UML2 Types of Pins - metaclasses This content has been marked as discussing an ADVANCED topic! Gallery Tutorial TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo Section 01:04: UML Behavior: Activities quick start Slide kind UML Profile Diagram
ObjectNodes hold object tokens accepted from incoming ObjectFlows and may subsequently offer them to outgoing ObjectFlows (with a modeler-specified exception for ControlFlows, see isControlType for ObjectNodes ...). Source Unified Modeling Language 2.5.1
A ControlFlow is an ActivityEdge that only passes control tokens (and some object tokens as specified by modelers, see isControlType for ObjectNodes ...). Source Unified Modeling Language 2.5.1
Claim: The ControlValue input to Monitor Traction without a Pin is invalid in 'Figure 11-10: Continuous system example 1' and multiple issues with ControlOperator
Tokens are placed on control OutputPins according to the same semantics as tokens placed on ControlFlows coming out of an Actions. Source Unified Modeling Language 2.5.1
Tokens arriving at a control InputPin have the same semantics as control tokens arriving at the Action, except that control tokens can be buffered in control Pins. Source Unified Modeling Language 2.5.1
Control Pins are ignored in the constraints that Actions place on Pins (including matching to parameters for InvocationActions ...). Source Unified Modeling Language 2.5.1
A control Pin (with isControl=true) must have a control type (isControlType=true), so that they may be used with ControlFlows. Source Unified Modeling Language 2.5.1
object_nodes ControlFlows may not have ObjectNodes at either end, except for ObjectNodes with control type. Source Unified Modeling Language 2.5.1
ObjectNode::inState : State [0..*] ... The States required to be associated with the values held by tokens on this ObjectNode. Source Unified Modeling Language 2.5.1
ObjectNode::isControlType : Boolean [1..1] = false Indicates whether the type of the ObjectNode is to be treated as representing control values that may traverse ControlFlows. Source Unified Modeling Language 2.5.1
The values on such object tokens may be used to affect the control of ExecutableNodes that are the targets of such ControlFlows, though the specific meaning of such values is not defined in this specification Source Semantics of a Foundational Subset for Executable UML Models 1.4
If isControlType=true for an ObjectNode, ControlFlows may be incoming to and outgoing from the ObjectNode, objects tokens can come into or go out of the ObjectNode along ControlFlows, and these tokens can flow along ControlFlows reached downstream ... Source Semantics of a Foundational Subset for Executable UML Models 1.4
