Class UML 2.3::LiteralNull
Description:
A literal null specifies the lack of a value.
Direct Superclasses: LiteralSpecificationDirect Subclasses: Class Precedence List: LiteralNull,
LiteralSpecification,
ValueSpecification,
PackageableElement,
ParameterableElement,
TypedElement,
NamedElement,
ElementProperties:
![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
visibility :
VisibilityKind (1 1); -- source
PackageableElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
owningTemplateParameter :
TemplateParameter (0 1); -- source
ParameterableElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
templateParameter :
TemplateParameter (0 1); -- source
ParameterableElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
type :
Type (0 1); -- source
TypedElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
clientDependency :
Dependency (0 *); -- source
NamedElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
name : String (0 1); -- source
NamedElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
nameExpression :
StringExpression (0 1); -- source
NamedElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
namespace :
Namespace (0 1); -- source
NamedElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
qualifiedName : String (0 1); -- source
NamedElement![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
ownedComment :
Comment (0 *); -- source
Element![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
ownedElement :
Element (0 *); -- source
Element![](/se-interop/image/down-arrow.png?hunchentoot-session=181721%3AF83470FD2E0F5DAAC0B0D6B70A5DFAA0)
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
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