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https://issues.apache.org/jira/browse/FLINK-10583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655324#comment-16655324
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ASF GitHub Bot commented on FLINK-10583:
----------------------------------------
pnowojski commented on a change in pull request #6871: [FLINK-10583][table] Add
base TwoInputStreamOperator with TTL operator.
URL: https://github.com/apache/flink/pull/6871#discussion_r226325589
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/join/AbstractTwoInputStreamOperatorWithTTL.scala
##########
@@ -80,51 +87,52 @@ abstract class AbstractTwoInputStreamOperatorWithTTL(
timerService = new SimpleTimerService(internalTimerService)
}
- override def processElement1(element: StreamRecord[CRow]): Unit = {
- registerProcessingCleanupTimer()
- }
-
- override def processElement2(element: StreamRecord[CRow]): Unit = {
- registerProcessingCleanupTimer()
- }
-
- private def registerProcessingCleanupTimer(): Unit = {
+ /**
+ * If the user has specified a `minRetentionTime` and `maxRetentionTime`,
this
+ * method registers a cleanup timer for `currentProcessingTime +
minRetentionTime`.
+ *
+ * <p>When this timer fires, the
[[AbstractTwoInputStreamOperatorWithTTL.cleanUpState()]]
+ * method is called.
+ */
+ protected def registerProcessingCleanUpTimer(): Unit = {
if (stateCleaningEnabled) {
val currentProcessingTime = timerService.currentProcessingTime()
- val currentCleanupTime = cleanupTimeState.value()
+ val currentCleanUpTime = Option(cleanUpTimeState.value())
Review comment:
According to @twalthr we should avoid using scala classes in runtime. I
didn't like that but changed my `Option` usages to java's `Optional`.
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> Add support for state retention to the Processing Time versioned joins.
> -----------------------------------------------------------------------
>
> Key: FLINK-10583
> URL: https://issues.apache.org/jira/browse/FLINK-10583
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Affects Versions: 1.7.0
> Reporter: Kostas Kloudas
> Assignee: Kostas Kloudas
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
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