1 /* 2 * $Id: UUID.java 19191 2010-08-25 21:05:23Z tcarlson $ 3 * -------------------------------------------------------------------------------------- 4 * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com 5 * 6 * The software in this package is published under the terms of the CPAL v1.0 7 * license, a copy of which has been included with this distribution in the 8 * LICENSE.txt file. 9 */ 10 11 package org.mule.util; 12 13 import org.safehaus.uuid.UUIDGenerator; 14 15 /** 16 * <code>UUID</code> Generates a UUID using JDK 5. THe reason for this class is that we have changed the UUID impl in the past. 17 * using this class makes it easy to switch out implementations 18 */ 19 // @ThreadSafe 20 public final class UUID 21 { 22 private UUID() 23 { 24 // no go 25 } 26 27 public static String getUUID() 28 { 29 return java.util.UUID.randomUUID().toString(); 30 } 31 32 /** 33 * Generates incremental and unique ids. 34 * 35 * @return an id that will be different from the previous ones. 36 */ 37 public static String getAscendingOrderUUID() 38 { 39 // The timeBasedUUID will generate strictly incremental unique ids. 40 // Sorting all the ids will give us the ids in the order that were 41 // generated. 42 return UUIDGenerator.getInstance().generateTimeBasedUUID().toString(); 43 } 44 45 }