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Questions tagged [use-case-diagram]

191 questions
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Can I add 2 Login features in One Use Case Diagram

I drew an Use Case Model for Academic Calendar Application, and what am struggling with is the fact I put 2 login features in the same model. One for the academic advisor and one for the students. So my question is: is it okay with this? Or should I…
AHumaidi9
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How to display computer vision and AR in UML use case diagrams

My system uses both Augmented reality and computer vision, The first feature is: The user actor can scan a specific object and the computer vision should recognize it. The second feature is: The user actor can view a specific place using the…
manar Aldhafyan
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Use case diagram - primary and secondary actor at the same time

Can an actor be both primary and secondary in an extended management system? e.g. Warehouse worker [use case] displays the list of orders to be packed (as secondary actor), then [use cases] packs the order, marks the order as ready (as primary…
PoloOlo
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What if an actor in a use case diagram is primary and secondary actor at the same time (for different use cases)?

I have a use case diagram for an appointment scheduling app. The customer is usually the primary actor (e.g. when they register, search services, pick a date, etc.). In 2 use cases the customer is the secondary actor though (e.g. when they receive…
Promeixcel
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Is that true that one bubble (use case) represent an activity diagram?

I ever made an activity diagram to represent a use case with 3 actors. I made a swimlane for each actor, so I have 3 swimlanes in an activity diagram. But my lecturer said that it was wrong because I should have more activity diagrams. He meaned…
Mey Lin
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API or code to draw BPMN 2.0 processes programmatically + C#

Can any one suggest a solution for drawing process flow diagrams in BPMN 2.0 , flow charts, use case diagrams programmatically. We are planning to read the input from an excel file. If getting some ideas we can change the input template as well.
user2537735
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Can Database be count as actor in use case diagram?

I am creating application for Diabetes log system. I am confused whether database in UML -Use case diagram count as actor or not ? the application is recording the diabetes glucose reading which will be saved in firebase and it can also retrieve…
Dharmesh Faquir
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Can the included/extended use-case be initiated by another actor?

Hi, I would like to have the receptionist and the manager to be able to view work type and rates and subsequently update it. However, tech personnel can only view but not update. Is the diagram valid? I read that extended use-case are initiated by…
Soggeh
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What level of complexity should a Use Case diagram illustrate?

What level of complexity should a Use Case diagram illustrate - how much detail should be included, and what is the "cut-off" point for when a Sequence Diagram, or alternative UML diagram should be used?
Jordan-C
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Can web server be an actor in use case diagram of online game?

I am designing an online game in which server records the shots, inform players and pass turn. Can I consider Server as an actor or it should be a part of my system?
ADEEL A
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extends in Use Cases diagram

in the book UML @ Classroom An Introduction to Object-Oriented Modeling is written "Use cases—even included or extending use cases—can always be executed independently. If they can only be executed within the scope of another use case and not…
Ahmed
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In activity diagram, can there be a fork into two actions but only one action at joining, due to inclusion of one action in the other?

Consider a system user can perform two actions in concurrent manner, the first action (A1) is just performed on the user's order, the second action (A2) includes performing (A1) when performed as it is stated in the following use-case…
Galaluddin Owais Galal
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How to represent common tasks between two users in activity diagram if each user has his own set of tasks?

Consider I have two users to use my website system (User and Admin), on each of their pages (User page and Admin page) they have some actions (tasks) available to run out in concurrent manner (A1 and A2 available for User) and (A1,A2,A3 and A4…
Galaluddin Owais Galal
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Use case Diagram for Pacman Arcade

Does any one know how to create use case diagram for PACMAN ARCADE game ?These are some of the features: Ghost Movement & Behavior when an energizer is eaten, the ghosts turn blue and flee from pac-man four colors ghost pursue player Energizers…
Tharindu Vinod
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Can an animal be an actor in use case diagram?

I am developing a use case diagram for dog veterinary. However, I was confused that whether I should use dog as an actor or not as it cannot communicate with the system. However, everything that system does is totally dependent on dog like,…
Mohammad Abbad
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