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.monitor;
  
  import com.alibaba.nacos.config.server.service.notify.AsyncNotifyService;
  import com.alibaba.nacos.config.server.utils.ConfigExecutor;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.scheduling.annotation.Scheduled;
  import org.springframework.stereotype.Service;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * Memory monitor.
   *
   * @author Nacos
   */
  @Service
  public class MemoryMonitor {
      
      @Autowired
      public MemoryMonitor(AsyncNotifyService notifySingleService) {
          
          ConfigExecutor.scheduleConfigTask(new PrintMemoryTask(), DELAY_SECONDS, DELAY_SECONDS, TimeUnit.SECONDS);
          
          ConfigExecutor
                  .scheduleConfigTask(new PrintGetConfigResponeTask(), DELAY_SECONDS, DELAY_SECONDS, TimeUnit.SECONDS);
          
          ConfigExecutor
                  .scheduleConfigTask(new ThreadTaskQueueMonitorTask(notifySingleService), DELAY_SECONDS, DELAY_SECONDS,
                          TimeUnit.SECONDS);
          
      }
      
      private static final long DELAY_SECONDS = 10;
      
      /**
       * reset some metrics to 0 every day.
       */
      @Scheduled(cron = "0 0 0 * * ?")
      public void clear() {
          MetricsMonitor.getConfigMonitor().set(0);
          MetricsMonitor.getPublishMonitor().set(0);
          MetricsMonitor.getFuzzySearchMonitor().set(0);
      }
  }