May 2002
Intermediate to advanced
416 pages
8h 37m
English
Content preview from Executable UML: A Foundation for Model-Driven Architecture
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10.2. Creating and Deleting Objects
Many classes have instances that are created and deleted over time. Actions can synchronously create and delete instances of other classes without state machines, as shown on these states of the Order in Figure 10.4.
Figure 10.4. Order Creates and Deletes Instances of Selection
The instances of Selection are created and deleted synchronously as part of the procedure. Likewise, the associations between the Order and the Selection are created and deleted directly in the procedures.
10.2.1. Asynchronous Creation and Deletion
Objects can be created and deleted asynchronously by sending signals. A generate signal ...
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