224 lines
8.3 KiB
C++
224 lines
8.3 KiB
C++
#ifndef OSRM_ENGINE_ROUTING_ALGORITHM_HPP
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#define OSRM_ENGINE_ROUTING_ALGORITHM_HPP
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#include "engine/algorithm.hpp"
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#include "engine/internal_route_result.hpp"
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#include "engine/phantom_node.hpp"
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#include "engine/routing_algorithms/alternative_path.hpp"
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#include "engine/routing_algorithms/direct_shortest_path.hpp"
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#include "engine/routing_algorithms/many_to_many.hpp"
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#include "engine/routing_algorithms/map_matching.hpp"
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#include "engine/routing_algorithms/shortest_path.hpp"
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#include "engine/routing_algorithms/tile_turns.hpp"
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namespace osrm
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{
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namespace engine
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{
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class RoutingAlgorithmsInterface
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{
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public:
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virtual InternalManyRoutesResult
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AlternativePathSearch(const PhantomNodes &phantom_node_pair,
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unsigned number_of_alternatives) const = 0;
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virtual InternalRouteResult
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ShortestPathSearch(const std::vector<PhantomNodes> &phantom_node_pair,
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const boost::optional<bool> continue_straight_at_waypoint) const = 0;
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virtual InternalRouteResult
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DirectShortestPathSearch(const PhantomNodes &phantom_node_pair) const = 0;
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virtual std::vector<EdgeDuration>
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ManyToManySearch(const std::vector<PhantomNode> &phantom_nodes,
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const std::vector<std::size_t> &source_indices,
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const std::vector<std::size_t> &target_indices) const = 0;
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virtual routing_algorithms::SubMatchingList
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MapMatching(const routing_algorithms::CandidateLists &candidates_list,
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const std::vector<util::Coordinate> &trace_coordinates,
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const std::vector<unsigned> &trace_timestamps,
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const std::vector<boost::optional<double>> &trace_gps_precision,
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const bool allow_splitting) const = 0;
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virtual std::vector<routing_algorithms::TurnData>
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GetTileTurns(const std::vector<datafacade::BaseDataFacade::RTreeLeaf> &edges,
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const std::vector<std::size_t> &sorted_edge_indexes) const = 0;
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virtual const DataFacadeBase &GetFacade() const = 0;
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virtual bool HasAlternativePathSearch() const = 0;
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virtual bool HasShortestPathSearch() const = 0;
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virtual bool HasDirectShortestPathSearch() const = 0;
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virtual bool HasMapMatching() const = 0;
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virtual bool HasManyToManySearch() const = 0;
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virtual bool HasGetTileTurns() const = 0;
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virtual bool HasExcludeFlags() const = 0;
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virtual bool IsValid() const = 0;
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};
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// Short-lived object passed to each plugin in request to wrap routing algorithms
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template <typename Algorithm> class RoutingAlgorithms final : public RoutingAlgorithmsInterface
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{
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public:
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RoutingAlgorithms(SearchEngineData<Algorithm> &heaps,
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std::shared_ptr<const DataFacade<Algorithm>> facade)
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: heaps(heaps), facade(facade)
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{
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}
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virtual ~RoutingAlgorithms() = default;
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InternalManyRoutesResult
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AlternativePathSearch(const PhantomNodes &phantom_node_pair,
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unsigned number_of_alternatives) const final override;
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InternalRouteResult ShortestPathSearch(
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const std::vector<PhantomNodes> &phantom_node_pair,
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const boost::optional<bool> continue_straight_at_waypoint) const final override;
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InternalRouteResult
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DirectShortestPathSearch(const PhantomNodes &phantom_nodes) const final override;
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std::vector<EdgeDuration>
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ManyToManySearch(const std::vector<PhantomNode> &phantom_nodes,
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const std::vector<std::size_t> &source_indices,
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const std::vector<std::size_t> &target_indices) const final override;
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routing_algorithms::SubMatchingList
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MapMatching(const routing_algorithms::CandidateLists &candidates_list,
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const std::vector<util::Coordinate> &trace_coordinates,
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const std::vector<unsigned> &trace_timestamps,
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const std::vector<boost::optional<double>> &trace_gps_precision,
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const bool allow_splitting) const final override;
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std::vector<routing_algorithms::TurnData>
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GetTileTurns(const std::vector<datafacade::BaseDataFacade::RTreeLeaf> &edges,
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const std::vector<std::size_t> &sorted_edge_indexes) const final override;
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const DataFacadeBase &GetFacade() const final override { return *facade; }
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bool HasAlternativePathSearch() const final override
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{
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return routing_algorithms::HasAlternativePathSearch<Algorithm>::value;
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}
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bool HasShortestPathSearch() const final override
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{
