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.naming.healthcheck.heartbeat;
  
  import com.alibaba.nacos.naming.core.v2.client.Client;
  import com.alibaba.nacos.naming.core.v2.pojo.HealthCheckInstancePublishInfo;
  import com.alibaba.nacos.naming.core.v2.pojo.Service;
  
  /**
   * Instance heart beat checker.
   *
   * @author xiweng.yy
   */
  public interface InstanceBeatChecker {
      
      /**
       * Do check for input instance.
       *
       * @param client   client
       * @param service  service of instance
       * @param instance instance publish info
       */
      void doCheck(Client client, Service service, HealthCheckInstancePublishInfo instance);
  }
  