public UUID getUUID() {
        UUID uuid = computeUUID(md);
        md.reset();
        digest(nsuid);
        return uuid;
    }
Computes the version tag from this digester.
<p>This uses the current message digest state and resets it.
@return the type 5 uuid
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/properties/Digester.java