Use Case Diagram

Use Case Diagram (from uml-diagrams.org)
To create a Use Case Diagram:
- 1.Select first an element where a new Use Case Diagram to be contained as a child.
- 2.Select Model | Add Diagram | Use Case Diagram in Menu Bar or select Add Diagram | Use Case Diagram in Context Menu.
See also
To create an Use Case Subject:
- 1.Select Use Case Subject in Toolbox.
- 2.Drag on the diagram as the size of Use Case Subject.
To create an Actor:
- 1.Select Actor in Toolbox.
- 2.Drag on the diagram as the size of Actor.
To create an Actor (model element only) by Menu:
- 1.Select an Element where a new Actor to be contained.
- 2.Select Model | Add | Actor in Menu Bar or Add | Actor in Context Menu.
You can use QuickEdit for Actor by double-click or press
Enter
on a selected Actor.- Name Expression : Edit name expression.Syntax of Name Expressionexpression ::= [ '<<' stereotype `>>` ] [ visibility ] namestereotype ::= (identifier)visibility ::= '+' | '#' | '-' | '~'name ::= (identifier)
- Visibility : Change visibility property.
- Add Note : Add a linked note.
- Add Constraint : Add a constraint.
- Add Attribute (
Ctrl+Enter
) : Add an attribute. - Add Operation (
Ctrl+Shift+Enter
) : Add an operation. - Add Sub-Actor : Add a sub-actor.
- Add Super-Actor : Add a super actor.
- Add Associated Use Case : Add an associated use case.
To create an Use Case:
- 1.Select Use Case in Toolbox.
- 2.Drag on the diagram as the size of Use Case.
To create an Use Case (model element only) by Menu:
- 1.Select an Element where a new Use Case to be contained.
- 2.Select Model | Add | Use Case in Menu Bar or Add | Use Case in Context Menu.
You can use QuickEdit for Use Case by double-click or press
Enter
on a selected Use Case.- Name Expression : Edit name expression.Syntax of Name Expressionexpression ::= [ '<<' stereotype `>>` ] [ visibility ] namestereotype ::= (identifier)visibility ::= '+' | '#' | '-' | '~'name ::= (identifier)
- Visibility : Change visibility property.
- Add Note : Add a linked note.
- Add Constraint : Add a constraint.
- Add Extension Point (
Ctrl+Enter
) : Add an extension point. - Add Associated Actor : Add an associated actor.
- Add Included Use Case : Add an included use case.
- Add Extended Use Case : Add an extended use case.
To add an Extension Point:
- 1.Select an Use Case.
- 2.Select Model | Add | Extension Point in Menu Bar or Add | Extension Point in Context Menu.
You can use QuickEdit for Extension Point by double-click or press
Enter
on a selected Extension Point.- Name Expression : Edit name expression.Syntax of Name Expressionexpression ::= [ '<<' stereotype `>>` ] [ visibility ] namestereotype ::= (identifier)visibility ::= '+' | '#' | '-' | '~'name ::= (identifier)
- Visibility : Change visibility property.
- Add (
Ctrl+Enter
) : Add one more extension point in the below. - Delete (
Ctrl+Delete
) : Delete the extension point - Move Up (
Ctrl+Up
) : Move the extension point up. - Move Down (
Ctrl+Down
) : Move the extension point down.
To create an Include:
- 1.Select Include in Toolbox.
- 2.Drag from a Use Case and drop on another Use Case (to be included).
To create an Extend:
- 1.Select Extend in Toolbox.
- 2.Drag from a Use Case (to be extended) and drop on another Use Case.