dongjoon-hyun commented on a change in pull request #26960:
[SPARK-28144][SPARK-29294][SS] Upgrade the version of Kafka to 2.4
URL: https://github.com/apache/spark/pull/26960#discussion_r360662563
##########
File path:
external/kafka-0-10/src/test/scala/org/apache/spark/streaming/kafka010/mocks/MockScheduler.scala
##########
@@ -41,57 +42,33 @@ import org.apache.kafka.common.utils.Time
*/
private[kafka010] class MockScheduler(val time: Time) extends Scheduler {
- /* a priority queue of tasks ordered by next execution time */
- var tasks = new PriorityQueue[MockTask]()
+ val scheduler = new DeterministicScheduler()
def isStarted: Boolean = true
def startup(): Unit = {}
def shutdown(): Unit = synchronized {
- tasks.foreach(_.fun())
- tasks.clear()
+ scheduler.runUntilIdle()
}
- /**
- * Check for any tasks that need to execute. Since this is a mock scheduler
this check only occurs
- * when this method is called and the execution happens synchronously in the
calling thread.
- * If you are using the scheduler associated with a MockTime instance this
call
- * will be triggered automatically.
- */
- def tick(): Unit = synchronized {
- val now = time.milliseconds
- while(!tasks.isEmpty && tasks.head.nextExecution <= now) {
- /* pop and execute the task with the lowest next execution time */
- val curr = tasks.dequeue
- curr.fun()
- /* if the task is periodic, reschedule it and re-enqueue */
- if(curr.periodic) {
- curr.nextExecution += curr.period
- this.tasks += curr
- }
- }
+ def tick(duration: Long, timeUnit: TimeUnit): Unit = synchronized {
+ scheduler.tick(duration, timeUnit)
}
def schedule(
name: String,
fun: () => Unit,
delay: Long = 0,
period: Long = -1,
- unit: TimeUnit = TimeUnit.MILLISECONDS): Unit = synchronized {
- tasks += MockTask(name, fun, time.milliseconds + delay, period = period)
- tick()
- }
-
-}
-
-case class MockTask(
Review comment:
Thank you for removing this.
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