Class UML 2.3::Usage
Description:
A usage is a relationship in which one element requires another element
(or set of elements) for its full implementation or operation. A usage
is a dependency in which the client requires the presence of the supplier.
Direct Superclasses: DependencyDirect Subclasses: Class Precedence List: Usage,
Dependency,
PackageableElement,
ParameterableElement,
NamedElement,
DirectedRelationship,
Relationship,
ElementProperties:
client :
NamedElement (1 *); -- source
Dependency supplier :
NamedElement (1 *); -- source
Dependency The element(s) independent of the client element(s), in the same respect
and the same dependency relationship. In some directed dependency relationships
(such as Refinement Abstractions), a common convention in the domain of
class-based OO software is to put the more abstract element in this role.
Despite this convention, users of UML may stipulate a sense of dependency
suitable for their domain, which makes a more abstract element dependent
on that which is more specific.
Subsets: DirectedRelationship.target
visibility :
VisibilityKind (1 1); -- source
PackageableElement owningTemplateParameter :
TemplateParameter (0 1); -- source
ParameterableElement The formal template parameter that owns this element.
Subsets: Element.owner, ParameterableElement.templateParameter
Opposite: TemplateParameter.ownedParameteredElement
templateParameter :
TemplateParameter (0 1); -- source
ParameterableElement clientDependency :
Dependency (0 *); -- source
NamedElement Indicates the dependencies that reference the client.
Opposite: Dependency.client
name : String (0 1); -- source
NamedElement nameExpression :
StringExpression (0 1); -- source
NamedElement namespace :
Namespace (0 1); -- source
NamedElement qualifiedName : String (0 1); -- source
NamedElement source :
Element (1 *); -- source
DirectedRelationship Specifies the sources of the DirectedRelationship.
{
readonly}
Derived union with sources: (client)
Subsets: Relationship.relatedElement
target :
Element (1 *); -- source
DirectedRelationship relatedElement :
Element (1 *); -- source
Relationship ownedComment :
Comment (0 *); -- source
Element ownedElement :
Element (0 *); -- source
Element owner :
Element (0 1); -- source
ElementConstraints:
No additional constraints.
Operations:
No additional operations.
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