content: /*
   * Copyright 1999-2020 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.core.utils;
  
  import com.alibaba.nacos.common.utils.NumberUtils;
  
  /**
   * util of remote.
   *
   * @author liuzunfei
   * @version $Id: RemoteUtils.java, v 0.1 2020年11月12日 8:54 PM liuzunfei Exp $
   */
  public class RemoteUtils {
      
      public static final float LOADER_FACTOR = 0.1f;
      
      /**
       * Default remote execute times for CPU count of task processors.
       */
      private static final int REMOTE_EXECUTOR_TIMES_OF_PROCESSORS = 1 << 4;
      
      /**
       * Default remote execute queue size: 16384.
       */
      private static final int REMOTE_EXECUTOR_QUEUE_SIZE = 1 << 14;
      
      /**
       * get remote executors thread times of processors,default is 16. see the usage of this method for detail.
       *
       * @return times of processors.
       */
      public static int getRemoteExecutorTimesOfProcessors() {
          String timesString = System.getProperty("remote.executor.times.of.processors");
          if (NumberUtils.isDigits(timesString)) {
              int times = Integer.parseInt(timesString);
              return times > 0 ? times : REMOTE_EXECUTOR_TIMES_OF_PROCESSORS;
          } else {
              return REMOTE_EXECUTOR_TIMES_OF_PROCESSORS;
          }
      }
      
      public static int getRemoteExecutorQueueSize() {
          String queueSizeString = System.getProperty("remote.executor.queue.size");
          if (NumberUtils.isDigits(queueSizeString)) {
              int size = Integer.parseInt(queueSizeString);
              return size > 0 ? size : REMOTE_EXECUTOR_QUEUE_SIZE;
          } else {
              return REMOTE_EXECUTOR_QUEUE_SIZE;
          }
      }
  }
  