/**
* Copyright (c) 2011-2014, hubin (jobob@qq.com).
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.baomidou.mybatisplus.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import com.baomidou.mybatisplus.enums.FieldStrategy;
/**
* <p>
* 表字段标识
* </p>
*
* @author hubin sjy
* @since 2016-09-09
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface TableField {
/**
* <p>
* 字段值(驼峰命名方式,该值可无)
* </p>
*/
String value() default "";
/**
* <p>
* 当该Field为类对象时, 可使用#{对象.属性}来映射到数据表.
* </p>
* <p>
* 支持:@TableField(el = "role, jdbcType=BIGINT)<br>
* 支持:@TableField(el = "role, typeHandler=com.baomidou.xx.typehandler.PhoneTypeHandler")
* </p>
*/
String el() default "";
/**
* <p>
* 是否为数据库表字段
* </p>
* <p>
* 默认 true 存在,false 不存在
* </p>
*/
boolean exist() default true;
/**
* <p>
* 字段验证
* </p>
* <p>
* 默认 非 null 判断
* </p>
*/
FieldStrategy validate() default FieldStrategy.NOT_NULL;
}