content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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 com.alibaba.nacos.config.server.service;
  
  import java.util.concurrent.Executors;
  import java.util.concurrent.ScheduledExecutorService;
  import java.util.concurrent.ThreadFactory;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  /**
   * 定时任务服务
   *
   * @author Nacos
   */
  public class TimerTaskService {
      @SuppressWarnings("PMD.ThreadPoolCreationRule")
      private static ScheduledExecutorService scheduledExecutorService = Executors
          .newScheduledThreadPool(10, new ThreadFactory() {
              AtomicInteger count = new AtomicInteger(0);
  
              @Override
              public Thread newThread(Runnable r) {
                  Thread t = new Thread(r);
                  t.setDaemon(true);
                  t.setName("com.alibaba.nacos.server.Timer-" + count.getAndIncrement());
                  return t;
              }
          });
  
      static public void scheduleWithFixedDelay(Runnable command, long initialDelay, long delay,
                                                TimeUnit unit) {
          scheduledExecutorService.scheduleWithFixedDelay(command, initialDelay, delay, unit);
      }
  
  }
  