GlobalThreadFactory.java

package org.cache2k.benchmark.impl2015.threading;

/*
 * #%L
 * Benchmarks: implementation variants
 * %%
 * Copyright (C) 2013 - 2017 headissue GmbH, Munich
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * Factory which names the threads uniquely.
 *
 * @author Jens Wilke; created: 2014-06-10
 */
public class GlobalThreadFactory implements ThreadFactory {

  AtomicInteger threadCount = new AtomicInteger();
  String prefix = "cache2k-";

  public GlobalThreadFactory(String _threadNamePrefix) {
    if (_threadNamePrefix != null) {
      this.prefix = _threadNamePrefix;
    }
  }

  @Override
  public Thread newThread(Runnable r) {
    int id = threadCount.getAndIncrement();
    Thread thr = new Thread(r);
    thr.setName(prefix + Integer.toString(id, 36));
    thr.setDaemon(true);
    return thr;
  }

}