Java – many to many in mongodb configured with spring (comments first)

I'm modeling a pattern Since I am a novice of Mongo dB, I don't know how to model NoSQL database

Using spring data is really in the list Above, @ dbref is used to support one to many But many people are what I want

Any help will be greatly appreciated Please prefer to use code to explain Or demonstrate the structure Thank you in advance

Solution

There are several ways to implement many - to - many in mongodb

I think the simplest is:

Many to many relationship scenario:

After de Standardization:

Your spring data code looks like this:

public class Category {

    @Id
    private ObjectId id;

    private String category_name;

    @DbRef
    private List<Product> products_ids;

    // ... getters and setters ...

}

public class Product {

    @Id
    private ObjectId id;

    private String product_name;

    @DbRef
    private List<Category> categories_ids;

    // ... getters and setters ...

}