package biz.paluch.redis.extensibility;
import java.util.*;
import com.lambdaworks.redis.*;
public class LettuceGeoDemo {
public static void main(String[] args) {
RedisClient redisClient = RedisClient.create(RedisURI.Builder.redis("localhost", 6379).build());
RedisConnection<String, String> redis = (RedisConnection<String, String>) redisClient.connect();
String key = "my-geo-set";
redis.geoadd(key, 8.6638775, 49.5282537, "Weinheim", 8.3796281, 48.9978127, "Office tower", 8.665351, 49.553302,
"Train station");
Set<String> georadius = redis.georadius(key, 8.6582861, 49.5285695, 5, GeoArgs.Unit.km);
System.out.println("Geo Radius: " + georadius);
// georadius contains "Weinheim" and "Train station"
Double distance = redis.geodist(key, "Weinheim", "Train station", GeoArgs.Unit.km);
System.out.println("Distance: " + distance + " km");
// distance ≈ 2.78km
GeoArgs geoArgs = new GeoArgs().withHash().withCoordinates().withDistance().withCount(2).asc();
List<GeoWithin<String>> georadiusWithArgs = redis.georadius(key, 8.665351, 49.5285695, 5, GeoArgs.Unit.km, geoArgs);
// georadiusWithArgs contains "Weinheim" and "Train station"
// ordered descending by distance and containing distance/coordinates
GeoWithin<String> weinheim = georadiusWithArgs.get(0);
System.out.println("Member: " + weinheim.getMember());
System.out.println("Geo hash: " + weinheim.getGeohash());
System.out.println("Distance: " + weinheim.getDistance());
System.out.println("Coordinates: " + weinheim.getCoordinates().getX() + "/" + weinheim.getCoordinates().getY());
List<GeoCoordinates> geopos = redis.geopos(key, "Weinheim", "Train station");
GeoCoordinates weinheimGeopos = geopos.get(0);
System.out.println("Coordinates: " + weinheimGeopos.getX() + "/" + weinheimGeopos.getY());
redis.close();
redisClient.shutdown();
}
}