To my knowledge, event signal actions are not allowed to have output control flow, so how can I model the end of an activity after a event signal action? The same issue arises for accept event actions ...
For example an activity diagram for a simple program: Get User data. If User Exists DO something, ELSE do nothing. End. I often see diagrams with multiple endpoints but also with just one. Should ...
There is a simple system, that allows users to do 4 things: ADD, EDIT, DELETE, PRINT data. I am due to model it (I'm entirely new to UML activity diagrams) and from notation, I dont understand ...
I want to express the below events in an activity diagram: An alternative flow, such as "at step x of basic flow, user clicks cancel instead of ok". An alternative entry to the use case, such as ...