在官网看到对于Kafka分区的时间戳定义描述,给出了示例,如下图:
FlinkKafkaConsumer09<MyType> kafkaSource = new FlinkKafkaConsumer09<>("myTopic", schema, props);kafkaSource.assignTimestampsAndWatermarks(new AscendingTimestampExtractor<MyType>() { @Override public long extractAscendingTimestamp(MyType element) { return element.eventTimestamp(); }}); DataStream<MyType> stream = env.addSource(kafkaSource); *不太理解这个里面泛型传的是用户定义的case class,还是传*ConsumerRecord,从他里面提取时间戳