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1vote
2answers
3kviews

Relationship between entities in different aggregates and size of aggregate

I read a lot about DDD but few thing are still unclear. At this moment I have two dilemma The size of aggregates. How small could be an aggregate? For example we have: class Car { String colorId ...
pin54's user avatar
5votes
6answers
2kviews

UML aggregation: how can the "whole" exist without its "parts"?

I understand aggregation is a "whole/part" relationship, where the "parent" class is the whole and the "child" class is the part (and this is unidirectional), and that each class exist independently (...
Floella's user avatar
0votes
2answers
8kviews

Many to many relations in Domain Driven Design

I am new at domain driven design, and want to learn some about aggregates. For example I have a User and Role entities. public class User { public string Id {get; set;} public string Username ...
barteloma's user avatar
0votes
0answers
74views

How to model relationships in scenario where every product can (don't have to) be associated to only one category

This one still occupies my mind. How do you model 1:N relationships. Consider having a category and product (typical e-commerce scenario). Every product can (don't have to) be associated to only one ...
František Maša's user avatar

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