cn.schoolwow.quickdao.annotation.ForeignKey Maven / Gradle / Ivy

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package cn.schoolwow.quickdao.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface ForeignKey {
    /**
     * 关联到哪张表
     */
    Class table();

    /**
     * 关联到哪个字段
     */
    String field() default "id";

    /**
     * 外键记录被更新的操作
     */
    ForeignKeyOption updateForeignKeyOption() default ForeignKeyOption.CASCADE;

    /**
     * 外键记录被删除时的操作
     */
    ForeignKeyOption deleteForeignKeyOption() default ForeignKeyOption.NOACTION;
}