Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/10554#discussion_r48713706
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaPairDStream.scala
---
@@ -848,6 +848,6 @@ object JavaPairDStream {
def scalaToJavaLong[K: ClassTag](dstream: JavaPairDStream[K, Long])
: JavaPairDStream[K, JLong] = {
- DStream.toPairDStreamFunctions(dstream.dstream).mapValues(new JLong(_))
+
DStream.toPairDStreamFunctions(dstream.dstream).mapValues(JLong.valueOf)
--- End diff --
Changed for consistency; `valueOf` is slightly more efficient than the
constructor since the JDK actually caches `Long` objects for small values.
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