Use a Pattern

Using a Design Pattern enables you to rapidly create template solutions for code structures that perform the same type of task in other situations, and to use items defined in the Pattern with the UML model.

How to

To use a Pattern that you have previously imported into the model

Step

Action

See also

1

Open the diagram into which to add the Pattern.

 

 

2

Select the Resources window.

 

 

3

Expand the UML Pattern folder and find the Pattern to add.

 

 

4

Either:

Right-click on the Pattern and select the Add Pattern to Diagram context menu option or
Drag and drop the Pattern from the Resources window onto the diagram

 

You can also view the Pattern details in read-only mode by selecting the View Pattern Details context menu option.

 

Add Pattern Dialog

5

Once the appropriate selections have been made, click on the OK button to import the Pattern into the model, recreating the original diagram with new GUIDs.

 

 

 

To change the default of the Pattern element

Step

Action

See also

1

From the Add Pattern dialog select the individual element in the Pattern Element panel.

 

 

2

Click on the (  ...  ) button to display the Edit dialog.

The specific method for changing the element name is dependant upon the entry in the Action column of the Pattern Elements panel.

 

 

3

If the Action entry for the element is Create, then in the Default field in the Edit dialog delete the existing value and type your own, user-defined value.

Click on the OK button.

The element default is updated on the Add Pattern dialog.

 

 

4

If the Action entry for the element is Merge, in the Edit dialog click on the (  ...  ) button to browse to an existing element classifier.

The Select <Item> dialog displays.

 

 

5

Locate and select an existing element classifier.

You can restrict the number of choices by selecting the elements from a specific namespace; to do this, click on the In Namespace drop-down arrow and select a namespace.

 

Using Classifiers

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Learning Center topics

(Alt+F1) | Modeling Languages | Patterns | Use a Pattern