[GitHub] [kafka] showuon commented on a diff in pull request #13099: KAFKA-14604: avoid SASL session expiration time overflowed when calculation

[GitBox <gi...@apache.org>]

showuon commented on code in PR #13099:
URL: https://github.com/apache/kafka/pull/13099#discussion_r1065331903


##########
clients/src/main/java/org/apache/kafka/common/utils/Utils.java:
##########
@@ -1496,4 +1496,32 @@ public static String replaceSuffix(String str, String oldSuffix, String newSuffi
             throw new IllegalArgumentException("Expected string to end with " + oldSuffix + " but string is " + str);
         return str.substring(0, str.length() - oldSuffix.length()) + newSuffix;
     }
+
+    public static long zeroIfNegative(long value) {
+        return Math.max(0L, value);
+    }
+
+    // returns the sum of a and b unless it would overflow, which will return Long.MAX_VALUE
+    public static long saturatedAdd(long a, long b) {

Review Comment:
   The method name is copied from guava's [LongMath class](https://guava.dev/releases/20.0/api/docs/com/google/common/math/LongMath.html#saturatedAdd-long-long-).



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