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Connector Constraints
A UML connector can also have associated constraints placed on it. Constraints provide information on the rules and conditions under which a relationship operates. For example, it might be a pre-condition that a customer is of a certain type before an Association connector to an Account is allowed.
You can add the constraints using the 'Constraints' tab in either the connector 'Properties' dialog or the Properties window; the fields are the same.
Access
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Ribbon |
Start > Explore > Properties > Properties > click on connector in a diagram > Constraints (Properties window) Design > Element > Properties > Properties > click on connector in a diagram > Constraints (Properties window) |
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Keyboard |
> click on connector in a diagram > Constraints (Properties window) |
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Context Menu |
Right-click on Connector | Properties > Constraints (connector 'Properties' dialog) |
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Other |
Double-click on Connector > Constraints (connector 'Properties' dialog) |
Set constraints on a connector
Option |
Action |
See also |
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Constraint |
Type the name of the constraint. |
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Type |
Click on the drop-down arrow and select the appropriate type of the constraint (such as Pre-condition). |
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<notes> |
Type any explanatory notes you might require on the constraint. You can insert line breaks in the text by pressing . |
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Save |
Click on this button to save the constraint definition. The constraint is added to the 'Defined Constraints' list. |
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New |
Click on this button to clear the dialog fields so that you can enter details of a new constraint. |
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Defined Constraints |
Displays a list of the constraints defined for this connector. |
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Delete |
Click on this button to delete a constraint you have selected in the 'Defined Constraints' list. The constraint is immediately removed from the list. |
Notes
