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.config.server.service;
  
  import com.alibaba.nacos.config.server.utils.PropertyUtil;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.ApplicationContextAware;
  import org.springframework.stereotype.Component;
  
  import static com.alibaba.nacos.core.utils.SystemUtils.STANDALONE_MODE;
  
  /**
   * datasource adapter
   *
   * @author Nacos
   */
  @Component
  public class DynamicDataSource implements ApplicationContextAware {
  
      @Autowired
      private PropertyUtil propertyUtil;
  
      private ApplicationContext applicationContext;
  
      @Override
      public void setApplicationContext(ApplicationContext applicationContext) {
          this.applicationContext = applicationContext;
      }
  
      public ApplicationContext getApplicationContext() {
          return applicationContext;
      }
  
      public DataSourceService getDataSource() {
          DataSourceService dataSourceService = null;
  
          if (STANDALONE_MODE && !propertyUtil.isStandaloneUseMysql()) {
              dataSourceService = (DataSourceService)applicationContext.getBean("localDataSourceService");
          } else {
              dataSourceService = (DataSourceService)applicationContext.getBean("basicDataSourceService");
          }
  
          return dataSourceService;
      }
  
  }
  