SpringData MongoDB @GeoSpatialIndexed Anotasyonu

Giriş

Şu satırı dahil ederiz

import org.springframework.data.mongodb.core.index.GeoSpatialIndexed;

Örnek

Şöyle yaparız

import org.springframework.data.mongodb.core.index.GeoSpatialIndexed;
import org.springframework.data.mongodb.core.mapping.Document;
@Document
public class User {
    
  private String id;
  private String name;
  @GeoSpatialIndexed(type = GeoSpatialIndexType.GEO_2DSPHERE)
  private Location location;
  private List<String> friendIds;
  // getters and setters omitted for brevity
}
@Document
public class Place {
  private String id;
  private String name;
  @GeoSpatialIndexed(type = GeoSpatialIndexType.GEO_2DSPHERE)
  private Location location;
    
  // getters and setters omitted for brevity
}
public class Location {
  private double x;
  private double y;
    
  // getters and setters omitted for brevity
}

Şöyle yaparız

public interface UserRepository extends MongoRepository<User, String> {}

public interface PlaceRepository extends MongoRepository<Place, String> {}

@Service
public class UserService {
    
  @Autowired
  private UserRepository userRepository;
  public List<User> findNearbyFriends(String userId, Distance distance) {
    User user = userRepository.findById(userId)
      .orElseThrow(() -> new RuntimeException("User not found"));

    Point userLocation = new Point(user.getLocation().getX(), 
                                   user.getLocation().getY());
    return userRepository.findByLocationNear(userLocation, distance);
  }
}

@Service
public class PlaceService {
    
  @Autowired
  private PlaceRepository placeRepository;
  
  public List<Place> findNearbyPlaces(String userId, Distance distance) {
    User user = userRepository.findById(userId)
      .orElseThrow(() -> new RuntimeException("User not found"));

    Point userLocation = new Point(user.getLocation().getX(), 
                                   user.getLocation().getY());
    return placeRepository.findByLocationNear(userLocation, distance);
  }
}