content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * 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
   *
   * https://opensource.org/licenses/Apache-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 com.tencent.angel.common;
  
  import java.util.concurrent.ThreadFactory;
  import java.util.concurrent.atomic.AtomicInteger;
  
  public class AngelThreadFactory implements ThreadFactory {
  
    private static final AtomicInteger poolNumber = new AtomicInteger(1);
    private final ThreadGroup group;
    private final AtomicInteger threadNumber = new AtomicInteger(1);
    private final String namePrefix;
  
    public AngelThreadFactory(String poolName) {
      SecurityManager s = System.getSecurityManager();
      group = (s != null) ? s.getThreadGroup() :
          Thread.currentThread().getThreadGroup();
      namePrefix = "" + poolName +
          "-thread-";
    }
  
    public Thread newThread(Runnable r) {
      Thread t = new Thread(group, r,
          namePrefix + threadNumber.getAndIncrement(),
          0);
      if (t.isDaemon()) {
        t.setDaemon(false);
      }
      if (t.getPriority() != Thread.NORM_PRIORITY) {
        t.setPriority(Thread.NORM_PRIORITY);
      }
      return t;
    }
  }
  