Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1190#discussion_r55532861
--- Diff:
storm-core/src/jvm/org/apache/storm/topology/StatefulBoltExecutor.java ---
@@ -148,4 +148,19 @@ private void fail(List<Tuple> tuples) {
}
}
+ private static class AckTrackingOutputCollector extends
AnchoringOutputCollector {
+ private OutputCollector delegate;
+ private List<Tuple> ackedTuples;
+
+ AckTrackingOutputCollector(OutputCollector delegate) {
+ super(delegate);
+ this.delegate = delegate;
+ this.ackedTuples = new ArrayList<>();
--- End diff --
All access to ackedTuples should ideally be thread safe, as the
OutputCollector could be called from a different thread.
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