content: /*
   * Copyright 1999-2023 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.console.handler.impl.remote.naming;
  
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.model.Page;
  import com.alibaba.nacos.api.naming.pojo.Instance;
  import com.alibaba.nacos.console.handler.impl.ConditionFunctionEnabled;
  import com.alibaba.nacos.console.handler.impl.remote.EnabledRemoteHandler;
  import com.alibaba.nacos.console.handler.impl.remote.NacosMaintainerClientHolder;
  import com.alibaba.nacos.console.handler.naming.InstanceHandler;
  import com.alibaba.nacos.core.utils.PageUtil;
  import com.alibaba.nacos.naming.model.form.InstanceForm;
  import org.springframework.context.annotation.Conditional;
  import org.springframework.stereotype.Service;
  
  import java.util.List;
  
  /**
   * Remote Implementation of InstanceHandler that handles instance-related operations.
   *
   * @author xiweng.yy
   */
  @Service
  @EnabledRemoteHandler
  @Conditional(ConditionFunctionEnabled.ConditionNamingEnabled.class)
  public class InstanceRemoteHandler implements InstanceHandler {
      
      private final NacosMaintainerClientHolder clientHolder;
      
      public InstanceRemoteHandler(NacosMaintainerClientHolder clientHolder) {
          this.clientHolder = clientHolder;
      }
      
      @Override
      public Page<? extends Instance> listInstances(String namespaceId, String serviceNameWithoutGroup, String groupName,
              String clusterName, int page, int pageSize) throws NacosException {
          List<Instance> instances = clientHolder.getNamingMaintainerService()
                  .listInstances(namespaceId, groupName, serviceNameWithoutGroup, clusterName, false);
          return PageUtil.subPage(instances, page, pageSize);
      }
      
      @Override
      public void updateInstance(InstanceForm instanceForm, Instance instance) throws NacosException {
          clientHolder.getNamingMaintainerService()
                  .updateInstance(instanceForm.getNamespaceId(), instanceForm.getGroupName(),
                          instanceForm.getServiceName(), instance);
      }
  }
  
  