Chapter 5 Building Dynamic Diagrams

Synchronizations (OOM)

A synchronization is an object that enables the splitting or synchronization of control between two or more concurrent actions.

Synchronizations are represented as horizontal or vertical lines. You can change the orientation of the symbol by right-clicking it and selecting Change to Vertical or Change to Horizontal from the contextual menu.

A synchronization can be created in the following diagrams:

Activity Diagram
Interaction Overview Diagram

A synchronization can be either:

Fork - Splits a single input flow into several independent output flows executed in parallel:
Join – Merges multiple input flows into a single output flow. All input flows must reach the join before the single output flow continues