srowen commented on a change in pull request #22282: [SPARK-23539][SS] Add
support for Kafka headers in Structured Streaming
URL: https://github.com/apache/spark/pull/22282#discussion_r322761604
##########
File path:
external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaTestUtils.scala
##########
@@ -369,17 +371,36 @@ class KafkaTestUtils(
topic: String,
messages: Array[String],
partition: Option[Int]): Seq[(String, RecordMetadata)] = {
+ sendMessages(topic, messages.map(m => (m, Seq())), partition)
+ }
+
+ /** Send record to the Kafka broker with headers using specified partition */
+ def sendMessage(topic: String,
+ record: (String, Seq[(String, Array[Byte])]),
+ partition: Option[Int]): Seq[(String, RecordMetadata)] = {
+ sendMessages(topic, Array(record).toSeq, partition)
+ }
+
+ /** Send the array of records to the Kafka broker with headers using
specified partition */
+ def sendMessages(topic: String,
+ records: Seq[(String, Seq[(String, Array[Byte])])],
+ partition: Option[Int]): Seq[(String, RecordMetadata)] = {
producer = new KafkaProducer[String, String](producerConfiguration)
val offsets = try {
- messages.map { m =>
+ records.map { case (value, header) =>
+ val headers = header.map { case (k, v) =>
+ new RecordHeader(k, v).asInstanceOf[Header]
+ }
val record = partition match {
- case Some(p) => new ProducerRecord[String, String](topic, p, null, m)
- case None => new ProducerRecord[String, String](topic, m)
+ case Some(p) =>
+ new ProducerRecord[String, String](topic, p, null, value,
headers.asJava)
Review comment:
Nit: Rather than duplicate this block, can you pass `p.orNull` as the second
arg?
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