9.12 Modeling Activity Hierarchies Using Block Definition Diagrams
Activities can be represented as hierarchies in a very similar way to blocks using a block definition diagram. When represented in this way, the activity hierarchies resemble traditional functional decomposition hierarchies.
9.12.1 Modeling Activity Invocation Using Composite Associations
Invocation of activities via call behavior actions is modeled using the standard composition association where the calling activity is shown at the black diamond end and the called activity is at the other end of the association. On a block definition diagram, activities are shown using a block symbol with the keyword «activity». The role name is the name of the call behavior action that performs ...
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