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.push.v2.task;
  
  import com.alibaba.nacos.common.task.NacosTask;
  import com.alibaba.nacos.common.task.NacosTaskProcessor;
  import com.alibaba.nacos.common.task.engine.NacosDelayTaskExecuteEngine;
  import com.alibaba.nacos.naming.core.v2.client.manager.ClientManager;
  import com.alibaba.nacos.naming.core.v2.index.ClientServiceIndexesManager;
  import com.alibaba.nacos.naming.core.v2.index.ServiceStorage;
  import com.alibaba.nacos.naming.core.v2.metadata.NamingMetadataManager;
  import com.alibaba.nacos.naming.core.v2.pojo.Service;
  import com.alibaba.nacos.naming.misc.Loggers;
  import com.alibaba.nacos.naming.misc.NamingExecuteTaskDispatcher;
  import com.alibaba.nacos.naming.misc.SwitchDomain;
  import com.alibaba.nacos.naming.push.v2.executor.PushExecutor;
  
  /**
   * Nacos naming push delay task execute engine.
   *
   * @author xiweng.yy
   */
  public class PushDelayTaskExecuteEngine extends NacosDelayTaskExecuteEngine {
      
      private final ClientManager clientManager;
      
      private final ClientServiceIndexesManager indexesManager;
      
      private final ServiceStorage serviceStorage;
      
      private final NamingMetadataManager metadataManager;
  
      private final PushExecutor pushExecutor;
      
      private final SwitchDomain switchDomain;
      
      public PushDelayTaskExecuteEngine(ClientManager clientManager, ClientServiceIndexesManager indexesManager,
                                        ServiceStorage serviceStorage, NamingMetadataManager metadataManager,
                                        PushExecutor pushExecutor, SwitchDomain switchDomain) {
          super(PushDelayTaskExecuteEngine.class.getSimpleName(), Loggers.PUSH);
          this.clientManager = clientManager;
          this.indexesManager = indexesManager;
          this.serviceStorage = serviceStorage;
          this.metadataManager = metadataManager;
          this.pushExecutor = pushExecutor;
          this.switchDomain = switchDomain;
          setDefaultTaskProcessor(new PushDelayTaskProcessor(this));
      }
      
      public ClientManager getClientManager() {
          return clientManager;
      }
      
      public ClientServiceIndexesManager getIndexesManager() {
          return indexesManager;
      }
      
      public ServiceStorage getServiceStorage() {
          return serviceStorage;
      }
      
      public NamingMetadataManager getMetadataManager() {
          return metadataManager;
      }
  
      public PushExecutor getPushExecutor() {
          return pushExecutor;
      }
      
      @Override
      protected void processTasks() {
          if (!switchDomain.isPushEnabled()) {
              return;
          }
          super.processTasks();
      }
      
      private static class PushDelayTaskProcessor implements NacosTaskProcessor {
          
          private final PushDelayTaskExecuteEngine executeEngine;
          
          public PushDelayTaskProcessor(PushDelayTaskExecuteEngine executeEngine) {
              this.executeEngine = executeEngine;
          }
          
          @Override
          public boolean process(NacosTask task) {
              PushDelayTask pushDelayTask = (PushDelayTask) task;
              Service service = pushDelayTask.getService();
              NamingExecuteTaskDispatcher.getInstance()
                      .dispatchAndExecuteTask(service, new PushExecuteTask(service, executeEngine, pushDelayTask));
              return true;
          }
      }
  }
  