osrm-backend/include/customizer/edge_based_graph.hpp
2024-06-20 21:44:28 +02:00

130 lines
5.1 KiB
C++

#ifndef OSRM_CUSTOMIZE_EDGE_BASED_GRAPH_HPP
#define OSRM_CUSTOMIZE_EDGE_BASED_GRAPH_HPP
#include "extractor/edge_based_edge.hpp"
#include "partitioner/edge_based_graph.hpp"
#include "partitioner/multi_level_graph.hpp"
#include "util/static_graph.hpp"
#include "util/typedefs.hpp"
#include "storage/shared_memory_ownership.hpp"
#include <filesystem>
namespace osrm::customizer
{
struct EdgeBasedGraphEdgeData
{
NodeID turn_id; // ID of the edge based node (node based edge)
};
template <typename EdgeDataT, storage::Ownership Ownership> class MultiLevelGraph;
namespace serialization
{
template <typename EdgeDataT, storage::Ownership Ownership>
void read(storage::tar::FileReader &reader,
const std::string &name,
MultiLevelGraph<EdgeDataT, Ownership> &graph);
template <typename EdgeDataT, storage::Ownership Ownership>
void write(storage::tar::FileWriter &writer,
const std::string &name,
const MultiLevelGraph<EdgeDataT, Ownership> &graph);
} // namespace serialization
template <typename EdgeDataT, storage::Ownership Ownership>
class MultiLevelGraph : public partitioner::MultiLevelGraph<EdgeDataT, Ownership>
{
private:
using SuperT = partitioner::MultiLevelGraph<EdgeDataT, Ownership>;
using PartitionerGraphT = partitioner::MultiLevelGraph<partitioner::EdgeBasedGraphEdgeData,
storage::Ownership::Container>;
template <typename T> using Vector = util::ViewOrVector<T, Ownership>;
public:
using NodeArrayEntry = typename SuperT::NodeArrayEntry;
using EdgeArrayEntry = typename SuperT::EdgeArrayEntry;
using EdgeOffset = typename SuperT::EdgeOffset;
MultiLevelGraph() = default;
MultiLevelGraph(MultiLevelGraph &&) = default;
MultiLevelGraph(const MultiLevelGraph &) = default;
MultiLevelGraph &operator=(MultiLevelGraph &&) = default;
MultiLevelGraph &operator=(const MultiLevelGraph &) = default;
MultiLevelGraph(PartitionerGraphT &&graph,
Vector<EdgeWeight> node_weights_,
Vector<EdgeDuration> node_durations_,
Vector<EdgeDistance> node_distances_)
: node_weights(std::move(node_weights_)), node_durations(std::move(node_durations_)),
node_distances(std::move(node_distances_))
{
util::ViewOrVector<PartitionerGraphT::EdgeArrayEntry, storage::Ownership::Container>
original_edge_array;
std::tie(SuperT::node_array,
original_edge_array,
SuperT::node_to_edge_offset,
SuperT::connectivity_checksum) = std::move(graph).data();
SuperT::edge_array.reserve(original_edge_array.size());
for (const auto &edge : original_edge_array)
{
SuperT::edge_array.push_back({edge.target, {edge.data.turn_id}});
is_forward_edge.push_back(edge.data.forward);
is_backward_edge.push_back(edge.data.backward);
}
}
MultiLevelGraph(Vector<NodeArrayEntry> node_array_,
Vector<EdgeArrayEntry> edge_array_,
Vector<EdgeOffset> node_to_edge_offset_,
Vector<EdgeWeight> node_weights_,
Vector<EdgeDuration> node_durations_,
Vector<EdgeDistance> node_distances_,
Vector<bool> is_forward_edge_,
Vector<bool> is_backward_edge_)
: SuperT(std::move(node_array_), std::move(edge_array_), std::move(node_to_edge_offset_)),
node_weights(std::move(node_weights_)), node_durations(std::move(node_durations_)),
node_distances(std::move(node_distances_)), is_forward_edge(is_forward_edge_),
is_backward_edge(is_backward_edge_)
{
}
EdgeWeight GetNodeWeight(NodeID node) const { return node_weights[node]; }
EdgeDuration GetNodeDuration(NodeID node) const { return node_durations[node]; }
EdgeDistance GetNodeDistance(NodeID node) const { return node_distances[node]; }
bool IsForwardEdge(EdgeID edge) const { return is_forward_edge[edge]; }
bool IsBackwardEdge(EdgeID edge) const { return is_backward_edge[edge]; }
friend void
serialization::read<EdgeDataT, Ownership>(storage::tar::FileReader &reader,
const std::string &name,
MultiLevelGraph<EdgeDataT, Ownership> &graph);
friend void
serialization::write<EdgeDataT, Ownership>(storage::tar::FileWriter &writer,
const std::string &name,
const MultiLevelGraph<EdgeDataT, Ownership> &graph);
protected:
Vector<EdgeWeight> node_weights;
Vector<EdgeDuration> node_durations;
Vector<EdgeDistance> node_distances;
Vector<bool> is_forward_edge;
Vector<bool> is_backward_edge;
};
using MultiLevelEdgeBasedGraph =
MultiLevelGraph<EdgeBasedGraphEdgeData, storage::Ownership::Container>;
using MultiLevelEdgeBasedGraphView =
MultiLevelGraph<EdgeBasedGraphEdgeData, storage::Ownership::View>;
} // namespace osrm::customizer
#endif