content: /*
   * Copyright 1999-2023 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.persistence.repository.embedded;
  
  import com.alibaba.nacos.persistence.repository.embedded.sql.ModifyRequest;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * Embedded storae context holder.
   *
   * @author xiweng.yy
   */
  public class EmbeddedStorageContextHolder {
      
      private static final ThreadLocal<ArrayList<ModifyRequest>> SQL_CONTEXT = ThreadLocal.withInitial(ArrayList::new);
      
      private static final ThreadLocal<Map<String, String>> EXTEND_INFO_CONTEXT = ThreadLocal.withInitial(HashMap::new);
      
      /**
       * Add sql context.
       *
       * @param sql  sql
       * @param args argument list
       */
      public static void addSqlContext(String sql, Object... args) {
          ArrayList<ModifyRequest> requests = SQL_CONTEXT.get();
          ModifyRequest context = new ModifyRequest();
          context.setExecuteNo(requests.size());
          context.setSql(sql);
          context.setArgs(args);
          requests.add(context);
          SQL_CONTEXT.set(requests);
      }
      
      /**
       * Add sql context.
       *
       * @param rollbackOnUpdateFail  roll back when update fail
       * @param sql  sql
       * @param args argument list
       */
      public static void addSqlContext(boolean rollbackOnUpdateFail, String sql, Object... args) {
          ArrayList<ModifyRequest> requests = SQL_CONTEXT.get();
          ModifyRequest context = new ModifyRequest();
          context.setExecuteNo(requests.size());
          context.setSql(sql);
          context.setArgs(args);
          context.setRollBackOnUpdateFail(rollbackOnUpdateFail);
          requests.add(context);
          SQL_CONTEXT.set(requests);
      }
      
      /**
       * Put extend info.
       *
       * @param key   key
       * @param value value
       */
      public static void putExtendInfo(String key, String value) {
          Map<String, String> old = EXTEND_INFO_CONTEXT.get();
          old.put(key, value);
          EXTEND_INFO_CONTEXT.set(old);
      }
      
      /**
       * Put all extend info.
       *
       * @param map all extend info
       */
      public static void putAllExtendInfo(Map<String, String> map) {
          Map<String, String> old = EXTEND_INFO_CONTEXT.get();
          old.putAll(map);
          EXTEND_INFO_CONTEXT.set(old);
      }
      
      /**
       * Determine if key is included.
       *
       * @param key key
       * @return {@code true} if contains key
       */
      public static boolean containsExtendInfo(String key) {
          Map<String, String> extendInfo = EXTEND_INFO_CONTEXT.get();
          boolean exist = extendInfo.containsKey(key);
          EXTEND_INFO_CONTEXT.set(extendInfo);
          return exist;
      }
      
      public static List<ModifyRequest> getCurrentSqlContext() {
          return SQL_CONTEXT.get();
      }
      
      public static Map<String, String> getCurrentExtendInfo() {
          return EXTEND_INFO_CONTEXT.get();
      }
      
      public static void cleanAllContext() {
          SQL_CONTEXT.remove();
          EXTEND_INFO_CONTEXT.remove();
      }
  }
  