// #atLeastOnceBatch
Consumer.Control control =
Consumer.committableSource(consumerSettings, Subscriptions.topics("topic1"))
.mapAsync(1, msg ->
business(msg.record().key(), msg.record().value())
.thenApply(done -> msg.committableOffset())
)
.batch(
20,
ConsumerMessage::createCommittableOffsetBatch,
ConsumerMessage.CommittableOffsetBatch::updated
)
.mapAsync(3, c -> c.commitJavadsl())
.to(Sink.ignore())
.run(materializer);
// #atLeastOnceBatch
我正在尝试测试驱动 Alpakka Kafka 连接器至少一次批处理示例,我收到以下编译时错误
ConsumerMessage 类型未定义此处适用的 createCommittableOffsetBatch(ConsumerMessage.CommittableOffset)
并且 ConsumerMessage.CommittableOffsetBatch 类型未定义适用于此处的 updated(S, ConsumerMessage.CommittableOffset)