Domain-Driven Design Distilled by Vernon Vaughn

Author:Vernon, Vaughn [Vernon, Vaughn]
Language: eng
Format: epub
Publisher: Pearson Education
Published: 2016-06-01T04:00:00+00:00

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What Is an Entity?

An Entity models an individual thing. Each Entity has a unique identity in that you can distinguish its individuality from among all other Entities of the same or a different type. Many times, perhaps even most times, an Entity will be mutable; that is, its state will change over time. Still, an Entity is not of necessity mutable and may be immutable. The main thing that separates an Entity from other modeling tools is its uniqueness—its individuality.

See Implementing Domain-Driven Design [IDDD] for an exhaustive treatment of Entities.

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