February 2013
Intermediate to advanced
656 pages
21h 26m
English
Content preview from Implementing Domain-Driven Design
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Rethinking the Design, Again
After the refactoring iteration that broke up the large-cluster Product, the BacklogItem now stands alone as its own Aggregate. It reflects the model presented in Figure 10.7. The team composed a collection of Task instances inside the BacklogItem Aggregate. Each BacklogItem has a globally unique identity, its BacklogItemId. All associations to other Aggregates are inferred through identities. That means its parent Product, the Release it is scheduled within, and the Sprint to which it is committed are referenced by identities. It seems fairly small.
Figure 10.7. The fully composed BacklogItem Aggregate
With the team ...
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