13 lines
324 B
Scala
13 lines
324 B
Scala
package spark
|
|
|
|
private[spark] abstract class ShuffleFetcher {
|
|
/**
|
|
* Fetch the shuffle outputs for a given ShuffleDependency.
|
|
* @return An iterator over the elements of the fetched shuffle outputs.
|
|
*/
|
|
def fetch[K, V](shuffleId: Int, reduceId: Int) : Iterator[(K, V)]
|
|
|
|
/** Stop the fetcher */
|
|
def stop() {}
|
|
}
|