Connector Constraints

A UML connector can also have associated constraints placed on it. Constraints tell us something about the rules and conditions under which a relation 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.

How to

To set constraints on a connector

Step

Action

See also

1

Double-click on a connector to open the Connector Properties dialog.

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2

Select the Constraints tab.

 

 

3

Fill in details of the constraint(s) that apply and click on the Save button.

 

 

Reference

Field

Usage

See also

Constraint

The name of the constraint.

 

 

Type

Specifies the type of constraint (such as pre-condition).

 

 

Notes

Indicates notes on the connector.

 

 

Defined Constraints

Displays the list of constraints for this connector.

 

 

Notes

Constraints about an Association (connector) can be added to further refine the model; constraints detail the business and operational rules for the model