1 /** 2 * Copyright 2010-2013 The Kuali Foundation 3 * 4 * Licensed under the Educational Community License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.opensource.org/licenses/ecl2.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.kuali.common.util; 17 18 import java.util.List; 19 20 public class ThreadUtils { 21 22 /** 23 * Sleep for <code>millis</code> throwing <code>IllegalStateException</code> if we get interrupted. 24 */ 25 public static void sleep(long millis) { 26 try { 27 Thread.sleep(millis); 28 } catch (InterruptedException e) { 29 throw new IllegalStateException(e); 30 } 31 } 32 33 public static void start(List<Thread> threads) { 34 for (Thread thread : threads) { 35 thread.start(); 36 } 37 } 38 39 public static void join(List<Thread> threads) { 40 try { 41 for (Thread thread : threads) { 42 thread.join(); 43 } 44 } catch (InterruptedException e) { 45 throw new IllegalStateException(e); 46 } 47 } 48 }