Class UML 2.3::InitialNode

Description:

An initial node is a control node at which flow starts when the activity is invoked.

Direct Superclasses: ControlNode

Direct Subclasses:

Class Precedence List: InitialNode, ControlNode, ActivityNode, RedefinableElement, NamedElement, Element

Properties:

activity : Activity (0 1); -- source ActivityNode
inGroup : ActivityGroup (0 *); -- source ActivityNode
inInterruptibleRegion : InterruptibleActivityRegion (0 *); -- source ActivityNode
inPartition : ActivityPartition (0 *); -- source ActivityNode
inStructuredNode : StructuredActivityNode (0 1); -- source ActivityNode
incoming : ActivityEdge (0 *); -- source ActivityNode
outgoing : ActivityEdge (0 *); -- source ActivityNode
redefinedNode : ActivityNode (0 *); -- source ActivityNode
isLeaf : Boolean (1 1); -- source RedefinableElement
redefinedElement : RedefinableElement (0 *); -- source RedefinableElement
redefinitionContext : Classifier (0 *); -- source RedefinableElement
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
visibility : VisibilityKind (0 1); -- source NamedElement
ownedComment : Comment (0 *); -- source Element
ownedElement : Element (0 *); -- source Element
owner : Element (0 1); -- source Element

Constraints:

Signature: no_incoming_edges() : Boolean;
Description: An initial node has no incoming edges.
Expression: true

Signature: control_edges() : Boolean;
Description: Only control edges can have initial nodes as source.
Expression: true

Operations:

No additional operations.

---

Send questions or comments to [email protected].