content: /*******************************************************************************
   * Copyright (c) 2010 Haifeng Li
   *
   * 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.
   *******************************************************************************/
  
  package smile.util;
  
  import java.util.concurrent.ThreadFactory;
  
  /**
   * Make worker threads as daemon thread. When the main thread exits, the worker
   * threads will exit too. Otherwise, the program will hang when the main
   * thread finishes.
   *
   * @author Haifeng Li
   */
  class SimpleDeamonThreadFactory implements ThreadFactory {
    public Thread newThread(Runnable r) {
      Thread t = new Thread(r);
      t.setDaemon(true);
      return t;
    }
  }
  