Myasuka commented on a change in pull request #8091: [hotfix][docs] fix error
in Process Function Doc
URL: https://github.com/apache/flink/pull/8091#discussion_r270832331
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File path: docs/dev/stream/operators/process_function.md
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@@ -199,14 +199,14 @@ case class CountWithTimestamp(key: String, count: Long,
lastModified: Long)
/**
* The implementation of the ProcessFunction that maintains the count and
timeouts
*/
-class CountWithTimeoutFunction extends ProcessFunction[(String, String),
(String, Long)] {
+class CountWithTimeoutFunction extends KeyedProcessFunction[Tuple, (String,
String), (String, Long)] {
/** The state that is maintained by this process function */
lazy val state: ValueState[CountWithTimestamp] = getRuntimeContext
.getState(new ValueStateDescriptor[CountWithTimestamp]("myState",
classOf[CountWithTimestamp]))
- override def processElement(value: (String, String), ctx: Context, out:
Collector[(String, Long)]): Unit = {
+ override def processElement(value: (String, String), ctx:
KeyedProcessFunction[Tuple, (String, String), (String, Long)]#Context, out:
Collector[(String, Long)]): Unit = {
Review comment:
The same question as above and the `#onTimer` method below should also take
into consideration.
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