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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: Dependency

Direct Subclasses:

Class Precedence List: Usage, Dependency, PackageableElement, ParameterableElement, NamedElement, DirectedRelationship, Relationship, Element

Properties:

client : NamedElement (1 *); -- source Dependency
supplier : NamedElement (1 *); -- source Dependency
visibility : VisibilityKind (1 1); -- source PackageableElement

Indicates that packageable elements must always have a visibility, i.e., visibility is not optional.
Redefines: NamedElement.visibility
Default value: PUBLIC

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

The template parameter that exposes this element as a formal parameter.
Opposite: TemplateParameter.parameteredElement

clientDependency : Dependency (0 *); -- source NamedElement
name : String (0 1); -- source NamedElement
nameExpression : StringExpression (0 1); -- source NamedElement

The string expression used to define the name of this named element.
{composite}
Subsets: Element.ownedElement

namespace : Namespace (0 1); -- source NamedElement
qualifiedName : String (0 1); -- source NamedElement

A name which allows the NamedElement to be identified within a hierarchy of nested Namespaces. It is constructed from the names of the containing namespaces starting at the root of the hierarchy and ending with the name of the NamedElement itself.
{readonly, derived}

source : Element (1 *); -- source DirectedRelationship
target : Element (1 *); -- source DirectedRelationship
relatedElement : Element (1 *); -- source Relationship
ownedComment : Comment (0 *); -- source Element

The Comments owned by this element.
{composite}
Subsets: Element.ownedElement

ownedElement : Element (0 *); -- source Element
owner : Element (0 1); -- source Element

Constraints:

No additional constraints.

Operations:

No additional operations.



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