jiexray commented on code in PR #25996:
URL: https://github.com/apache/flink/pull/25996#discussion_r1920956871
##########
flink-runtime/src/main/java/org/apache/flink/streaming/api/windowing/assigners/WindowAssigner.java:
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@@ -64,6 +66,13 @@ public abstract Collection<W> assignWindows(
*/
public abstract Trigger<T, W> getDefaultTrigger();
+ /** Returns the default async trigger associated with this {@code
WindowAssigner}. */
+ @Experimental
+ public AsyncTrigger<T, W> getDefaultAsyncTrigger() {
+ // Subclass should override this method if they support async state
processing.
+ throw new RuntimeException("The assigner does not support async
state.");
+ }
+
Review Comment:
Resolved.
Yes, `getDefaultAsyncTrigger()` is no use, and I have removed it from
`WindowAssigner`.
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