001package org.cache2k.impl.threading;
002
003/*
004 * #%L
005 * cache2k core package
006 * %%
007 * Copyright (C) 2000 - 2015 headissue GmbH, Munich
008 * %%
009 * This program is free software: you can redistribute it and/or modify
010 * it under the terms of the GNU General Public License as
011 * published by the Free Software Foundation, either version 3 of the 
012 * License, or (at your option) any later version.
013 * 
014 * This program is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017 * GNU General Public License for more details.
018 * 
019 * You should have received a copy of the GNU General Public 
020 * License along with this program.  If not, see
021 * <http://www.gnu.org/licenses/gpl-3.0.html>.
022 * #L%
023 */
024
025import java.util.concurrent.ThreadFactory;
026import java.util.concurrent.atomic.AtomicInteger;
027
028/**
029 * Factory which names the threads uniquely.
030 *
031 * @author Jens Wilke; created: 2014-06-10
032 */
033public class GlobalThreadFactory implements ThreadFactory {
034
035  AtomicInteger threadCount = new AtomicInteger();
036  String prefix = "cache2k-";
037
038  public GlobalThreadFactory(String _threadNamePrefix) {
039    if (_threadNamePrefix != null) {
040      this.prefix = _threadNamePrefix;
041    }
042  }
043
044  @Override
045  public Thread newThread(Runnable r) {
046    int id = threadCount.getAndIncrement();
047    Thread thr = new Thread(r);
048    thr.setName(prefix + Integer.toString(id, 36));
049    thr.setDaemon(true);
050    return thr;
051  }
052
053}