UML Tutorials - Herong's Tutorial Examples - v1.05, by Herong Yang
Activity Diagram - Merge Notation
This section describes the Merge Notation used in a UML Activity Diagram. A Merge Notation represents a merge point where alternate execution paths meet and continue.
A Merge Notations is a graphical notation used in a UML Activity Diagram to represent a merge point where multiple alternate execution paths will meet and continue.
A Merge Notation is drawn as a small diamond shape with multiple incoming control flows and on outgoing control flow. For example, the merge point where "Ship Order" and "Cancel Order" meet can be drawn as a Merge Notation in a UML activity diagram as shown below:
Table of Contents
Introduction of UML (Unified Model Language)
UML Class Diagram and Notations
►UML Activity Diagram and Notations
Activity Diagram - Action Notation
Activity Diagram - Control Flow Notation
Activity Diagram - Start and Final Notations
Activity Diagram - Decision Notation
►Activity Diagram - Merge Notation
Activity Diagram - Fork Notation
Activity Diagram - Join Notation
Activity Diagram - Object Notation
Activity Diagram - Send Signal Notation
Activity Diagram - Accept Event Notation
Activity Diagram - Partition (Swimlane) Notation
Activity Diagram - Frame Notation and Parameters
UML Sequence Diagram and Notations
UML State Machine Diagram and Notations
UML Use Case Diagram and Notations