jhipster - 如何创建实体与自身的关系？例如，分层文件夹

Question

我正在尝试创建分层文件夹结构。这是我的文件夹实体:

$ yo jhipster:entity Folder
The entity Folder is being created.
Generating field #1
? Do you want to add a field to your entity? Yes
? What is the name of your field? name
? What is the type of your field? String
? Do you want to add validation rules to your field? No
=================Folder=================
name (String)
Generating field #2
? Do you want to add a field to your entity? Yes
? What is the name of your field? parentId
? What is the type of your field? Long
? Do you want to add validation rules to your field? No
=================Folder=================
name (String)
parentId (Long)
Generating field #3
? Do you want to add a field to your entity? No
=================Folder=================
name (String)
parentId (Long)

我正试图找出我需要提供 jhipster 的实体生成器以使其工作的东西。这是我目前所拥有的...

Generating relationships with other entities
? Do you want to add a relationship to another entity? Yes
? What is the name of the other entity? Folder
? What is the name of the relationship? parent
? What is the type of the relationship? one-to-many
? What is the name of this relationship in the other entity? child

我走在正确的轨道上吗？如何创建子多对一关系？如果我尝试使用 Folder 实体创建它，我会收到警告。之后无法生成它。

Answer 1

您可以使用 https://jhipster.github.io/jdl-studio/用于编写 jdl 以创建实体。请访问https://jhipster.github.io/jhipster-uml/#jdl想要查询更多的信息。这是一个与自身有关系的示例 JDL:

entity RankProperties {
    rank Integer required,
    minExp Integer required,
    maxExp Integer required,
    maxStamina Integer required,
    maxAlly Integer required,
    maxTeam Integer required    
}
enum TaskMode {
    NO_CONTINUE_STAGE_COUNT,
    STAGE_COUNT,
    STAGE_ID
}

entity Task {
    taskMode TaskMode required,
    value Integer   required
}

relationship ManyToOne {
  Task{parent} to Task
}

dto all with mapstruct
service all with serviceClass