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Implementing Domain-Driven Design by Vaughn Vernon

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Wrap-Up

In this chapter we looked in depth at implementing Repositories.

• You learned about collection-oriented and persistence-oriented Repositories, and why to use one or the other.

• You saw how to implement Repositories for Hibernate, TopLink, Coherence, and MongoDB.

• You investigated why you might need additional behavior on a Repository’s interface.

• You considered how transactions play into the use of Repositories.

• You are now familiar with the challenges of designing Repositories for type hierarchies.

• You looked at some fundamental differences between Repositories and Data Access Objects.

• You saw how to test Repositories and different ways to test using Repositories.

Next, we’ll shift gears and take a careful look at integrating ...

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