Activity diagram connection rules

Activity Activity parameter node Action Accept event action Send signal action Decision node Merge node Fork node Join node Initial node Activity final node Flow final node Input pin Output pin Activity Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow Activity parameter node Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow   Action Control Flow Object Flow Control Flow, Exception handler Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow, Exception handler Exception handler Accept event action Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow, Exception handler Exception handler Send signal action Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow, Exception handler Exception handler Decision node Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow   Merge node Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow   Fork node Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow   Join node Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow   Initial node Control Flow Object Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Object Flow Control Flow Control Flow Object Flow   Activity final node                             Flow final node                             Input pin                             Output pin   Object Flow       Object Flow Object Flow Object Flow Object Flow   Object Flow Object Flow     Value pin                             Object node Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow   Central buffer node Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow   Object Flow Object Flow Object Flow   Data store node Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow   Object Flow Object Flow Object Flow   Interruptible activity region                             Expansion region                         Exception handler Exception handler Expansion node Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow Object Flow   Object Flow Object Flow Object Flow   Swimlane                             Structured Activity node Control Flow   Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow   Control Flow Control Flow Exception handler Exception handler Conditional node Control Flow   Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow   Control Flow Control Flow Exception handler Exception handler Loop node Control Flow   Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow   Control Flow Control Flow Exception handler Exception handler Sequence node Control Flow   Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow Control Flow   Control Flow Control Flow Exception handler Exception handler

Connection rules in activity diagram A

 

Value pin Object node Central buffer node Data store node Interruptible activity region Expansion region Expansion node Swimlane Structured Activity node Conditional node Loop node Sequence node Activity Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Activity parameter node   Object Flow Object Flow Object Flow   Object Flow   Object Flow Object Flow Object Flow Object Flow Action   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Accept event action   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Send signal action   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Decision node   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Merge node   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Fork node   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Join node   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Initial node   Object Flow Object Flow Object Flow     Object Flow   Control Flow Control Flow Control Flow Control Flow Activity final node   Object Flow Object Flow Object Flow     Object Flow           Flow final node   Object Flow Object Flow Object Flow     Object Flow           Input pin                         Output pin             Object Flow           Value pin                         Object node   Object Flow Object Flow Object Flow     Object Flow   Object Flow Object Flow Object Flow Object Flow Central buffer node   Object Flow Object Flow Object Flow     Object Flow   Object Flow Object Flow Object Flow Object Flow Data store node   Object Flow Object Flow Object Flow     Object Flow   Object Flow Object Flow Object Flow Object Flow Interruptible activity region                         Expansion region Exception handler                       Expansion node   Object Flow Object Flow Object Flow     Object Flow   Object Flow Object Flow Object Flow Object Flow Swimlane                         Structured Activity node Exception handler               Control Flow Control Flow Control Flow Control Flow Conditional node Exception handler               Control Flow Control Flow Control Flow Control Flow Loop node Exception handler               Control Flow Control Flow Control Flow Control Flow Sequence node Exception handler               Control Flow Control Flow Control Flow Control Flow

Connection rules in activity diagram B

 

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