---made some changes, still with mapAsync, in the apply() the input is
Source not Message, how can i get the message from it, i cannot find
anything.
TopicPartition par = new TopicPartition("test", 3);
Source<Tuple2<TopicPartition,
akka.stream.scaladsl.Source<CommittableMessage<SpecificRecord,
SpecificRecord>, NotUsed>>, Control> s
= Consumer.committablePartitionedSource(consumerSettings,
Subscriptions.topics("test")).asJava();
s.mapAsync(3, new
Function<Tuple2<TopicPartition,akka.stream.scaladsl.Source<CommittableMessage<SpecificRecord,SpecificRecord>,NotUsed>>,
CompletionStage<ProducerMessage.Message<SpecificRecord,SpecificRecord,
ConsumerMessage.Committable>>>() {
public CompletionStage<Message<SpecificRecord, SpecificRecord,
Committable>> apply(
Tuple2<TopicPartition,
akka.stream.scaladsl.Source<CommittableMessage<SpecificRecord,
SpecificRecord>, NotUsed>> param)
throws Exception {
System.out.println("thread == " + Thread.currentThread().getName() + " part
is ----------------" + param._1);
System.out.println("thread == " + Thread.currentThread().getName() + "
value is ----------------" + param._2.asJava());
//System.out.println("thread == " + Thread.currentThread().getName() +
"msg----------------" + msg);
return null;
//return new ProducerMessage.Message<SpecificRecord, SpecificRecord,
ConsumerMessage.Committable>(
// new ProducerRecord<SpecificRecord, SpecificRecord>("akkatest",
param._2.record().key(), msg.record().value()), msg.committableOffset());
}
}).runWith(Producer.commitableSink(producerSettings), materializer);
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