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multimap.hpp
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#ifndef OSMIUM_INDEX_MULTIMAP_HPP
#define OSMIUM_INDEX_MULTIMAP_HPP
/*
This file is part of Osmium (https://osmcode.org/libosmium).
Copyright 2013-2026 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 <stdexcept>
#include <type_traits>
#include <utility>
namespace osmium {
namespace index {
namespace multimap {
template <typename TId, typename TValue>
class Multimap {
using element_type = typename std::pair<TId, TValue>;
protected:
Multimap(Multimap&&) noexcept = default;
Multimap& operator=(Multimap&&) noexcept = default;
public:
using key_type = TId;
using value_type = TValue;
Multimap() = default;
Multimap(const Multimap&) = delete;
Multimap& operator=(const Multimap&) = delete;
virtual ~Multimap() noexcept = default;
virtual void set(const TId id, const TValue value) = 0;
using iterator = element_type*;
// virtual std::pair<iterator, iterator> get_all(const TId id) const = 0;
virtual size_t size() const = 0;
virtual size_t used_memory() const = 0;
virtual void clear() = 0;
virtual void sort() {
// default implementation is empty
}
virtual void dump_as_list(const int /*fd*/) {
throw std::runtime_error{"can't dump as list"};
}
}; // class Multimap
} // namespace multimap
} // namespace index
} // namespace osmium
#endif // OSMIUM_INDEX_MULTIMAP_HPP
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::key_type
unsigned_object_id_type key_type
Definition multimap.hpp:64
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::used_memory
virtual size_t used_memory() const=0
osmium::index::multimap::Multimap::dump_as_list
virtual void dump_as_list(const int)
Definition multimap.hpp:114
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::value_type
unsigned_object_id_type value_type
Definition multimap.hpp:67
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::clear
virtual void clear()=0
osmium::index::multimap::Multimap::Multimap
Multimap(Multimap &&) noexcept=default
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::set
virtual void set(const unsigned_object_id_type id, const unsigned_object_id_type value)=0
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::sort
virtual void sort()
Definition multimap.hpp:110
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::size
virtual size_t size() const=0
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::element_type
typename std::pair< unsigned_object_id_type, unsigned_object_id_type > element_type
Definition multimap.hpp:54
osmium::index::multimap::Multimap< unsigned_object_id_type, unsigned_object_id_type >::iterator
element_type * iterator
Definition multimap.hpp:79
osmium::index::multimap
Key-value containers with multiple values for an integer key.
Definition multimap.hpp:48
osmium::index
Indexing of OSM data, Locations, etc.
Definition id_set.hpp:51
osmium
Namespace for everything in the Osmium library.
Definition assembler.hpp:53