/* Copyright [2020] [https://www.xiaonuo.vip] 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. Snowy采用APACHE LICENSE 2.0开源协议,您在使用过程中,需要注意以下几点: 1.请不要删除和修改根目录下的LICENSE文件。 2.请不要删除和修改Snowy源码头部的版权声明。 3.请保留源码和相关描述文件的项目出处,作者声明等。 4.分发源码时候,请注明软件出处 https://gitee.com/xiaonuobase/snowy 5.在修改包名,模块名称,项目代码等时,请注明软件出处 https://gitee.com/xiaonuobase/snowy 6.若您的项目无法满足以上几点,可申请商业授权,获取Snowy商业授权许可,请在官网购买授权,地址为 https://www.xiaonuo.vip */ package vip.xiaonuo.core.validation.unique; import vip.xiaonuo.core.consts.CommonConstant; import javax.validation.Constraint; import javax.validation.Payload; import java.lang.annotation.*; import static java.lang.annotation.RetentionPolicy.RUNTIME; /** * 验证表的的某个字段值是否在是唯一值 * * @author yubaoshan * @date 2020/4/14 23:49 */ @Documented @Constraint(validatedBy = TableUniqueValueValidator.class) @Target({ElementType.FIELD, ElementType.PARAMETER}) @Retention(RetentionPolicy.RUNTIME) public @interface TableUniqueValue { String message() default "库中存在重复编码,请更换该编码值"; Class[] groups() default {}; Class[] payload() default {}; /** * 表名称,例如 sys_user */ String tableName(); /** * 列名称,例如 user_code */ String columnName(); /** * 是否开启状态校验,默认是关闭的 *

* 关于为何开启状态校验: *

* 若项目中某个表包含控制逻辑删除的字段,我们在进行唯一值校验的时候要排除这种状态的记录,所以需要用到这个功能 */ boolean excludeLogicDeleteItems() default false; /** * 标识状态的字段名 */ String logicDeleteFieldName() default CommonConstant.STATUS; /** * 逻辑删除的值(默认2是删除),用string是为了更通用 */ String logicDeleteValue() default CommonConstant.DEFAULT_LOGIC_DELETE_VALUE; @Target({ElementType.FIELD, ElementType.PARAMETER}) @Retention(RUNTIME) @Documented @interface List { TableUniqueValue[] value(); } }