peterxcli commented on code in PR #8975:
URL: https://github.com/apache/ozone/pull/8975#discussion_r2308912651
##########
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/StringUtils.java:
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@@ -97,4 +97,21 @@ public static String bytes2String(byte[] bytes) {
public static byte[] string2Bytes(String str) {
return str.getBytes(UTF8);
}
+
+ /**
+ * Returns the exclusive upper bound string for the given key, suitable for
+ * range scans and pagination.
+ * <p>
+ * Examples: {@code "a" -> "b"}, {@code "a/b" -> "a/c"}, {@code "a/b/c" ->
"a/b/d"}.
+ * </p>
+ *
+ * @param key the key to get the upper bound of (non-null); if empty,
returns an empty string
+ * @return the upper bound of the key (exclusive)
+ */
+ public static String getKeyUpperBound(String key) {
Review Comment:
nvm
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