Designing and Implementing Business Process Models : ARIS Method manual : Modeling BPMN 2.0 : Process : Gateways
Gateways
 
Exclusive gateway
Exclusive gateway
Parallel gateway
Complex gateway
Event-based gateways
The ARIS object type Rule depicts BPMN gateways. Although BPMN 2.0 knows five different gateway types, only one symbol is available in the Symbols bar:
BPMN: Gateway symbol
The remaining gateway symbols are handled by the program. The following figure depicts all (basic) gateway symbols.
BPMN: Different gateway symbols
For event-based gateways there are two additional symbols which are used to start a process:
BPMN: Event-based gateways
All in all the ARIS method will provide eight gateway symbols. Contrary to events, an ARIS attribute recording the gateway type is not required. It is up to the modeler to ensure that gateways are used in a semantically correct way. The modeler should not reuse gateways.
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