public interface SinkQueue<T>
Modifier and Type | Method and Description |
---|---|
scala.concurrent.Future<scala.Option<T>> |
pull()
Method pulls elements from stream and returns future that:
- fails if stream is failed
- completes with None in case if stream is completed
- completes with
Some(element) in case next element is available from stream. |
scala.concurrent.Future<scala.Option<T>> pull()
Some(element)
in case next element is available from stream.