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use incremental NN query for Nearest plugin

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This commit is contained in:
Dennis Luxen 2014-06-23 17:33:55 +02:00
parent 7b22f08869
commit a24dd3dee2
1 changed files with 14 additions and 14 deletions
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28
Plugins/NearestPlugin.h
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@ -31,7 +31,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "BasePlugin.h"
#include "../DataStructures/JSONContainer.h"
#include "../DataStructures/PhantomNodes.h"
#include "../Util/StringUtil.h"
#include <string>
@ -42,28 +41,27 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
template <class DataFacadeT> class NearestPlugin : public BasePlugin
{
public:
explicit NearestPlugin(DataFacadeT *facade) : facade(facade), descriptor_string("nearest")
{
}
explicit NearestPlugin(DataFacadeT *facade) : facade(facade), descriptor_string("nearest") {}
const std::string GetDescriptor() const { return descriptor_string; }
void HandleRequest(const RouteParameters &route_parameters, http::Reply &reply)
{
// check number of parameters
if (route_parameters.coordinates.empty() ||
!route_parameters.coordinates.front().isValid())
if (route_parameters.coordinates.empty() || !route_parameters.coordinates.front().isValid())
{
reply = http::Reply::StockReply(http::Reply::badRequest);
return;
}
PhantomNode phantom_node;
facade->FindPhantomNodeForCoordinate(
route_parameters.coordinates.front(), phantom_node, route_parameters.zoom_level);
std::vector<PhantomNode> phantom_node_vector;
facade->IncrementalFindPhantomNodeForCoordinate(route_parameters.coordinates.front(),
phantom_node_vector,
route_parameters.zoom_level,
1);
JSON::Object json_result;
if (!phantom_node.isValid())
if (phantom_node_vector.empty() || !phantom_node_vector.front().isValid())
{
json_result.values["status"] = 207;
}
@ -71,12 +69,14 @@ template <class DataFacadeT> class NearestPlugin : public BasePlugin
{
reply.status = http::Reply::ok;
json_result.values["status"] = 0;
JSON::Array json_coordinate;
json_coordinate.values.push_back(phantom_node.location.lat/COORDINATE_PRECISION);
json_coordinate.values.push_back(phantom_node.location.lon/COORDINATE_PRECISION);
JSON::Array json_coordinate;
json_coordinate.values.push_back(phantom_node_vector.front().location.lat /
COORDINATE_PRECISION);
json_coordinate.values.push_back(phantom_node_vector.front().location.lon /
COORDINATE_PRECISION);
json_result.values["mapped_coordinate"] = json_coordinate;
std::string temp_string;
facade->GetName(phantom_node.name_id, temp_string);
facade->GetName(phantom_node_vector.front().name_id, temp_string);
json_result.values["name"] = temp_string;
}