Class UML 2.3::Class
Description:
Class has derived association that indicates how it may be extended through
one or more stereotypes. Stereotype is the only kind of metaclass that
cannot be extended by stereotypes.
Direct Superclasses: EncapsulatedClassifier,
BehavioredClassifierDirect Subclasses: Stereotype,
Node,
Component,
Behavior,
AssociationClassClass Precedence List: Class,
EncapsulatedClassifier,
StructuredClassifier,
BehavioredClassifier,
Classifier,
TemplateableElement,
Type,
PackageableElement,
ParameterableElement,
Namespace,
RedefinableElement,
NamedElement,
ElementProperties:
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extension :
Extension (0 *); -- source
Class References the Extensions that specify additional properties of the metaclass.
The property is derived from the extensions whose memberEnds are typed
by the Class.
{
readonly,
derived}
Opposite: Extension.metaclass
The spec does not provide a function to compute this derived property!![](/se-interop/image/down-arrow.png)
isAbstract : Boolean (1 1); -- source
Class![](/se-interop/image/right-arrow.png)
isActive : Boolean (1 1); -- source
Class Determines whether an object specified by this class is active or not.
If true, then the owning class is referred to as an active class. If false,
then such a class is referred to as a passive class.
Default value: FALSE
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nestedClassifier :
Classifier (0 *); -- source
Class![](/se-interop/image/down-arrow.png)
ownedAttribute :
Property (0 *); -- source
Class![](/se-interop/image/down-arrow.png)
ownedOperation :
Operation (0 *); -- source
Class![](/se-interop/image/down-arrow.png)
ownedReception :
Reception (0 *); -- source
Class![](/se-interop/image/down-arrow.png)
superClass :
Class (0 *); -- source
Class![](/se-interop/image/down-arrow.png)
ownedPort :
Port (0 *); -- source
EncapsulatedClassifier![](/se-interop/image/down-arrow.png)
ownedConnector :
Connector (0 *); -- source
StructuredClassifier![](/se-interop/image/down-arrow.png)
part :
Property (0 *); -- source
StructuredClassifier![](/se-interop/image/down-arrow.png)
role :
ConnectableElement (0 *); -- source
StructuredClassifier![](/se-interop/image/down-arrow.png)
classifierBehavior :
Behavior (0 1); -- source
BehavioredClassifier![](/se-interop/image/down-arrow.png)
interfaceRealization :
InterfaceRealization (0 *); -- source
BehavioredClassifier![](/se-interop/image/down-arrow.png)
ownedBehavior :
Behavior (0 *); -- source
BehavioredClassifier![](/se-interop/image/down-arrow.png)
ownedTrigger :
Trigger (0 *); -- source
BehavioredClassifier![](/se-interop/image/down-arrow.png)
attribute :
Property (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
collaborationUse :
CollaborationUse (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
feature :
Feature (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
generalization :
Generalization (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
inheritedMember :
NamedElement (0 *); -- source
Classifier![](/se-interop/image/right-arrow.png)
isFinalSpecialization : Boolean (1 1); -- source
Classifier If true, the Classifier cannot be specialized by generalization. Note that
this property is preserved through package merge operations; that is, the
capability to specialize a Classifier (i.e., isFinalSpecialization =false)
must be preserved in the resulting Classifier of a package merge operation
where a Classifier with isFinalSpecialization =false is merged with a matching
Classifier with isFinalSpecialization =true: the resulting Classifier will
have isFinalSpecialization =false.
