GSA 544 Day 5
Advanced Business Process Modeling Notation Specialized Gateways Message & Timer Events
Terms in this set (9)
Types of Gateways
Exclusive Gateways (or)
Flow must follow only one path out of the gateway based on the decision, and only one of the downstream activities can take place
You can put the conditions that need to be met on the arrows going to Tasks B & C (e.g., Total > $3000; Total <= $3000)
Inclusive Gateways (or)
More than one downstream activity following the gateway can occur
Flow can continue to none, one, two or all three activities.
It is good practice to include a default path used if none of the conditions are met. Just label this as 'default' on the diagram.
Parallel Gateways (and)
Outgoing - all branches are activated simultaneously
Merging - waits until all branches have completed before continuing
Flow continues along all paths simultaneously. Note: There are no conditions to be met; all paths are always followed in parallel.
Initiated by an external event (something outside of the system)
Each occurrence of a subsequent event starts a new process instance
As before, you can also describe the conditions to be met on the arrows.
Used to depict a situation where the other symbols are inadequate in describing the decision logic. Additional descriptive information needs to be provided to explain fully.
Messages and Timer
Untyped, Start Message, End Message, Intermediate Message.
Start Timer (Starts at 6pm everyday)
Intermediate Link Event (from previous or to next diagram)
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