1 package org.apache.commons.jcs.utils.threadpool; 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 import java.util.concurrent.ThreadFactory; 23 24 /** 25 * Allows us to set the daemon status on the threads. 26 * <p> 27 * @author aaronsm 28 */ 29 public class DaemonThreadFactory 30 implements ThreadFactory 31 { 32 private String prefix; 33 private boolean threadIsDaemon = true; 34 private int threadPriority = Thread.NORM_PRIORITY; 35 36 /** 37 * Constructor 38 * 39 * @param prefix thread name prefix 40 */ 41 public DaemonThreadFactory(String prefix) 42 { 43 this(prefix, Thread.NORM_PRIORITY); 44 } 45 46 /** 47 * Constructor 48 * 49 * @param prefix thread name prefix 50 * @param threadPriority set thread priority 51 */ 52 public DaemonThreadFactory(String prefix, int threadPriority) 53 { 54 this.prefix = prefix; 55 this.threadPriority = threadPriority; 56 } 57 58 /** 59 * Sets the thread to daemon. 60 * <p> 61 * @param runner 62 * @return a daemon thread 63 */ 64 @Override 65 public Thread newThread( Runnable runner ) 66 { 67 Thread t = new Thread( runner ); 68 String oldName = t.getName(); 69 t.setName( prefix + oldName ); 70 t.setDaemon(threadIsDaemon); 71 t.setPriority(threadPriority); 72 return t; 73 } 74 }