Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/2907#discussion_r19642063
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/rdd/SlidingRDD.scala
---
@@ -45,15 +45,16 @@ class SlidingRDDPartition[T](val idx: Int, val prev:
Partition, val tail: Seq[T]
*/
private[mllib]
class SlidingRDD[T: ClassTag](@transient val parent: RDD[T], val
windowSize: Int)
- extends RDD[Seq[T]](parent) {
+ extends RDD[Array[T]](parent) {
require(windowSize > 1, s"Window size must be greater than 1, but got
$windowSize.")
- override def compute(split: Partition, context: TaskContext):
Iterator[Seq[T]] = {
+ override def compute(split: Partition, context: TaskContext):
Iterator[Array[T]] = {
val part = split.asInstanceOf[SlidingRDDPartition[T]]
- (firstParent[T].iterator(part.prev, context) ++ part.tail)
+ (firstParent[T].iterator(part.prev, context) ++ part.tail)
--- End diff --
2-space indentation
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