Model-Based Systems Engineering with GENESYS

The Complete Set of Graphical Constructs

SEQUENCE

PARALLEL

SELECT

MULTIPLE-EXIT

LOOP

REPLICATE

ITERATE

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Summary: Functions, Items, Triggers, and Data Stores

• Enablement

• Data Stores

• Enablement is a control concept • A Function is enabled upon completion of the Function prior to it in the construct • Triggers • A Trigger is an Item that also provides a control role • Trigger is defined by a relationship (triggers) • Triggers are shown with a double arrowhead on EFFBD and single arrow on an Activity Diagram

• A Data Store is an Item that does not provide a control role • Data Store is defined by a relationship (input to) • Data Stores are shown with a single arrowhead on EFFBD and with the words <> on an Activity Diagram • Execution

• Before a Function can begin execution it must be enabled and triggered, if a trigger is defined

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