Github user arunmahadevan commented on a diff in the pull request:
https://github.com/apache/storm/pull/2218#discussion_r130273783
--- Diff:
storm-client/src/jvm/org/apache/storm/windowing/WindowManager.java ---
@@ -111,14 +125,86 @@ public void add(Event<T> windowEvent) {
LOG.debug("Got watermark event with ts {}",
windowEvent.getTimestamp());
}
track(windowEvent);
- compactWindow();
+ if (!stateful) {
+ compactWindow();
+ }
}
/**
* The callback invoked by the trigger policy.
*/
@Override
public boolean onTrigger() {
+ return stateful ? doOnTriggerStateful() : doOnTrigger();
--- End diff --
Strategy is not straightforward without a lot of refactoring. Will move it
into sub class to keep the stateful case separate.
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