Github user lw-lin commented on a diff in the pull request:
https://github.com/apache/spark/pull/15681#discussion_r85640467
--- Diff:
external/kafka-0-10/src/main/scala/org/apache/spark/streaming/kafka010/KafkaUtils.scala
---
@@ -56,32 +57,18 @@ object KafkaUtils extends Logging {
@Experimental
def createRDD[K, V](
sc: SparkContext,
- kafkaParams: ju.Map[String, Object],
+ kafkaParams: collection.Map[String, Object],
offsetRanges: Array[OffsetRange],
locationStrategy: LocationStrategy
): RDD[ConsumerRecord[K, V]] = {
- val preferredHosts = locationStrategy match {
- case PreferBrokers =>
- throw new AssertionError(
- "If you want to prefer brokers, you must provide a mapping using
PreferFixed " +
- "A single KafkaRDD does not have a driver consumer and cannot
look up brokers for you.")
- case PreferConsistent => ju.Collections.emptyMap[TopicPartition,
String]()
- case PreferFixed(hostMap) => hostMap
- }
- val kp = new ju.HashMap[String, Object](kafkaParams)
- fixKafkaParams(kp)
- val osr = offsetRanges.clone()
-
- new KafkaRDD[K, V](sc, kp, osr, preferredHosts, true)
--- End diff --
all is exacted into a `private createRDDInternal()` method untouched
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