private void ChildRemoved(IDocumentSnapshot document)
{
var key = document.Id;
var info = _locationInfos[key];
if (info == null)
{
return;
}
lock (_lock)
{
var location = GeoFire.GetLocationValue(document);
var hash = (location != null) ? new GeoHash(location) : null;
if (hash != null && GeoHashQueriesContainGeoHash(hash))
{
return;
}
_locationInfos.Remove(key);
if (!info.InGeoQuery)
{
return;
}
OnDocumentExited?.Invoke(this, new DocumentEventArgs <T>(info.Snapshot.ToObject <T>()));
}
}
public GeoQuery(GeoFire geoFire, GeoPoint center, double radius)
{
_geoFire = geoFire;
_center = center;
_radius = radius * KilometerToMeter; // Convert from kilometers to meters.
SetupQueries();
}
private void ChildChanged(IDocumentSnapshot document)
{
var location = GeoFire.GetLocationValue(document);
if (location != null)
{
UpdateLocationInfo(document, location);
}
else
{
Debug.Assert(false, "Got Datasnapshot without location with key " + document.Id);
}
}
