Rational Developer for System z, Version 7.6

Validity of the activity diagram

Validation of an activity diagram representing a COBOL program must meet certain criteria.

The activity diagram represents a single flow of control and/or of data that represents a single thread in the program. An activity diagram representing a COBOL program is valid if all of the following conditions are met:

As a consequence, an action node that has more than one incoming edge represents either the first node of a cycle in the activity diagram or a node that can be reached by multiple paths from the InitialNode. One of the path will be considered as part of the "main" flow of control, and any other path will be considered as GOTO statement. Other topics discuss cycles, loops, and GOTO statements.


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