Consider Swimareas For Complex Diagrams.A good rule of thumb is that swimlanes are best applied to linear processes, unlike the one depicted in Figure 2. A UML activity diagram for the enterprise architectural modeling (simplified). Figure 2 includes three swimlanes, one for each actor.įigure 2. Figure 2 depicts a simplified description of the software process of enterprise architectural modeling, a part of the Enterprise Unified Process (EUP). There is significant opportunity for parallelism in this process, in fact all of these activities could happen in parallel, but forks were not introduced because they would only have cluttered the diagram.Ī swimlane is a way to group activities performed by the same actor on an activity diagram or to group activities in a single thread. In UML 2 it is not required to have a join, but it usually makes sense. In general, for every start (fork) there is an end (join).
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