As Orders are processed, you want to notify other contexts, like Inventory and Customer Management. You define , like OrderPlaced and OrderFulfilled.
The Order entity has methods like CalculateTotal() and UpdateStatus(), which encapsulate business logic. The Money Value Object has methods like Add() and Subtract(). domain driven design eric evans ebook pdf 51
Imagine you're the lead developer of an e-commerce company that sells books online. Your company, "BookHub," wants to expand its platform to include features like personalized recommendations, loyalty programs, and same-day delivery. As Orders are processed, you want to notify
You create a for each domain, defining the boundaries within which a particular domain model applies. For example, the Ordering context includes the processes of creating, managing, and fulfilling orders. The Money Value Object has methods like Add() and Subtract()
You identify the Order entity as an , which defines the boundaries of a transaction. You create a Repository, OrderRepository, to manage the lifecycle of Orders.
With this new design, BookHub's platform is more scalable, maintainable, and adaptable to changing business needs. You've successfully applied Domain-Driven Design principles to create a robust and flexible e-commerce platform.