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Class UML 2.4.1::Gate


A gate is a connection point for relating a message outside an interaction fragment with a message inside the interaction fragment.

Direct Superclasses: MessageEnd

Direct Subclasses:

Class Precedence List: Gate, MessageEnd, NamedElement, Element


message : Message (0 1); -- source MessageEnd
clientDependency : Dependency (0 *); -- source NamedElement
name : String (0 1); -- source NamedElement
nameExpression : StringExpression (0 1); -- source NamedElement
namespace : Namespace (0 1); -- source NamedElement

Specifies the namespace that owns the NamedElement.
Derived union with sources: ()
Subsets: Element.owner
Opposite: Namespace.ownedMember

qualifiedName : String (0 1); -- source NamedElement

A name which allows the NamedElement to be identified within a hierarchy of nested Namespaces. It is constructed from the names of the containing namespaces starting at the root of the hierarchy and ending with the name of the NamedElement itself.
{readonly, derived}

visibility : VisibilityKind (0 1); -- source NamedElement
ownedComment : Comment (0 *); -- source Element
ownedElement : Element (0 *); -- source Element

The Elements owned by this element.
{composite, readonly}
Derived union with sources: (ownedComment, nameExpression)
Opposite: Element.owner

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


Signature: messages_combined_fragment() : Boolean;
Description: The message leading to/from an (expression) Gate within a CombinedFragment must correspond to the message leading from/to the CombinedFragment on its outside.
Expression: true

Signature: messages_actual_gate() : Boolean;
Description: The message leading to/from an actualGate of an InteractionUse must correspond to the message leading from/to the formalGate with the same name of the Interaction referenced by the InteractionUse.
Expression: true


No additional operations.

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