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return routing_algorithms::HasShortestPathSearch<Algorithm>::value;
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}
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bool HasDirectShortestPathSearch() const final override
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{
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return routing_algorithms::HasDirectShortestPathSearch<Algorithm>::value;
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}
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bool HasMapMatching() const final override
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{
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return routing_algorithms::HasMapMatching<Algorithm>::value;
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}
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bool HasManyToManySearch() const final override
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{
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return routing_algorithms::HasManyToManySearch<Algorithm>::value;
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}
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bool HasGetTileTurns() const final override
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{
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return routing_algorithms::HasGetTileTurns<Algorithm>::value;
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}
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bool HasExcludeFlags() const final override
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{
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return routing_algorithms::HasExcludeFlags<Algorithm>::value;
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}
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bool IsValid() const final override { return static_cast<bool>(facade); }
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private:
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SearchEngineData<Algorithm> &heaps;
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std::shared_ptr<const DataFacade<Algorithm>> facade;
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};
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template <typename Algorithm>
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InternalManyRoutesResult
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RoutingAlgorithms<Algorithm>::AlternativePathSearch(const PhantomNodes &phantom_node_pair,
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unsigned number_of_alternatives) const
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{
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return routing_algorithms::alternativePathSearch(
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heaps, *facade, phantom_node_pair, number_of_alternatives);
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}
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template <typename Algorithm>
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InternalRouteResult RoutingAlgorithms<Algorithm>::ShortestPathSearch(
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const std::vector<PhantomNodes> &phantom_node_pair,
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const boost::optional<bool> continue_straight_at_waypoint) const
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{
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return routing_algorithms::shortestPathSearch(
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heaps, *facade, phantom_node_pair, continue_straight_at_waypoint);
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}
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template <typename Algorithm>
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InternalRouteResult
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RoutingAlgorithms<Algorithm>::DirectShortestPathSearch(const PhantomNodes &phantom_nodes) const
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{
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return routing_algorithms::directShortestPathSearch(heaps, *facade, phantom_nodes);
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}
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template <typename Algorithm>
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inline routing_algorithms::SubMatchingList RoutingAlgorithms<Algorithm>::MapMatching(
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const routing_algorithms::CandidateLists &candidates_list,
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const std::vector<util::Coordinate> &trace_coordinates,
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const std::vector<unsigned> &trace_timestamps,
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const std::vector<boost::optional<double>> &trace_gps_precision,
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const bool allow_splitting) const
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{
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return routing_algorithms::mapMatching(heaps,
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*facade,
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candidates_list,
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trace_coordinates,
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trace_timestamps,
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trace_gps_precision,
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allow_splitting);
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}
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template <typename Algorithm>
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std::vector<EdgeDuration> RoutingAlgorithms<Algorithm>::ManyToManySearch(
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const std::vector<PhantomNode> &phantom_nodes,
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const std::vector<std::size_t> &_source_indices,
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const std::vector<std::size_t> &_target_indices) const
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{
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BOOST_ASSERT(!phantom_nodes.empty());
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auto source_indices = _source_indices;
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auto target_indices = _target_indices;
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if (source_indices.empty())
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{
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source_indices.resize(phantom_nodes.size());
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std::iota(source_indices.begin(), source_indices.end(), 0);
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}
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if (target_indices.empty())
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{
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target_indices.resize(phantom_nodes.size());
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std::iota(target_indices.begin(), target_indices.end(), 0);
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}
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return routing_algorithms::manyToManySearch(
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heaps, *facade, phantom_nodes, std::move(source_indices), std::move(target_indices));
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}
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template <typename Algorithm>
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inline std::vector<routing_algorithms::TurnData> RoutingAlgorithms<Algorithm>::GetTileTurns(
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const std::vector<datafacade::BaseDataFacade::RTreeLeaf> &edges,
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const std::vector<std::size_t> &sorted_edge_indexes) const
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{
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return routing_algorithms::getTileTurns(*facade, edges, sorted_edge_indexes);
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}
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} // ns engine
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} // ns osrm
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#endif
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