+ })
+ .switchIfEmpty(
+ Mono
+ .defer(() -> service.persistMessage(key, LocalDateTime.now(clock), text))
+ .doOnNext(m ->
+ {
+ Sinks.EmitResult result = sink.tryEmitNext(m);
+ if (result.isFailure())
+ {
+ log.warn("Emitting of message failed with {} for {}", result.name(), m);
+ }
+ }));