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- Repository handles calling its implementation, then taking successful results and making those results into domain objects
- Each domain object is given a pointer to the repository
- Ideally, the repository argument would be optional — but then that specific domain object wouldn't be able to have its state changed
- All implementation details about how or where the repository stores the domain object is hidden in the implementation layer, and the domain's repository has no direct knowledge of those implementations
Application Services
Application services combine domain repositories with repository implementations, which are exposed through methods that implement flow control.
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