UML,merge "decision node" and "merge node"
In UML,is it legal to use merge node at the same time as merge node and decision node?It seems like this:
I think it may help to avoid complex diagrams.If that is not possible,why it is illegal?
Solution
Yes, it is legal
Evidence:
- chapter "Merge and decision combined" in uml-diagrams.org: UML Activity Diagrams Reference
- "Figure 15.34 Combined MergeNode/DecisionNode notation" in www.omg.org/spec/UML/2.5/Beta2
- picture "Decision node and merge node used together, sharing the same symbol" in "Figure 12.76 - Decision node notation" in www.omg.org/spec/UML/2.4.1/Superstructure
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