Full Stack Development with JHipster

Relationships

Now that we have defined our entities, let's add relationships between them:

1. Add the following snippet for relationships into the JDL Studio editor:

relationship OneToOne {    Customer{user} to User}

The first relationship declared is a unidirectional OneToOne between a Customer entity and the inbuilt User entity: 

Customer (1) -----> (1) User

It means the Customer entity knows about the User and is the owner of the relationship but the User doesn't know about the Customer and hence we will not be able to obtain customers from a User. This lets us map customers to the User entity and use that for authorization purposes later ensuring one customer can be mapped only to one system user.

2. Add this snippet for relationships into ...