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.constant;
  
  /**
   * counter mode.
   *
   * @author hexu.hxy
   * @date 2018/3/13
   */
  public enum CounterMode {
      
      /**
       * Increment.
       */
      INCREMENT,
      /**
       * Decrement.
       */
      DECREMENT;
      
      /**
       * Reverse the two mode value.
       *
       * @return CounterMode
       */
      public CounterMode reverse() {
          if (INCREMENT == this) {
              return DECREMENT;
          }
          return INCREMENT;
      }
  }
  