001/* 002 * (C) Copyright 2010-2015 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Benoit Delbosc 016 * Julien Carsique 017 * 018 */ 019 020package org.nuxeo.launcher.daemon; 021 022import java.util.concurrent.ThreadFactory; 023import java.util.concurrent.atomic.AtomicInteger; 024 025/** 026 * A factory to create daemon thread, this prevents the JVM to hang on exit waiting for non-daemon threads to finish. 027 * 028 * @author ben 029 * @since 5.4.2 030 */ 031public class DaemonThreadFactory implements ThreadFactory { 032 033 private static final AtomicInteger count = new AtomicInteger(0); 034 035 private String basename; 036 037 private boolean isDaemon; 038 039 /** 040 * @param basename String to use in thread name 041 */ 042 public DaemonThreadFactory(String basename) { 043 this(basename, true); 044 } 045 046 /** 047 * @param basename String to use in thread name 048 * @param isDaemon Will created threads be set as daemon ? 049 */ 050 public DaemonThreadFactory(String basename, boolean isDaemon) { 051 this.basename = basename; 052 this.isDaemon = isDaemon; 053 } 054 055 /** 056 * New daemon thread. 057 */ 058 @Override 059 public Thread newThread(final Runnable runnable) { 060 final Thread thread = new Thread(runnable, basename + "-" + count.getAndIncrement()); 061 thread.setDaemon(isDaemon); 062 return thread; 063 } 064 065}