DeleteDictCmd.java
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/*
* Copyright 2017-2020 吴学文 and java110 team.
*
* 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.java110.dev.cmd.dict;
import com.alibaba.fastjson.JSONObject;
import com.java110.core.annotation.Java110Cmd;
import com.java110.core.annotation.Java110Transactional;
import com.java110.core.context.ICmdDataFlowContext;
import com.java110.core.event.cmd.Cmd;
import com.java110.core.event.cmd.CmdEvent;
import com.java110.core.factory.GenerateCodeFactory;
import com.java110.intf.dev.IDictV1InnerServiceSMO;
import com.java110.po.dict.DictPo;
import com.java110.utils.exception.CmdException;
import com.java110.utils.util.Assert;
import com.java110.utils.util.BeanConvertUtil;
import com.java110.vo.ResultVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 类表述：删除字典数据命令类
* 服务编码：dict.deleteDict
* 请求路径：/app/dict.DeleteDict
* add by 吴学文 at 2022-07-06 20:03:58 mail: 928255095@qq.com
* open source address: https://gitee.com/wuxw7/MicroCommunity
* 官网：http://www.homecommunity.cn
* 温馨提示：如果您对此文件进行修改 请不要删除原有作者及注释信息，请补充您的 修改的原因以及联系邮箱如下
* // modify by 张三 at 2021-09-12 第10行在某种场景下存在某种bug 需要修复，注释10至20行 加入 20行至30行
*/
@Java110Cmd(serviceCode = "dict.deleteDict")
public class DeleteDictCmd extends Cmd {
/**
* 日志记录器
*/
private static Logger logger = LoggerFactory.getLogger(DeleteDictCmd.class);
/**
* 字典服务接口
*/
@Autowired
private IDictV1InnerServiceSMO dictV1InnerServiceSMOImpl;
/**
* 参数校验方法
*
* @param event 命令事件
* @param cmdDataFlowContext 命令数据流上下文
* @param reqJson 请求参数JSON对象
* @throws CmdException 当参数校验失败时抛出异常
*
* 功能说明：
* 1. 校验请求参数中必须包含id字段
* 2. 确保删除操作有明确的标识
*/
@Override
public void validate(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) {
// 校验请求参数中必须包含id字段
Assert.hasKeyAndValue(reqJson, "id", "id不能为空");
}
/**
* 执行删除字典命令
*
* @param event 命令事件
* @param cmdDataFlowContext 命令数据流上下文
* @param reqJson 请求参数JSON对象
* @throws CmdException 当删除操作失败时抛出异常
*
* 功能说明：
* 1. 将请求参数转换为字典对象
* 2. 调用字典服务执行删除操作
* 3. 检查删除结果，失败时抛出异常
* 4. 设置响应结果为成功
*
* 事务说明：
* 使用@Java110Transactional注解确保删除操作的原子性
*/
@Override
@Java110Transactional
public void doCmd(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) throws CmdException {
// 将请求JSON参数转换为字典对象
DictPo dictPo = BeanConvertUtil.covertBean(reqJson, DictPo.class);
// 调用字典服务执行删除操作
int flag = dictV1InnerServiceSMOImpl.deleteDict(dictPo);
// 检查删除结果，如果影响行数小于1说明删除失败
if (flag < 1) {
throw new CmdException("删除数据失败");
}
// 设置响应结果为成功
cmdDataFlowContext.setResponseEntity(ResultVo.success());
}
}