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.api.naming;
  
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.naming.pojo.Instance;
  import com.alibaba.nacos.api.naming.pojo.Service;
  import com.alibaba.nacos.api.selector.AbstractSelector;
  
  import java.util.Map;
  
  /**
   * Operations related to Nacos
   *
   * @author liaochuntao
   * @since 1.0.1
   */
  public interface NamingMaintainService {
  
      /**
       * update instance info
       *
       * @param serviceName
       * @param instance
       * @throws NacosException
       */
      void updateInstance(String serviceName, Instance instance) throws NacosException;
  
      /**
       * update instance info
       *
       * @param serviceName
       * @param groupName
       * @param instance
       * @throws NacosException
       */
      void updateInstance(String serviceName, String groupName, Instance instance) throws NacosException;
  
      /**
       * query service
       *
       * @param serviceName
       * @return
       * @throws NacosException
       */
      Service queryService(String serviceName) throws NacosException;
  
      /**
       * query service
       *
       * @param serviceName
       * @param groupName
       * @return
       * @throws NacosException
       */
      Service queryService(String serviceName, String groupName) throws NacosException;
  
      /**
       * create service to Nacos
       *
       * @param serviceName name of service
       * @throws NacosException
       */
      void createService(String serviceName) throws NacosException;
  
      /**
       * create service to Nacos
       *
       * @param serviceName name of service
       * @param groupName   group of service
       * @throws NacosException
       */
      void createService(String serviceName, String groupName) throws NacosException;
  
      /**
       * create service to Nacos
       *
       * @param serviceName           name of service
       * @param groupName             group of service
       * @param protectThreshold      protectThreshold of service
       * @throws NacosException
       */
      void createService(String serviceName, String groupName, float protectThreshold) throws NacosException;
  
      /**
       * create service to Nacos
       *
       * @param serviceName       name of service
       * @param groupName         group of service
       * @param protectThreshold  protectThreshold of service
       * @param expression        expression of selector
       * @throws NacosException
       */
      void createService(String serviceName, String groupName, float protectThreshold, String expression) throws NacosException;
  
      /**
       * create service to Nacos
       *
       * @param service   name of service
       * @param selector  selector
       * @throws NacosException
       */
      void createService(Service service, AbstractSelector selector) throws NacosException;
  
      /**
       * delete service from Nacos
       *
       * @param serviceName name of service
       * @return if delete service success return true
       * @throws NacosException
       */
      boolean deleteService(String serviceName) throws NacosException;
  
      /**
       * delete service from Nacos
       *
       * @param serviceName name of service
       * @param groupName   group of service
       * @return if delete service success return true
       * @throws NacosException
       */
      boolean deleteService(String serviceName, String groupName) throws NacosException;
  
      /**
       * update service to Nacos
       *
       * @param serviceName       name of service
       * @param groupName         group of service
       * @param protectThreshold  protectThreshold of service
       * @throws NacosException
       */
      void updateService(String serviceName, String groupName, float protectThreshold) throws NacosException;
  
      /**
       * update service to Nacos
       *
       * @param serviceName       name of service
       * @param groupName         group of service
       * @param protectThreshold  protectThreshold of service
       * @param metadata          metadata of service
       * @throws NacosException
       */
      void updateService(String serviceName, String groupName, float protectThreshold, Map<String, String> metadata) throws NacosException;
  
      /**
       * update service to Nacos with selector
       *
       * @param service    {@link Service} pojo of service
       * @param selector   {@link AbstractSelector} pojo of selector
       * @throws NacosException
       */
      void updateService(Service service, AbstractSelector selector) throws NacosException;
  
  }
  