How to show "if" condition on a sequence diagram?
I always thought the conditions for the sequence were explicitly described in the scenario and thus no branching took place during the sequence. Alternative paths were handled by describing a …
uml - Difference between Sequence Diagram (SD) and a System …
Jun 3, 2013 · A System sequence diagram visualizes a use case, while a sequence diagram visualizes a method of a class. The elements participating (exchanging messages) in a system …
How to represent a call being made in a loop in a sequence …
65 I'm creating a sequence diagram, and one of the classes is being observed by another class. The observed class is calling update in the observer every 5 seconds in a loop. I need to show …
Difference between alt and opt fragment in sequence diagram?
Feb 21, 2014 · Sequence diagram describes a set of interactions sequences. opt fragment in diagram means that the diagram describes two possible interactions sequences - one with the …
Sequence diagram including Registration and Login
Feb 18, 2021 · This diagram is unfortunately ambiguous and misleading. Login screen sends a message like Redirect to AppDashBoard to the actor. Does this mean that your system just …
System sequence diagram - Can system request input from actor?
Jul 25, 2020 · 3 in uml - system sequence diagram, can the system ask input from the actor (see attached picture) In my example, the scenario is: system is prompting a confirmation input …
Sequence diagram for simple login system - Stack Overflow
Jun 21, 2018 · I have a partially finished sequence diagram but it needs more detail. Once the user has been retrieved from the database how does the system decide whether to accept or …
Is System Sequence Diagram part of Analysis or Design?
Apr 17, 2019 · A System Sequence Diagram (SSD) is be a special type of UML sequence diagram that intends to document for one specific use case the the sequence of exchanges …
Something confused about the sequence diagram - Stack Overflow
Sep 5, 2021 · Your use case also requires the system to send a response back to the actor, so I would recommend to show this in the sequence diagram (as you already did). Here are two …
Two actors invoking same functionality in sequence diagram. How …
Jun 11, 2014 · No diagram is ever read in isolation and you will never capture the entire radar functionality in a single sequence diagram. Remember that a sequence diagram is intended to …