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https://issues.apache.org/jira/browse/FLINK-7008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16066206#comment-16066206
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ASF GitHub Bot commented on FLINK-7008:
---------------------------------------
Github user dawidwys commented on a diff in the pull request:
https://github.com/apache/flink/pull/4195#discussion_r124492768
--- Diff:
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/ComputationState.java
---
@@ -114,6 +115,28 @@ public DeweyNumber getVersion() {
return version;
}
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof ComputationState) {
+ ComputationState other = (ComputationState) obj;
+ return Objects.equals(state, other.state) &&
+ event == other.event &&
--- End diff --
how about comparing events with `.equals()`? It is not a primitive object.
> Update NFA state only when the NFA changes.
> -------------------------------------------
>
> Key: FLINK-7008
> URL: https://issues.apache.org/jira/browse/FLINK-7008
> Project: Flink
> Issue Type: Improvement
> Components: CEP
> Affects Versions: 1.3.1
> Reporter: Kostas Kloudas
> Assignee: Dian Fu
> Fix For: 1.4.0
>
>
> Currently in the {{AbstractKeyedCEPPatternOperator.updateNFA()}} method we
> update the NFA state every time the NFA is touched. This leads to redundant
> puts/gets to the state when there are no changes to the NFA itself.
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