Domain Storytelling: A Collaborative, Visual, and Agile Way to Build Domain-Driven Software by Stefan Hofer & Henning Schwentner

Author:Stefan Hofer & Henning Schwentner [Stefan Hofer]
Language: eng
Format: epub
Publisher: Addison-Wesley Professional
Published: 2021-10-10T16:00:00+00:00

Sandy, a salesperson

Raymond, a risk manager

Charley, a customer service agent

Explore Alphorn—The Domain as a Whole

As the first step in getting to know Alphorn, we invite salesperson Sandy and risk manager Raymond to a workshop. Ideally, we would have invited real customers too. Since this is difficult in our situation, we invite someone who can represent the customers’ view: customer service agent Charley. In addition to the domain experts, the developers Denise and Dave are also on board because they will later have to write the software to support the new leasing processes.

We ask the domain experts to tell us a story that covers everything from the initial contact with a customer to returning the car after a three-year lease. Details are not important now; we just want to get an overview—a picture that will help us to discuss which activities should be supported by the new software and which are out of scope for the project.

Since the company leases cars to businesses and private customers, there are two potential stories to be told. We start with leasing to a private customer as this is the main target group for Alphorn’s new online service.

Customer service agent Charley: “The whole thing starts with the customer choosing a car from the catalog.”

Salesperson Sandy: “Yes, and after that they ask me for an offer.”

Modeler Henning: “I’ll draw that as sentences 1 and 2, starting at an actor ‘customer.’”

Sandy: “When I’ve been asked, I offer a contract for that car and….”

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