Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.
Inherited and Redefined Ports
A Port is a redefinable and re-useable property of a composite classifier such as a Component. A Component can inherit Ports from its parent; if a Component's parent owns Ports, when you open the Structural Elements dialog for the Component and select the Show Owned/Inherited checkbox the inherited Ports and their named owners are listed.
If you want to show an inherited Port on a Component, the Structural Elements dialog provides two options:
| · | Expose an inherited Port - tick the checkbox next to the Port's name, to create a read-only copy of the Port; this is convenient for modeling Port interactions in child elements where the Ports are defined in the parent elements |
| · | Redefine an inherited Port - select the row for the Port and click on the Redefine button, to create an editable copy of the Port; this is useful where a child element places additional restrictions or behavior on the Port |
The above is also true for Components that inherit Ports from realized Interfaces, and for Component instances that inherit Ports from their classifying Component.
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