Rational Developer for System z, Version 7.6

Relations between cycles

Certain criteria exist for relations between the cycles.

The relations that exists between the cycles that you can model on the activity diagram are as follows:

inclusion of cycles
A cycle can contain another cycle.
intermix of cycles
The body of a cycle can be partly shared by an another cycle.
Figure 1 shows an example of intermixed cycles.
Figure 1. Intermixed cycles
A Read action is followed by a decision that can lead to Open and Read or to Write, which is followed by a decision that can lead to the end or back to the Read action.

Modeling multiple cycles that have the same first node is not allowed.


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