text: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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.otter.manager.biz.statistics.delay;
  
  /**
   * @author jianghang 2011-11-21 下午03:07:35
   * @version 4.0.0
   */
  public interface DelayCounter {
  
      public Long incAndGet(Long pipelineId, Long number);
  
      public Long decAndGet(Long pipelineId, Long number);
  
      public Long setAndGet(Long pipelineId, Long number);
  }
  