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.csp.sentinel.init;
  
  import com.alibaba.csp.sentinel.slots.statistic.ParamFlowStatisticEntryCallback;
  import com.alibaba.csp.sentinel.slots.statistic.ParamFlowStatisticExitCallback;
  import com.alibaba.csp.sentinel.slots.statistic.StatisticSlotCallbackRegistry;
  
  /**
   * Init function for adding callbacks to {@link StatisticSlotCallbackRegistry} to record metrics
   * for frequent parameters in {@link com.alibaba.csp.sentinel.slots.statistic.StatisticSlot}.
   *
   * @author Eric Zhao
   * @since 0.2.0
   */
  public class ParamFlowStatisticSlotCallbackInit implements InitFunc {
  
      @Override
      public void init() {
          StatisticSlotCallbackRegistry.addEntryCallback(ParamFlowStatisticEntryCallback.class.getName(),
              new ParamFlowStatisticEntryCallback());
          StatisticSlotCallbackRegistry.addExitCallback(ParamFlowStatisticExitCallback.class.getName(),
              new ParamFlowStatisticExitCallback());
      }
  }
  