1 package org.apache.commons.jcs.utils.timing;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 /**
23 * Utility methods to help deal with thread issues.
24 */
25 public class SleepUtil
26 {
27 /**
28 * Sleep for a specified duration in milliseconds. This method is a
29 * platform-specific workaround for Windows due to its inability to resolve
30 * durations of time less than approximately 10 - 16 ms.
31 * <p>
32 * @param milliseconds the number of milliseconds to sleep
33 */
34 public static void sleepAtLeast( long milliseconds )
35 {
36 long endTime = System.currentTimeMillis() + milliseconds;
37
38 while ( System.currentTimeMillis() <= endTime )
39 {
40 try
41 {
42 Thread.sleep( milliseconds );
43 }
44 catch ( InterruptedException e )
45 {
46 // TODO - Do something here?
47 }
48 }
49 }
50 }