wypoon commented on a change in pull request #28848:
URL: https://github.com/apache/spark/pull/28848#discussion_r452586406
##########
File path:
core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala
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@@ -248,17 +252,18 @@ class DAGSchedulerSuite extends SparkFunSuite with
LocalSparkContext with TimeLi
*/
val cacheLocations = new HashMap[(Int, Int), Seq[BlockManagerId]]
// stub out BlockManagerMaster.getLocations to use our cacheLocations
- val blockManagerMaster = new BlockManagerMaster(null, null, conf, true) {
- override def getLocations(blockIds: Array[BlockId]):
IndexedSeq[Seq[BlockManagerId]] = {
- blockIds.map {
- _.asRDDId.map(id => (id.rddId -> id.splitIndex)).flatMap(key =>
cacheLocations.get(key)).
- getOrElse(Seq())
- }.toIndexedSeq
- }
- override def removeExecutor(execId: String): Unit = {
- // don't need to propagate to the driver, which we don't have
- }
+ class MyBlockManagerMaster(conf: SparkConf) extends BlockManagerMaster(null,
null, conf, true) {
+ override def getLocations(blockIds: Array[BlockId]):
IndexedSeq[Seq[BlockManagerId]] = {
+ blockIds.map {
+ _.asRDDId.map { id => (id.rddId -> id.splitIndex)
+ }.flatMap { key => cacheLocations.get(key)
+ }.getOrElse(Seq())
Review comment:
@squito requested this change, to conform with what he said was the
preferred scala style (map or flatMap with "=>" should use braces rather than
parentheses).
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