Github user dawidwys commented on a diff in the pull request:
https://github.com/apache/flink/pull/3477#discussion_r105851817
--- Diff:
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/NFA.java ---
@@ -71,19 +70,16 @@
private final NonDuplicatingTypeSerializer<T>
nonDuplicatingTypeSerializer;
// Buffer used to store the matched events
--- End diff --
I've changed it to String because, one `Pattern` can be compiled into
multiple `State`s. I assumed the name is unique for `Pattern` and when the
resulting matches are returned we want to have events grouped by the `Pattern`
name in `Map<String, Event>`.
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