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Domain-driven design (DDD) is a major software design approach, [1] focusing on modeling software to match a domain according to input from that domain's experts. [2] DDD is against the idea of having a single unified model; instead it divides a large system into bounded contexts, each of which have their own model.
An example process from an event storming. Event storming is a workshop-based method to quickly find out what is happening in the domain of a software program. [1] [2] Compared to other methods it is extremely lightweight and intentionally requires no support by a computer. The result is expressed in sticky notes on a wide wall.
Sample domain model for a health insurance plan. In software engineering, a domain model is a conceptual model of the domain that incorporates both behavior and data. [1] [2] In ontology engineering, a domain model is a formal representation of a knowledge domain with concepts, roles, datatypes, individuals, and rules, typically grounded in a description logic.
In computer programming, the specification pattern is a particular software design pattern, whereby business rules can be recombined by chaining the business rules together using boolean logic. The pattern is frequently used in the context of domain-driven design.
The name Specification by Example was coined by Martin Fowler in 2004. [9] Specification by Example is an evolution of the Customer Test [10] practice of Extreme Programming proposed around 1997 and Ubiquitous Language [11] idea from Domain-driven design from 2004, using the idea of black-box tests as requirements described by Weinberg and ...
So, for example, while a bank account may offer a primitive for increasing the balance, it would have no method called deposit. Such operations belong instead in the interaction part of DCI. [1] Data objects are instances of classes that might come from domain-driven design, and such classes might use subtyping relationships to organize domain ...
In model-driven engineering, many examples of domain-specific languages may be found like OCL, a language for decorating models with assertions or QVT, a domain-specific transformation language. However, languages like UML are typically general-purpose modeling languages.
Behavior-driven development; Design-driven development; Domain-driven design; Secure by design; Test-driven development. Acceptance test-driven development; Continuous test-driven development; Specification by example; Data-driven development; Data-oriented design