July 2004
Intermediate to advanced
752 pages
35h 59m
English
book
Unified Modeling Language Reference Manual, The, Second Edition
by James Rumbaugh, Ivar Jacobson, Grady Booch
Content preview from Unified Modeling Language Reference Manual, The, Second Edition
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weight
The number of tokens consumed from a particular activity edge by the execution of an activity node.
Semantics
In the basic activity model, one token is consumed from an incoming edge by each execution of an activity node. In the advanced model, a weight may be placed on an edge to allow multiple tokens to be consumed by a single execution.
The weight is a positive integer attached to an edge that specifies the minimum number of tokens to be consumed from the edge. It may also have the special value all, which indicates that all available tokens on the edge are to be consumed whenever the node begins execution.
Notation
Weight is shown by placing a string on an activity edge with the format:
{ weight = value }
where value is a positive ...
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