1 #ifndef OSMIUM_INDEX_MULTIMAP_SPARSE_MEM_MULTIMAP_HPP 2 #define OSMIUM_INDEX_MULTIMAP_SPARSE_MEM_MULTIMAP_HPP 43 #include <osmium/io/detail/read_write.hpp> 55 template <
typename TId,
typename TValue>
62 static constexpr
size_t element_size =
sizeof(TId) +
sizeof(TValue) +
sizeof(
void*) * 4;
67 typedef typename collection_type::iterator
iterator;
84 m_elements.emplace(
id, value);
87 void set(
const TId id,
const TValue value)
final {
88 m_elements.emplace(
id, value);
91 std::pair<iterator, iterator>
get_all(
const TId
id) {
92 return m_elements.equal_range(
id);
95 std::pair<const_iterator, const_iterator>
get_all(
const TId
id)
const {
96 return m_elements.equal_range(
id);
99 void remove(
const TId id,
const TValue value) {
100 std::pair<iterator, iterator> r =
get_all(
id);
101 for (iterator it = r.first; it != r.second; ++it) {
102 if (it->second == value) {
103 m_elements.erase(it);
110 return m_elements.begin();
114 return m_elements.end();
118 return m_elements.size();
122 return element_size * m_elements.size();
134 std::vector<element_type> v;
135 v.reserve(m_elements.size());
136 for (
const auto& element : m_elements) {
137 v.emplace_back(element.first, element.second);
139 std::sort(v.begin(), v.end());
140 osmium::io::detail::reliable_write(fd, reinterpret_cast<const char*>(v.data()),
sizeof(element_type) * v.size());
151 #endif // OSMIUM_INDEX_MULTIMAP_SPARSE_MEM_MULTIMAP_HPP void unsorted_set(const TId id, const TValue value)
Definition: sparse_mem_multimap.hpp:83
iterator end()
Definition: sparse_mem_multimap.hpp:113
collection_type m_elements
Definition: sparse_mem_multimap.hpp:75
~SparseMemMultimap() noexcept final=default
std::pair< iterator, iterator > get_all(const TId id)
Definition: sparse_mem_multimap.hpp:91
void consolidate()
Definition: sparse_mem_multimap.hpp:129
void dump_as_list(const int fd) final
Definition: sparse_mem_multimap.hpp:133
Namespace for everything in the Osmium library.
Definition: assembler.hpp:59
SparseMemMultimap()=default
collection_type::iterator iterator
Definition: sparse_mem_multimap.hpp:67
Definition: sparse_mem_multimap.hpp:56
void clear() final
Definition: sparse_mem_multimap.hpp:125
collection_type::const_iterator const_iterator
Definition: sparse_mem_multimap.hpp:68
Definition: multimap.hpp:51
size_t used_memory() const final
Definition: sparse_mem_multimap.hpp:121
size_t size() const final
Definition: sparse_mem_multimap.hpp:117
iterator begin()
Definition: sparse_mem_multimap.hpp:109
std::pair< TId, TValue > element_type
Definition: sparse_mem_multimap.hpp:71
collection_type::value_type value_type
Definition: sparse_mem_multimap.hpp:69
static constexpr size_t element_size
Definition: sparse_mem_multimap.hpp:62
std::pair< const_iterator, const_iterator > get_all(const TId id) const
Definition: sparse_mem_multimap.hpp:95
std::multimap< const TId, TValue > collection_type
Definition: sparse_mem_multimap.hpp:66