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Clean Architecture with Python
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Having established our core entities, value objects, and domain services, we now turn our attention to more advanced domain concepts. These concepts will help us create a more robust and flexible domain model, further enhancing our Clean Architecture implementation.
DDD offers several advanced patterns that can help us manage complexity and maintain consistency in our domain model. Let’s explore some of these patterns and how they apply to our task management system.
Aggregates are a crucial pattern in DDD for maintaining consistency and defining transactional boundaries within the domain. An aggregate is a cluster of domain objects that we treat as a single unit for data changes. Each aggregate has a root and a boundary. The root is a single, specific entity contained in the aggregate, and the boundary defines what is inside the aggregate.
In our task management system, a natural...