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Updated PruneDependency to change "split" to "partition".

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This commit is contained in:
Reynold Xin 2013-01-23 22:22:03 -08:00
parent eedc542a02
commit c109f29c97
2 changed files with 6 additions and 6 deletions
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10
core/src/main/scala/spark/Dependency.scala
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@ -64,14 +64,14 @@ class RangeDependency[T](rdd: RDD[T], inStart: Int, outStart: Int, length: Int)
/**
* Represents a dependency between the SplitsPruningRDD and its parent. In this
* case, the child RDD contains a subset of splits of the parents'.
* Represents a dependency between the PartitionPruningRDD and its parent. In this
* case, the child RDD contains a subset of partitions of the parents'.
*/
class PruneDependency[T](rdd: RDD[T], @transient splitsFilterFunc: Int => Boolean)
class PruneDependency[T](rdd: RDD[T], @transient partitionFilterFunc: Int => Boolean)
extends NarrowDependency[T](rdd) {
@transient
val splits: Array[Split] = rdd.splits.filter(s => splitsFilterFunc(s.index))
val partitions: Array[Split] = rdd.splits.filter(s => partitionFilterFunc(s.index))
override def getParents(partitionId: Int) = List(splits(partitionId).index)
override def getParents(partitionId: Int) = List(partitions(partitionId).index)
}

2
core/src/main/scala/spark/rdd/PartitionPruningRDD.scala
View file

@ -14,7 +14,7 @@ class PartitionPruningRDD[T: ClassManifest](
extends RDD[T](prev.context, List(new PruneDependency(prev, partitionFilterFunc))) {
@transient
val partitions_ : Array[Split] = dependencies_.head.asInstanceOf[PruneDependency[T]].splits
val partitions_ : Array[Split] = dependencies_.head.asInstanceOf[PruneDependency[T]].partitions
override def compute(split: Split, context: TaskContext) = firstParent[T].iterator(split, context)