[GitHub] flink pull request #4784: FLINK-7736: fix some lgtm.com alerts

[haohui]

Github user haohui commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4784#discussion_r143363797
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/webmonitor/history/ArchivedJson.java
 ---
    @@ -55,6 +57,13 @@ public boolean equals(Object obj) {
                }
        }
     
    +   public int hashCode() {
    --- End diff --
    
    Just use Objects.hash here. And it needs the override annotation.


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