com.huaweicloud.sermant.mariadbv2.interceptors.ExecuteBatchStmtInterceptor Maven / Gradle / Ivy
/*
* Copyright (C) 2024-2024 Huawei Technologies Co., Ltd. All rights reserved.
*
* 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.huaweicloud.sermant.mariadbv2.interceptors;
import com.huaweicloud.sermant.core.plugin.agent.entity.ExecuteContext;
import com.huaweicloud.sermant.database.config.DatabaseWriteProhibitionManager;
import com.huaweicloud.sermant.database.controller.DatabaseController;
import com.huaweicloud.sermant.database.handler.DatabaseHandler;
import com.huaweicloud.sermant.database.utils.SqlParserUtils;
import java.util.List;
/**
* executeBatchStmt方法拦截器
*
* @author daizhenyu
* @since 2024-01-26
**/
public class ExecuteBatchStmtInterceptor extends AbstractMariadbV2Interceptor {
private static final int PARAM_INDEX = 2;
/**
* 无参构造方法
*/
public ExecuteBatchStmtInterceptor() {
}
/**
* 有参构造方法
*
* @param handler 写操作处理器
*/
public ExecuteBatchStmtInterceptor(DatabaseHandler handler) {
this.handler = handler;
}
@Override
protected ExecuteContext doBefore(ExecuteContext context) {
String database = getDataBaseInfo(context).getDatabaseName();
if (!DatabaseWriteProhibitionManager.getMySqlProhibitionDatabases().contains(database)) {
return context;
}
List sqlList = (List) context.getArguments()[PARAM_INDEX];
for (String sql : sqlList) {
if (SqlParserUtils.isWriteOperation(sql)) {
DatabaseController.disableDatabaseWriteOperation(database, context);
return context;
}
}
return context;
}
}