Native script sorting geoPoints

Elastic Stack Elasticsearch
1

Hi i have an nested object

"root" {
....
"userLocations": {
"type" : "nested",
"include_in_parent" : true,
"properties": {
"id": {
"type": "integer"
},
"location": {
"properties": {
"city": {
"type": "string"
},
"zipCode": {
"type": "string"
},
"countryIsoCode": {
"type": "string"
},
"longitude": {
"type": "float"
},
"latitude": {
"type": "float"
},
"geoPoint" : {
"type": "geo_point"
}
}
}
}
}

i have to one root document n userLocations as nested objects.
I can serach with an native script for the closest distance to an point.
But i can not filter the userLocations.id for the closest distance.
Because userLocations.id is sorted by numeric.

Here is my script:

/**

  • Created by rdeter on 18.12.14.
    */
    public class NestedLocation extends AbstractLongSearchScript {
    double distance = 100000;
    double lat;
    double lon;
    long id;

    double tmpDistance;

    public NestedLocation(@Nullable Map<String,Object> params) {
    lat = ((Double)params.get("lat")).doubleValue();
    lon = ((Double)params.get("lon")).doubleValue();
    }

    @Override
    public long runAsLong() {

     List<GeoPoint> list          = ((ScriptDocValues.GeoPoints) doc().get("userLocations.location.geoPoint")).getValues();
 List<Long> userLocationIds = ((ScriptDocValues.Longs) doc().get("userLocations.id")).getValues();

 int z = 0;

 for (GeoPoint geoPoint : list) {
     tmpDistance = GeoDistance.PLANE.calculate(geoPoint.getLat(), geoPoint.getLon(), lat, lon, DistanceUnit.KILOMETERS);
     if (tmpDistance < distance ) {
         distance = tmpDistance;
         id = userLocationIds.get(z);
     }
     z++;
 }

 return id;

    }
    }

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