@Override
public void consume(ChannelMessage<ClientMessage, T> queued) {
Optional<CountedSchedule> current =
getScheduleCount(queued.metadata().get()).map(count -> new CountedSchedule(now(), count));
consumer.consume(message(current, queued.data()));
}
@Override
public void send(ChannelMessage<CountedSchedule, T> msg) throws Exception {
requireNonNull(msg, "msg");
CountedSchedule metadata = msg.metadata().orElse(CountedSchedule.first());
channel.send(
message(
durableMessage()
.andThen(setScheduledDeliveryTime(metadata.when()))
.andThen(setScheduleCount(metadata.count())),
msg.data()));
}