Observing a Realm object?

[winstondu]

Hey @arturdev

This seems like an amazing library. However, one useful paradigm we use (with RxRealm) is the ability to observe changes on an object in the realm db and register a callback.

This function is the public func observe<T>(on queue: DispatchQueue? = nil, _ block: @escaping (RealmSwift.ObjectChange<T>) -> Void) -> RealmSwift.NotificationToken where T : RealmSwift.Object.

Does the fact that the objects are no longer "live" make this no longer possible?

[arturdev]

Hi @winstondu. Unfortunately yes. The observing which you're looking for is done using ObjectiveC's KVO mechanism... And as you might already know, Swift native types don't support KVO

[winstondu]

I see. But in your library, any write to the Realmable object will still be enclosed in a Realm.write no?

Is there no way to know whether the Realmable is updated (even if we don't know which properties are)?

[arturdev]

Yes, that is possible, but as you already mentioned, you will not know which property exactly was changed.

[winstondu]

@arturdev , what would be the function when using this library to make change observations?