Difference between revisions of "XCSG:Namespace"
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A Namespace “owns” the model elements that appear in it, and no model element may appear in more than one namespace. | A Namespace “owns” the model elements that appear in it, and no model element may appear in more than one namespace. | ||
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| + | == Semantics == | ||
The semantics of Namespace are those defined by UML [5, pp. 2-49, 2-68]. Elements appearing within the namespace, other than generalizations, must have unique names. | The semantics of Namespace are those defined by UML [5, pp. 2-49, 2-68]. Elements appearing within the namespace, other than generalizations, must have unique names. | ||
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== Specification == | == Specification == | ||
| − | { | + | {{Metaclass |
| − | + | | extends = ModelElement | |
| − | | | + | | description = A model element that contains (owns) a set of uniquely named model elements. Each contained element is owned by at most a single namespace. The concrete subclasses of Namespace constrain the type of elements the Namespace may contain. Namespace is an abstract metaclass. |
| − | + | | references = [5, p. 2-14, Figure 2-5], [5, pp. 2-49, 2-68] | |
| − | + | }} | |
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| − | | A model element that contains (owns) a set of uniquely named model elements. Each contained element is owned by at most a single namespace. The concrete subclasses of Namespace constrain the type of elements the Namespace may contain. Namespace is an abstract metaclass. | + | |
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== Language mappings == | == Language mappings == | ||
Revision as of 19:07, 17 March 2014
A Namespace “owns” the model elements that appear in it, and no model element may appear in more than one namespace.
Semantics
The semantics of Namespace are those defined by UML [5, pp. 2-49, 2-68]. Elements appearing within the namespace, other than generalizations, must have unique names.
Subtypes of Namespace may restrict the types of model elements that the name space contains.
Specification
| Metaclass | Namespace |
|---|---|
| Extends | ModelElement |
| Description | A model element that contains (owns) a set of uniquely named model elements. Each contained element is owned by at most a single namespace. The concrete subclasses of Namespace constrain the type of elements the Namespace may contain. Namespace is an abstract metaclass. |
| References | [5, p. 2-14, Figure 2-5], [5, pp. 2-49, 2-68] |
| Direct Subkinds | Classifier, Package |
|---|
Language mappings
None. Namespace is an abstract metaclass. Package (rather than Namespace) maps to the more concrete notion of a C++ (or MS-IL) namespace.
Direct Subkinds: Classifier, Direct Subkinds: Package
