(streamingDemo: StringAdd).self
(streamingDemo: StringFormat).self
(streamingDemo: ArrowAssoc[StreamingDemo]).x
(Since version 2.10.0) Use leftOfArrow
instead
(streamingDemo: Ensuring[StreamingDemo]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Creates the
org.apache.spark.streaming.StreamingContext
then write async to the stream. This is the base for all streaming demos.