UML Designer User's Guide
The next step is to show the link between the use case and an actor.
For the use case figure, we manually added the figure and then attached it to
the underlying element. This time, we'll have UML Designer do some
of the work for us:
- Select the Adding a new book use case figure.
- Select Hide/Show Relationships from the pop-up menu of the use
case figure. A window appears listing links for existing relationships
involving the use case, followed by any identified candidate links (candidate
links are indicated by a preceding +).
In this case, UML Designer has identified a candidate link between the
Adding a book use case and the Librarian actor.
This link is suggested because of the reference to Librarian (and
the accompanying hypertext link) in the description of the use case.
- Select +(self >- (Associated With) -> Librarian <Actor>)
from the Hidden Relationships list.
- Select >> to add the link to the Shown Relationships
list. This creates an explicit "associated with" link and
indicates that you want the relationship to be represented in the
diagram.
- Select OK.
- A window appears prompting you to confirm the direction of the
association. Select Yes to confirm the default (from the
actor to the use case).
- An Actor figure attached to Librarian appears on the drawing
surface. You can now move this figure in order to rearrange the diagram
any way you like.

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