Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content Source Unified Modeling Language 2.5.1 Copyright information About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes Snippet kind INFO UML keywords Activity Behavior Parameter ActivityParameterNode Previous snippet Full quote 15.4.3.2 Activity Parameter Nodes As a kind of Behavior, an Activity may have Parameters Next snippet When the Activity is invoked, values may be passed into the Activity execution on input Parameters (i.e., those with direction in or inout) and values may be passed out .. on output Parameters (i.e., those with direction inout, out or return). Related snippets Related snippets (backlinks) Within an Activity, inputs to and outputs from an Activity are handled using ActivityParameterNodes. Each ActivityParameterNode is associated with one Parameter of the Activity that owns the node. The type of an ActivityParameterNode shall be the same as the type of its associated Parameter. An ActivityParameterNode shall have either all incoming or all outgoing ActivityEdges. An ActivityParameterNode with outgoing edges is an input ActivityParameterNode, while an ActivityParameterNode with incoming edges is an output ActivityParameterNode. (Note that whether an ActivityParameterNode is for input or output is not determined until at least one ActivityEdge is connected to it.) An Activity shall have one ActivityParameterNode corresponding to each in, out, or return Parameter and two ActivityParameterNodes for each inout Parameter. An in Parameter shall not be associated with an output ActivityParameterNode and an out or return Parameter shall not be associated with an input ActivityParameterNode (though either may be associated with an ActivityParameterNode that does not have .. An inout Parameter shall be associated with at most one input ActivityParameterNode and at most one output ActivityParameterNode. Visit also Visit also (backlinks) Flags
