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.druid.wall;
  
  import com.alibaba.druid.DbType;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class WallContext {
      private static final ThreadLocal<WallContext> contextLocal = new ThreadLocal<WallContext>();
  
      private WallSqlStat sqlStat;
      private Map<String, WallSqlTableStat> tableStats;
      private Map<String, WallSqlFunctionStat> functionStats;
      private final DbType dbType;
      private int commentCount;
      private int warnings;
      private int unionWarnings;
      private int updateNoneConditionWarnings;
      private int deleteNoneConditionWarnings;
      private int likeNumberWarnings;
  
      private List<WallUpdateCheckItem> wallUpdateCheckItems;
  
      public WallContext(String dbType) {
          this(DbType.of(dbType));
      }
  
      public WallContext(DbType dbType) {
          this.dbType = dbType;
      }
  
      public void incrementFunctionInvoke(String tableName) {
          if (functionStats == null) {
              functionStats = new HashMap<String, WallSqlFunctionStat>();
          }
  
          String lowerCaseName = tableName.toLowerCase();
  
          WallSqlFunctionStat stat = functionStats.get(lowerCaseName);
          if (stat == null) {
              if (functionStats.size() > 100) {
                  return;
              }
  
              stat = new WallSqlFunctionStat();
              functionStats.put(tableName, stat);
          }
  
          stat.incrementInvokeCount();
      }
  
      public WallSqlTableStat getTableStat(String tableName) {
          if (tableStats == null) {
              tableStats = new HashMap<String, WallSqlTableStat>(2);
          }
  
          String lowerCaseName = tableName.toLowerCase();
  
          WallSqlTableStat stat = tableStats.get(lowerCaseName);
          if (stat == null) {
              if (tableStats.size() > 100) {
                  return null;
              }
  
              stat = new WallSqlTableStat();
              tableStats.put(tableName, stat);
          }
          return stat;
      }
  
      public static WallContext createIfNotExists(DbType dbType) {
          WallContext context = contextLocal.get();
          if (context == null) {
              context = new WallContext(dbType);
              contextLocal.set(context);
          }
          return context;
      }
  
      public static WallContext create(String dbType) {
          return create(DbType.of(dbType));
      }
  
      public static WallContext create(DbType dbType) {
          WallContext context = new WallContext(dbType);
          contextLocal.set(context);
          return context;
      }
  
      public static WallContext current() {
          return contextLocal.get();
      }
  
      public static void clearContext() {
          contextLocal.remove();
      }
  
      public static void setContext(WallContext context) {
          contextLocal.set(context);
      }
  
      public WallSqlStat getSqlStat() {
          return sqlStat;
      }
  
      public void setSqlStat(WallSqlStat sqlStat) {
          this.sqlStat = sqlStat;
      }
  
      public Map<String, WallSqlTableStat> getTableStats() {
          return tableStats;
      }
  
      public Map<String, WallSqlFunctionStat> getFunctionStats() {
          return functionStats;
      }
  
      public DbType getDbType() {
          return dbType;
      }
  
      public int getCommentCount() {
          return commentCount;
      }
  
      public void incrementCommentCount() {
          if (this.commentCount == 0) {
              this.warnings++;
          }
          this.commentCount++;
      }
  
      public int getWarnings() {
          return warnings;
      }
  
      public void incrementWarnings() {
          this.warnings++;
      }
  
      public int getLikeNumberWarnings() {
          return likeNumberWarnings;
      }
  
      public void incrementLikeNumberWarnings() {
          if (likeNumberWarnings == 0) {
              this.warnings++;
          }
          likeNumberWarnings++;
      }
  
      public int getUnionWarnings() {
          return unionWarnings;
      }
  
      public void incrementUnionWarnings() {
          if (this.unionWarnings == 0) {
              this.incrementWarnings();
          }
          this.unionWarnings++;
      }
  
      public int getUpdateNoneConditionWarnings() {
          return updateNoneConditionWarnings;
      }
  
      public void incrementUpdateNoneConditionWarnings() {
          // if (this.updateNoneConditionWarnings == 0) {
          // this.incrementWarnings();
          // }
          this.updateNoneConditionWarnings++;
      }
  
      public int getDeleteNoneConditionWarnings() {
          return deleteNoneConditionWarnings;
      }
  
      public void incrementDeleteNoneConditionWarnings() {
          // if (this.deleteNoneConditionWarnings == 0) {
          // this.incrementWarnings();
          // }
          this.deleteNoneConditionWarnings++;
      }
  
      public List<WallUpdateCheckItem> getWallUpdateCheckItems() {
          return wallUpdateCheckItems;
      }
  
      public void setWallUpdateCheckItems(List<WallUpdateCheckItem> wallUpdateCheckItems) {
          this.wallUpdateCheckItems = wallUpdateCheckItems;
      }
  }
  