Factory Method on Aggregate Root
Throughout the three sample Bounded Contexts there are Factory sites on Aggregate Root Entities, of which Table 11.1 provides a summary.
Table 11.1. Sites of Factory Methods on Aggregates
I discuss the Product Factory Methods under Aggregates (10). For example, its method planBacklogItem() creates a new BacklogItem, which is an Aggregate that is subsequently returned to the client.
To demonstrate the design of Factory Methods, let’s look at the three in the Collaboration Context.
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