지리공간적 검색

// Add your MongoCollection setup code here
Point point = new Point(new Position(-74.0065, 40.7085));
Document theater = new Document("theaterId", 1203)
		.append("location", new Document("geo", point));
InsertOneResult result = collection.insertOne(theater);

// <MongoCollection setup code here>
collection.createIndex(Indexes.geo2dsphere("location.geo"));

// Add your MongoCollection setup code here
Document theater = new Document("theaterId", 1204)
		.append("coordinates", Arrays.asList(-73.9862, 40.7311));
InsertOneResult result = collection.insertOne(theater);

// <MongoCollection setup code here>
collection.createIndex(Indexes.geo2d("coordinates"));

// Add your MongoClient setup code here
MongoDatabase database = mongoClient.getDatabase("sample_mflix");
MongoCollection<Document> collection = database.getCollection("theaters");
Point centralPark = new Point(new Position(-73.9667, 40.78));
// Creates a query that matches all locations between 5,000 and 10,000 meters from the specified Point
Bson query = near("location.geo", centralPark, 10000.0, 5000.0);
// Creates a projection to include only the "location.address.city" field in the results
Bson projection = fields(include("location.address.city"), excludeId());
// Prints the projected field of the results from the geospatial query as JSON
collection.find(query)
        .projection(projection)
        .forEach(doc -> System.out.println(doc.toJson()));

// Add your MongoCollection setup code here
// Creates a set of points that defines the bounds of a geospatial shape
Polygon longIslandTriangle = new Polygon(Arrays.asList(new Position(-72, 40),
        new Position(-74, 41),
        new Position(-72, 39),
        new Position(-72, 40)));
// Creates a projection to include only the "location.address.city" field in the results
Bson projection = fields(include("location.address.city"), excludeId());
// Creates a query that matches documents containing "location.geo" values within the specified bounds
Bson geoWithinComparison = geoWithin("location.geo", longIslandTriangle);
// Prints the projected field of the results from the geolocation query as JSON
collection.find(geoWithinComparison)
        .projection(projection)
        .forEach(doc -> System.out.println(doc.toJson()));