osrm-backend/src/partition/graph_view.cpp

54 lines
1.4 KiB
C++

#include "partition/graph_view.hpp"
#include <iostream>
#include <iterator>
#include <boost/assert.hpp>
namespace osrm
{
namespace partition
{
GraphView::GraphView(const BisectionGraph &bisection_graph_)
: GraphView(bisection_graph_, bisection_graph_.CBegin(), bisection_graph_.CEnd())
{
}
GraphView::GraphView(const BisectionGraph &bisection_graph_,
const BisectionGraph::ConstNodeIterator begin_,
const BisectionGraph::ConstNodeIterator end_)
: bisection_graph(bisection_graph_), begin(begin_), end(end_)
{
}
GraphView::GraphView(const GraphView &other_view,
const BisectionGraph::ConstNodeIterator begin_,
const BisectionGraph::ConstNodeIterator end_)
: GraphView(other_view.bisection_graph, begin_, end_)
{
}
std::size_t GraphView::NumberOfNodes() const { return std::distance(begin, end); }
NodeID GraphView::GetID(const NodeT &node) const
{
const auto node_id = static_cast<NodeID>(&node - &(*begin));
BOOST_ASSERT(node_id < NumberOfNodes());
return node_id;
}
BisectionGraph::ConstNodeIterator GraphView::Begin() const { return begin; }
BisectionGraph::ConstNodeIterator GraphView::End() const { return end; }
const GraphView::NodeT &GraphView::Node(const NodeID nid) const { return *(begin + nid); }
const GraphView::EdgeT &GraphView::Edge(const EdgeID eid) const
{
return bisection_graph.Edge(eid);
}
} // namespace partition
} // namespace osrm