content: /*
   * Copyright 1999-2024 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.dump;
  
  import com.alibaba.nacos.api.utils.StringUtils;
  import com.alibaba.nacos.core.config.AbstractDynamicConfig;
  import com.alibaba.nacos.sys.env.EnvUtil;
  
  /**
   * The type History config cleaner config.
   * @author Sunrisea
   */
  public class HistoryConfigCleanerConfig extends AbstractDynamicConfig {
      
      private static final String HISTORY_CONFIG_CLEANER = "historyConfigCleaner";
      
      private static final HistoryConfigCleanerConfig INSTANCE = new HistoryConfigCleanerConfig();
      
      private String activeHistoryConfigCleaner = "nacos";
      
      private HistoryConfigCleanerConfig() {
          super(HISTORY_CONFIG_CLEANER);
          resetConfig();
      }
      
      /**
       * Gets instance.
       *
       * @return the instance
       */
      public static HistoryConfigCleanerConfig getInstance() {
          return INSTANCE;
      }
      
      @Override
      protected void getConfigFromEnv() {
          activeHistoryConfigCleaner = EnvUtil.getProperty("nacos.config.history.clear.name", String.class, "nacos");
          if (StringUtils.isBlank(activeHistoryConfigCleaner)) {
              activeHistoryConfigCleaner = "nacos";
          }
      }
      
      /**
       * Gets active history config cleaner.
       *
       * @return the active history config cleaner
       */
      public String getActiveHistoryConfigCleaner() {
          return activeHistoryConfigCleaner;
      }
      
      /**
       * Sets active history config cleaner.
       *
       * @param activeHistoryConfigCleaner the active history config cleaner
       */
      public void setActiveHistoryConfigCleaner(String activeHistoryConfigCleaner) {
          this.activeHistoryConfigCleaner = activeHistoryConfigCleaner;
      }
      
      @Override
      protected String printConfig() {
          return "activeHistoryConfigCleaner{ " + "activeHistoryConfigCleaner=" + activeHistoryConfigCleaner + "}";
      }
  }
  