SparseMemArray
VectorBasedSparseMultimap< TId, TValue, StdVectorWrap > SparseMemArray
Definition: sparse_mem_array.hpp:50
osmium::index::multimap::Hybrid::Hybrid
Hybrid()
Definition: hybrid.hpp:134
osmium::index::multimap::Hybrid::unsorted_set
void unsorted_set(const TId id, const TValue value)
Definition: hybrid.hpp:153
osmium::index::multimap::SparseMemMultimap::remove
void remove(const TId id, const TValue value)
Definition: sparse_mem_multimap.hpp:99
osmium::index::multimap::SparseMemMultimap::get_all
std::pair< iterator, iterator > get_all(const TId id)
Definition: sparse_mem_multimap.hpp:91
osmium::index::multimap::HybridIterator::operator!=
bool operator!=(const HybridIterator &rhs) const
Definition: hybrid.hpp:102
osmium
Namespace for everything in the Osmium library.
Definition: assembler.hpp:59
osmium::index::multimap::Hybrid::get_all
std::pair< iterator, iterator > get_all(const TId id)
Definition: hybrid.hpp:161
osmium::index::multimap::Hybrid::consolidate
void consolidate()
Definition: hybrid.hpp:173
osmium::index::multimap::HybridIterator::operator*
const element_type & operator*()
Definition: hybrid.hpp:106
osmium::index::multimap::HybridIterator::operator++
HybridIterator< TId, TValue > operator++(int)
Definition: hybrid.hpp:89
osmium::index::multimap::Hybrid::m_extra
extra_map_type m_extra
Definition: hybrid.hpp:127
osmium::index::multimap::HybridIterator::operator++
HybridIterator & operator++()
Definition: hybrid.hpp:77
osmium::index::multimap::SparseMemMultimap::iterator
collection_type::iterator iterator
Definition: sparse_mem_multimap.hpp:67
osmium::index::multimap::HybridIterator::m_end_main
main_map_type::iterator m_end_main
Definition: hybrid.hpp:59
osmium::index::multimap::HybridIterator::HybridIterator
HybridIterator(typename main_map_type::iterator begin_main, typename main_map_type::iterator end_main, typename extra_map_type::iterator begin_extra, typename extra_map_type::iterator end_extra)
Definition: hybrid.hpp:65
osmium::index::multimap::SparseMemMultimap
Definition: sparse_mem_multimap.hpp:56
osmium::index::multimap::SparseMemMultimap::clear
void clear() final
Definition: sparse_mem_multimap.hpp:125
osmium::index::multimap::Hybrid::m_main
main_map_type m_main
Definition: hybrid.hpp:126
sparse_mem_multimap.hpp
osmium::index::multimap::HybridIterator::m_begin_extra
extra_map_type::iterator m_begin_extra
Definition: hybrid.hpp:60
osmium::index::multimap::Multimap
Definition: multimap.hpp:51
osmium::index::multimap::Hybrid
Definition: hybrid.hpp:121
osmium::index::multimap::HybridIterator::~HybridIterator
~HybridIterator() noexcept=default
osmium::index::multimap::HybridIterator::operator->
const element_type * operator->()
Definition: hybrid.hpp:114
osmium::index::multimap::HybridIterator::m_begin_main
main_map_type::iterator m_begin_main
Definition: hybrid.hpp:58
osmium::index::multimap::SparseMemMultimap::size
size_t size() const final
Definition: sparse_mem_multimap.hpp:117
osmium::index::multimap::SparseMemMultimap::set
void set(const TId id, const TValue value) final
Set the field with id to value.
Definition: sparse_mem_multimap.hpp:87
osmium::index::multimap::HybridIterator
Definition: hybrid.hpp:51
osmium::index::multimap::HybridIterator::m_end_extra
extra_map_type::iterator m_end_extra
Definition: hybrid.hpp:61
osmium::index::multimap::HybridIterator::operator==
bool operator==(const HybridIterator &rhs) const
Definition: hybrid.hpp:95
multimap.hpp
osmium::index::multimap::Hybrid::extra_map_type
SparseMemMultimap< TId, TValue > extra_map_type
Definition: hybrid.hpp:124
osmium::index::multimap::HybridIterator::extra_map_type
SparseMemMultimap< TId, TValue > extra_map_type
Definition: hybrid.hpp:54
osmium::index::multimap::Hybrid::dump_as_list
void dump_as_list(const int fd) final
Definition: hybrid.hpp:182
osmium::index::multimap::Hybrid::clear
void clear() final
Definition: hybrid.hpp:187
osmium::index::multimap::Hybrid::sort
void sort() final
Definition: hybrid.hpp:192
osmium::index::multimap::Hybrid::const_iterator
const HybridIterator< TId, TValue > const_iterator
Definition: hybrid.hpp:132
osmium::index::multimap::HybridIterator::element_type
std::pair< TId, TValue > element_type
Definition: hybrid.hpp:56
sparse_mem_array.hpp
osmium::index::multimap::Hybrid::size
size_t size() const final
Definition: hybrid.hpp:141