content: /*
   * Copyright 1999-2020 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.push.v2.executor;
  
  import com.alibaba.nacos.api.naming.remote.request.AbstractFuzzyWatchNotifyRequest;
  import com.alibaba.nacos.api.remote.PushCallBack;
  import com.alibaba.nacos.naming.core.v2.client.impl.IpPortBasedClient;
  import com.alibaba.nacos.naming.pojo.Subscriber;
  import com.alibaba.nacos.naming.push.v2.PushDataWrapper;
  import com.alibaba.nacos.naming.push.v2.task.NamingPushCallback;
  import org.springframework.stereotype.Component;
  
  import java.util.Optional;
  
  /**
   * Delegate for push execute service.
   *
   * @author xiweng.yy
   */
  @SuppressWarnings("PMD.ServiceOrDaoClassShouldEndWithImplRule")
  @Component
  public class PushExecutorDelegate implements PushExecutor {
      
      private final PushExecutorRpcImpl rpcPushExecuteService;
      
      private final PushExecutorUdpImpl udpPushExecuteService;
      
      public PushExecutorDelegate(PushExecutorRpcImpl rpcPushExecuteService, PushExecutorUdpImpl udpPushExecuteService) {
          this.rpcPushExecuteService = rpcPushExecuteService;
          this.udpPushExecuteService = udpPushExecuteService;
      }
      
      @Override
      public void doPush(String clientId, Subscriber subscriber, PushDataWrapper data) {
          getPushExecuteService(clientId, subscriber).doPush(clientId, subscriber, data);
      }
      
      @Override
      public void doPushWithCallback(String clientId, Subscriber subscriber, PushDataWrapper data,
              NamingPushCallback callBack) {
          getPushExecuteService(clientId, subscriber).doPushWithCallback(clientId, subscriber, data, callBack);
      }
      
      @Override
      public void doFuzzyWatchNotifyPushWithCallBack(String clientId, AbstractFuzzyWatchNotifyRequest watchNotifyRequest,
              PushCallBack callBack) {
          // only support fuzzy watch by rpc
          rpcPushExecuteService.doFuzzyWatchNotifyPushWithCallBack(clientId, watchNotifyRequest, callBack);
      }
      
      private PushExecutor getPushExecuteService(String clientId, Subscriber subscriber) {
          Optional<SpiPushExecutor> result = SpiImplPushExecutorHolder.getInstance()
                  .findPushExecutorSpiImpl(clientId, subscriber);
          if (result.isPresent()) {
              return result.get();
          }
          // use nacos default push executor
          return clientId.contains(IpPortBasedClient.ID_DELIMITER) ? udpPushExecuteService : rpcPushExecuteService;
      }
  }
  