Github user satishd commented on a diff in the pull request: https://github.com/apache/storm/pull/2241#discussion_r129215798 --- Diff: storm-client/src/jvm/org/apache/storm/daemon/Task.java --- @@ -246,4 +291,26 @@ private void addTaskHooks() { } } + private static HashMap<String, ArrayList<LoadAwareCustomStreamGrouping>> getGroupersPerStream(Map<String, Map<String, LoadAwareCustomStreamGrouping>> streamComponentToGrouper) { --- End diff -- nit: This can return `Map<String, List<LoadAwareCustomStreamGrouping>` instead of implementations.
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