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.csp.sentinel.datasource.spring.cloud.config;
  
  import org.springframework.core.env.PropertySource;
  
  /**
   * Storage data pull from spring-config-cloud server
   * And notice ${@link SpringCloudConfigDataSource} update latest values
   *
   * @author lianglin
   * @since 1.7.0
   */
  public class SentinelRuleStorage {
  
      public static PropertySource<?> rulesSource;
  
      public static void setRulesSource(PropertySource<?> source) {
          rulesSource = source;
          noticeSpringCloudDataSource();
      }
  
      public static String retrieveRule(String ruleKey) {
          return rulesSource == null ? null : (String) rulesSource.getProperty(ruleKey);
      }
  
      private static void noticeSpringCloudDataSource(){
          SpringCloudConfigDataSource.updateValues();
      }
  
  }
  