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Just return NoSegment in map matching if all candidates are empty

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This commit is contained in:
Patrick Niklaus 2016-03-08 22:32:36 +01:00
parent 09a9d6c417
commit 1af59e874d
1 changed files with 11 additions and 4 deletions
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15
src/engine/plugins/match.cpp
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@ -47,6 +47,10 @@ void filterCandidates(const std::vector<util::Coordinate> &coordinates,
} }
auto &candidates = candidates_lists[current_coordinate]; auto &candidates = candidates_lists[current_coordinate];
if (candidates.empty())
{
continue;
}
// sort by forward id, then by reverse id and then by distance // sort by forward id, then by reverse id and then by distance
std::sort( std::sort(
@ -144,11 +148,14 @@ Status MatchPlugin::HandleRequest(const api::MatchParameters &parameters,
auto candidates_lists = GetPhantomNodesInRange(parameters, search_radiuses); auto candidates_lists = GetPhantomNodesInRange(parameters, search_radiuses);
filterCandidates(parameters.coordinates, candidates_lists); filterCandidates(parameters.coordinates, candidates_lists);
if (candidates_lists.size() != parameters.coordinates.size()) if (std::all_of(candidates_lists.begin(), candidates_lists.end(),
[](const std::vector<PhantomNodeWithDistance> &candidates)
{
return candidates.empty();
}))
{ {
BOOST_ASSERT(candidates_lists.size() < parameters.coordinates.size()); return Error("NoSegment",
return Error("NoSegment", std::string("Could not find a matching segment for coordinate ") + std::string("Could not find a matching segment for any coordinate."),
std::to_string(candidates_lists.size()),
json_result); json_result);
} }