Difference between revisions of "XCSG:Supertype"
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An Extends edge indicates both inheritance and polymorphism relationships. | An Extends edge indicates both inheritance and polymorphism relationships. | ||
| − | That is, it indicates that the [[Classifier]] it comes from inherits the Instance [[ | + | That is, it indicates that the [[Classifier]] it comes from inherits the Instance [[InstanceVariable|Variables]] and [[InstanceMethod|Methods]] of the Classifier it points to, and that instances of the Classifier the edge comes from can be assigned to any [[Variable]] that accepts instances of the Classifier pointed to. |
== Specification == | == Specification == | ||
Revision as of 11:45, 24 April 2014
An Extends edge indicates both inheritance and polymorphism relationships.
That is, it indicates that the Classifier it comes from inherits the Instance Variables and Methods of the Classifier it points to, and that instances of the Classifier the edge comes from can be assigned to any Variable that accepts instances of the Classifier pointed to.
Specification
| Metaclass | Supertype |
|---|---|
| Extends | Edge |
| Description | Connects a Classifier to another Classifier that it extends. |
| Direct Subkinds | Java:Extends, Java:Implements |
|---|
| Specified Connections | ||
|---|---|---|
| Predecessor | Multiplicity | Successor |
| Classifier | ✱ ➞ ✱ | Classifier |
