Structural model

One of the major issues with object‑based techniques is how to capture the logical structure of the system. Real‑time systems have a static nature such that their underlying instance structure exists once the system starts because we do not want to dynamically allocate and free memory during run time. Therefore, the static structure is an instance structure rather than a class structure, the primary view in most non-real-time object‑oriented systems. In IBM® Rational® Rhapsody®, therefore, the instance (or object) is the prime concept.

The structural model consists of the objects in the system and the static relationships that exist between them. Groups of objects can be partitioned into packages or subsystems. Object model diagrams define the structural model. This section describes the code generated from object model diagrams.


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