Class Operations in Activity Diagrams

Operations from Classes can be displayed on Activity diagrams as Actions. When an operation is shown as an Action, the notation of the Action displays the name of the Class that features the operation.

How to

To add an operation to an Activity diagram

Step

Action

See also

1

Open an Activity diagram.

 

 

2

From the Project Browser open a Class and locate the operation to be added to the Activity diagram.

 

 

3

Drag the operation on to the diagram.

 

DragOperation

 

 

4

When the operation has been added to the Activity diagram, the Action displays the name of the Class that features the operation.

 

Action-CallOperation

 

Right-click on the Action in the diagram to locate, in the Project Browser, the:

Behavior classifier (CallBehavior Activity) using the Find | Locate Classifier in Project Browser context menu option or
Call operation (CallOperation Activity) using the Find | Locate Operation in Project Browser context menu option

 

 

 

If it becomes necessary to change the operation that this Action refers to

Step

Action

See also

1

Right-click on the Action and select the Advanced | Set Operation menu option.

The Set Operation dialog displays.

 

Set Operation dialog

2

If necessary, in the In Namespace field, select the model that contains the required operation.

 

 

3

Double-click on the required operation.

The Action updates to show the new classifier and operation.

NewAction