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Class UML 2.3::LiteralNull

Description:

A literal null specifies the lack of a value.

Direct Superclasses: LiteralSpecification

Direct Subclasses:

Class Precedence List: LiteralNull, LiteralSpecification, ValueSpecification, PackageableElement, ParameterableElement, TypedElement, NamedElement, Element

Properties:

visibility : VisibilityKind (1 1); -- source PackageableElement
owningTemplateParameter : TemplateParameter (0 1); -- source ParameterableElement
templateParameter : TemplateParameter (0 1); -- source ParameterableElement
type : Type (0 1); -- source TypedElement
clientDependency : Dependency (0 *); -- source NamedElement
name : String (0 1); -- source NamedElement
nameExpression : StringExpression (0 1); -- source NamedElement
namespace : Namespace (0 1); -- source NamedElement
qualifiedName : String (0 1); -- source NamedElement
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:

Signature: isNull() : Boolean;
Description: The query isNull() returns true.
Expression: result = true

Signature: isComputable() : Boolean;
Description: The query isComputable() is redefined to be true.
Expression: result = true



Send questions or comments to xmi-interop@omg.org.