Here you can find the source of generateRawUUID()
public static String generateRawUUID()
//package com.java2s; /* Copyright 2014 MITRE Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License.// w w w. j a v a 2 s . c o m */ import java.util.UUID; public class Main { /** * Generate a raw identifier used in PLUS object IDs * @return a String unique identifier (UUID, time-based random number) */ public static String generateRawUUID() { UUID u = UUID.randomUUID(); return u.toString(); } }