Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/4723#discussion_r29030076
--- Diff:
external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaUtils.scala
---
@@ -558,4 +560,100 @@ private class KafkaUtilsPythonHelper {
topics,
storageLevel)
}
+
+ def createRDD(
+ jsc: JavaSparkContext,
+ kafkaParams: JMap[String, String],
+ offsetRanges: JList[OffsetRange]): JavaPairRDD[Array[Byte],
Array[Byte]] = {
+ KafkaUtils.createRDD[Array[Byte], Array[Byte], DefaultDecoder,
DefaultDecoder](
+ jsc,
+ classOf[Array[Byte]],
+ classOf[Array[Byte]],
+ classOf[DefaultDecoder],
+ classOf[DefaultDecoder],
+ kafkaParams,
+ offsetRanges.toArray(new Array[OffsetRange](offsetRanges.size())))
+ }
+
+ def createRDD(
+ jsc: JavaSparkContext,
+ kafkaParams: JMap[String, String],
+ offsetRanges: JList[OffsetRange],
+ leaders: JMap[TopicAndPartition, Broker]): JavaPairRDD[Array[Byte],
Array[Byte]] = {
+ val messageHandler = new JFunction[MessageAndMetadata[Array[Byte],
Array[Byte]],
+ (Array[Byte], Array[Byte])] {
+ def call(t1: MessageAndMetadata[Array[Byte], Array[Byte]]):
(Array[Byte], Array[Byte]) =
+ (t1.key(), t1.message())
+ }
+
+ val jrdd = KafkaUtils.createRDD[
+ Array[Byte],
+ Array[Byte],
+ DefaultDecoder,
+ DefaultDecoder,
+ (Array[Byte], Array[Byte])](
+ jsc,
+ classOf[Array[Byte]],
+ classOf[Array[Byte]],
+ classOf[DefaultDecoder],
+ classOf[DefaultDecoder],
+ classOf[(Array[Byte], Array[Byte])],
+ kafkaParams,
+ offsetRanges.toArray(new Array[OffsetRange](offsetRanges.size())),
+ leaders,
+ messageHandler
+ )
+ new JavaPairRDD(jrdd.rdd)
+ }
+
+ def createDirectStream(
+ jssc: JavaStreamingContext,
+ kafkaParams: JMap[String, String],
+ topics: JSet[String]): JavaPairInputDStream[Array[Byte],
Array[Byte]] = {
+ KafkaUtils.createDirectStream[Array[Byte], Array[Byte],
DefaultDecoder, DefaultDecoder](
+ jssc,
+ classOf[Array[Byte]],
+ classOf[Array[Byte]],
+ classOf[DefaultDecoder],
+ classOf[DefaultDecoder],
+ kafkaParams,
+ topics)
+ }
+
+ def createDirectStream(
+ jssc: JavaStreamingContext,
+ kafkaParams: JMap[String, String],
+ fromOffsets: JMap[TopicAndPartition, JLong])
+ : JavaPairInputDStream[Array[Byte], Array[Byte]] = {
+ val messageHandler = new JFunction[MessageAndMetadata[Array[Byte],
Array[Byte]],
+ (Array[Byte], Array[Byte])] {
+ def call(t1: MessageAndMetadata[Array[Byte], Array[Byte]]):
(Array[Byte], Array[Byte]) =
+ (t1.key(), t1.message())
+ }
+
+ val jstream = KafkaUtils.createDirectStream[
+ Array[Byte],
+ Array[Byte],
+ DefaultDecoder,
+ DefaultDecoder,
+ (Array[Byte], Array[Byte])](
+ jssc,
+ classOf[Array[Byte]],
+ classOf[Array[Byte]],
+ classOf[DefaultDecoder],
+ classOf[DefaultDecoder],
+ classOf[(Array[Byte], Array[Byte])],
+ kafkaParams,
+ fromOffsets,
+ messageHandler)
+ new JavaPairInputDStream(jstream.inputDStream)
+ }
+
+ def createOffsetRange(topic: String, partition: Int, fromOffset: Long,
untilOffset: Long)
+ : OffsetRange = OffsetRange.create(topic, partition, fromOffset,
untilOffset)
--- End diff --
Same comment as above
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