fromCompletionStage
Send the single value of the CompletionStage
when it completes and there is demand.
Description
Send the single value of the CompletionStage
when it completes and there is demand. If the CompletionStage
completes with null
stage is completed without emitting a value. If the CompletionStage
fails the stream is failed with that exception.
emits the future completes
completes after the future has completed