Class UML 2.4.1::Gate

Description:

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

Properties:

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
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: 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

Operations:

No additional operations.

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