Default value: FALSE
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ownedTemplateSignature :
RedefinableTemplateSignature (0 1); -- source
Classifier![](/se-interop/image/down-arrow.png)
ownedUseCase :
UseCase (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
powertypeExtent :
GeneralizationSet (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
redefinedClassifier :
Classifier (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
representation :
CollaborationUse (0 1); -- source
Classifier![](/se-interop/image/down-arrow.png)
substitution :
Substitution (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
templateParameter :
ClassifierTemplateParameter (0 1); -- source
Classifier![](/se-interop/image/down-arrow.png)
useCase :
UseCase (0 *); -- source
Classifier![](/se-interop/image/down-arrow.png)
templateBinding :
TemplateBinding (0 *); -- source
TemplateableElement![](/se-interop/image/down-arrow.png)
package :
Package (0 1); -- source
Type![](/se-interop/image/down-arrow.png)
visibility :
VisibilityKind (1 1); -- source
PackageableElement![](/se-interop/image/down-arrow.png)
owningTemplateParameter :
TemplateParameter (0 1); -- source
ParameterableElement![](/se-interop/image/down-arrow.png)
elementImport :
ElementImport (0 *); -- source
Namespace![](/se-interop/image/down-arrow.png)
importedMember :
PackageableElement (0 *); -- source
Namespace![](/se-interop/image/down-arrow.png)
member :
NamedElement (0 *); -- source
Namespace![](/se-interop/image/down-arrow.png)
ownedMember :
NamedElement (0 *); -- source
Namespace![](/se-interop/image/down-arrow.png)
ownedRule :
Constraint (0 *); -- source
Namespace![](/se-interop/image/down-arrow.png)
packageImport :
PackageImport (0 *); -- source
Namespace![](/se-interop/image/down-arrow.png)
isLeaf : Boolean (1 1); -- source
RedefinableElement![](/se-interop/image/down-arrow.png)
redefinedElement :
RedefinableElement (0 *); -- source
RedefinableElement![](/se-interop/image/down-arrow.png)
redefinitionContext :
Classifier (0 *); -- source
RedefinableElement![](/se-interop/image/down-arrow.png)
clientDependency :
Dependency (0 *); -- source
NamedElement![](/se-interop/image/right-arrow.png)
name : String (0 1); -- source
NamedElement The name of the NamedElement.
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nameExpression :
StringExpression (0 1); -- source
NamedElement![](/se-interop/image/right-arrow.png)
namespace :
Namespace (0 1); -- source
NamedElement Specifies the namespace that owns the NamedElement.
{
readonly}
Derived union with sources: (package)
Subsets: Element.owner
Opposite: Namespace.ownedMember
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qualifiedName : String (0 1); -- source
NamedElement![](/se-interop/image/down-arrow.png)
ownedComment :
Comment (0 *); -- source
Element![](/se-interop/image/down-arrow.png)
ownedElement :
Element (0 *); -- source
Element![](/se-interop/image/down-arrow.png)
owner :
Element (0 1); -- source
ElementConstraints:
Signature: CMOF_14_3_18() : Boolean;
Description: 14.3 [18] Class must not be active
see also: https://sites.google.com/site/metamodelingantipatterns/catalog/mof/class-is-active
Expression: not isActive
Signature: CMOF_14_3_15() : Boolean;
Description: 14.3 [15] Only one member attribute of a Class may have isId=true.
see also: https://sites.google.com/site/metamodelingantipatterns/catalog/mof/class-has-more-than-one-id
Expression: self->closure(general)->union(self)->attribute->asSet()->select(p:Property | p.isID)->size() < 2
Signature: CMOF_14_3_10a() : Boolean;
Description: 14.3 [10] The following properties must be empty
Class::nestedClassifier
Property::qualifier
see also: https://sites.google.com/site/metamodelingantipatterns/catalog/mof/class-has-nested-classifier
Expression: nestedClassifier->isEmpty()
Signature: passive_class() : Boolean;
Description: A passive class may not own receptions.
Expression: not self.isActive implies self.ownedReception.isEmpty()
Operations:
Signature: inherit(inhs : NamedElement; ) : NamedElement;
Description: The inherit operation is overridden to exclude redefined properties.
The OCL used here is not normative.Editor's notes: reject not excluding
Expression: result = inhs->reject(inh |
ownedMember->select(oclIsKindOf(RedefinableElement))->select(redefinedElement->includes(inh)))
Original: result = inhs->excluding(inh |
ownedMember->select(oclIsKindOf(RedefinableElement))->select(redefinedElement->includes(inh)))
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