UUID first block extractor.

diff --git a/org.argeo.core/src/org/argeo/util/UuidUtils.java b/org.argeo.core/src/org/argeo/util/UuidUtils.java
index ebe0978ba940164d31acb51137378768da996188..7584abc1be2fc66705082e355c0d41026779122f 100644 (file)
--- a/org.argeo.core/src/org/argeo/util/UuidUtils.java
+++ b/org.argeo.core/src/org/argeo/util/UuidUtils.java
@@ -301,6 +301,10 @@ public class UuidUtils {
        public static UUID compactToUuid(String compact) {
                return UUID.fromString(compactToStd(compact));
        }
+       
+       public static String firstBlock(UUID uuid) {
+               return uuid.toString().substring(0, 8);
+       }
 
        public static boolean isRandom(UUID uuid) {
                return uuid.version() == 4;