showuon commented on code in PR #13099:
URL: https://github.com/apache/kafka/pull/13099#discussion_r1082162567
##########
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) {
+ long result = Long.MAX_VALUE;
+ try {
+ result = Math.addExact(a, b);
+ } catch (ArithmeticException e) {
+ log.info("The sum of {} and {} is overflowed, set to
Long.MAX_VALUE", a, b);
Review Comment:
Hmm. OK. Let's throw an exception.
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