Questions tagged [modeling]
Creating and manipulating abstract representations of a problem or of software elements for the purpose of facilitating the understanding, reasoning, and solving of the problem.
246 questions
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Single or multiple use cases for alternative actions in the same flow?
I’m modeling a use case diagram for an online marketplace system.
In one of my use cases, the seller can perform three different actions:
Accept an offer → closes the negotiation,
Reject an offer → ...
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Anemic Models vs. Rich Models: When to Use?
I'm working on an application and have encountered two different approaches for organizing business logic. There's a general consensus that application rules should be handled in higher layers, so I ...
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Is it OK to use the same field in the database to store both a percentage rate and a fixed money fee?
I am trying to convince a colleague that their proposed approach to storing a "fee" is problematic.
The "fee" can be either
a percentage rate, e.g. 50%, which is stored in the ...
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Best practice to break-down requirements & architecture
This is kind of related to my previous post, but I believe it is rather a separate problem/question. I am seeking to improve the process of project development & system design at work. The way I ...
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BPMN: How can messages cross sub-process borders?
I need to send messages from within a subprocess. Now I read about the booking example and boundary events to and fro. But I am missing the concept how to pass information into and out of a sub-...
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Mixing up UML and non-UML diagrams
When designing a data-intensive software, or any kind of software, regardless of the platform, is it appropriate to mix UML and non-UML diagrams together in the design document of the software?
For ...
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For a refactoring tool, are I/O operations part of the core domain?
I'm working on a refactoring tool that makes necessary adjustments to a Rust project when moving a source file from one location to another.
Quick Explanation
In Rust, source files are known as "...
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Does the signature of a method create a dependency between the implementation of that method, and the code that invokes it?
I am reading Ousterhout's A Philosophy of Software Design. In Section 2.3, Outserhout writes:
The signature of a method creates a dependency between the implementation of that method and the code ...
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Can BPMN boundary events on subprocesses communicate in either direction?
My old post (which is hidden and will anyway be deleted by me later) seemed to cause confusion, so here is a new - hopefully clearer - question.
Thanks for your feedback @ JimmyJames, Jörg W Mittag, ...
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A Case Study Dataflow Diagram
From the book Essentials of Systems Analysis and Design by Joseph S. Valacich, Joey F. George, Jeffrey A. Hoffer, we have a study case, with the following 0 DFD :
This diagram raises the following ...
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Associations and References in UML Class Diagram
Is it possible to have an association without explicitly indicating the reference attributes in the participating classes in the UML class diagram?
For example, consider this example :
We can see ...
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BPMN - I think I need to split up a pool (consumer-provider-situation)
I thought this might be a thing to happen regularly, but I might be wrong.
I have a process that is quite clear in its structure.
But:
We are in a multi-provider environment and at the very beginning ...
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423
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Should I model constraints which are valid, but which have no current function in the domain?
When domain modelling, should a valid constraint - or "natural" constraint - be modelled, even if there are no current business processes which rely on the constraint being asserted.
As an ...
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Orchestrator (like Camunda) between frontend and backend?
I have the following use case. We have both a frontend application and a backend application. Earlier, events on the frontend application directly call the backend application. Now we want to ...
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Deriving entities in different domains from one DB table
Let's say I have a table for storing users. In this table, I have data like id, name, address, bank account and birthdate. Also, I have two domains in my codebase; in one of them, I need a user entity ...
