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.istio.api;
  
  import com.alibaba.nacos.istio.model.PushRequest;
  import io.envoyproxy.envoy.service.discovery.v3.Resource;
  
  import java.util.List;
  
  /**
   * This interface is used to generator mcp resources or xds data.
   *
   * @author special.fy
   */
  public interface ApiGenerator<T> {
  
      /**
       * Generate data based on resource snapshot.
       *
       * @param pushRequest Push Request
       * @return data
       */
      List<T> generate(PushRequest pushRequest);
      
      /**
       * Delta generate data based on resource snapshot.
       *
       * @param pushRequest Push Request
       * @return data
       */
      List<Resource> deltaGenerate(PushRequest pushRequest);
  }
  