content: package com.ruoyi.framework.websocket;
  
  import java.util.concurrent.Semaphore;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * 信号量相关处理
   * 
   * @author ruoyi
   */
  public class SemaphoreUtils
  {
      /**
       * SemaphoreUtils 日志控制器
       */
      private static final Logger LOGGER = LoggerFactory.getLogger(SemaphoreUtils.class);
  
      /**
       * 获取信号量
       * 
       * @param semaphore
       * @return
       */
      public static boolean tryAcquire(Semaphore semaphore)
      {
          boolean flag = false;
  
          try
          {
              flag = semaphore.tryAcquire();
          }
          catch (Exception e)
          {
              LOGGER.error("获取信号量异常", e);
          }
  
          return flag;
      }
  
      /**
       * 释放信号量
       * 
       * @param semaphore
       */
      public static void release(Semaphore semaphore)
      {
  
          try
          {
              semaphore.release();
          }
          catch (Exception e)
          {
              LOGGER.error("释放信号量异常", e);
          }
      }
  }
  