Github user dawidwys commented on a diff in the pull request:
https://github.com/apache/flink/pull/5141#discussion_r158908424
--- Diff:
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/SharedBuffer.java
---
@@ -82,9 +82,12 @@
private transient Map<K, SharedBufferPage<K, V>> pages;
+ private final transient List<SharedBufferEntry<K, V>> prunedEntries;
--- End diff --
Not sure about the potential advantages. See e.g. this answer on SO:
https://stackoverflow.com/a/18371813/4250114 . Plus the local variable is
easier to reason about.
Personally I am for the local variable, but if you feel this version is
better, will merge it as it is.
---