public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
GeoDistanceFilter term = (GeoDistanceFilter)value;
if (term != null)
{
writer.WriteStartObject();
writer.WritePropertyName("geo_distance");
writer.WriteStartObject();
if (!string.IsNullOrEmpty(term.Distance))
{
writer.WritePropertyName("distance");
writer.WriteValue(term.Distance);
if (!string.IsNullOrEmpty(term.DistanceType))
{
writer.WritePropertyName("distance_type");
writer.WriteValue(term.DistanceType);
}
if (!string.IsNullOrEmpty(term.Field))
{
writer.WritePropertyName(term.Field);
writer.WriteValue(term.Location);
}
}
writer.WriteEndObject();
writer.WriteEndObject();
}
}
public void TestGeoDistanceFilter()
{
var geoDistanceFilter = new GeoDistanceFilter("pin.location", "40,-70", "200km");
var result = client.Search(index, "type", new FilteredQuery(new MatchAllQuery(), geoDistanceFilter));
}
