Class UML 2.5::LiteralNull
Description:
A LiteralNull specifies the lack of a value.
Direct Superclasses: LiteralSpecificationDirect Subclasses: Class Precedence List: LiteralNull,
LiteralSpecification,
ValueSpecification,
TypedElement,
PackageableElement,
ParameterableElement,
NamedElement,
ElementProperties:

type :
Type (0 1); -- source
TypedElement
visibility :
VisibilityKind (0 1); -- source
PackageableElementA PackageableElement must have a visibility specified if it is owned by
a Namespace. The default visibility is public.
Redefines: NamedElement.visibility
Default value: PUBLIC

owningTemplateParameter :
TemplateParameter (0 1); -- source
ParameterableElement
templateParameter :
TemplateParameter (0 1); -- source
ParameterableElement
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
ownedElement :
Element (0 *); -- source
ElementThe Elements owned by this Element.
{
composite,
readonly}
Derived union with sources: (ownedComment, nameExpression)
Opposite: Element.owner

owner :
Element (0 1); -- source
ElementConstraints:
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.