NDLI: On the behavioral inheritance of state-based objects

Content Provider	IEEE Xplore Digital Library
Author	Harel, D. Kupferman, O.
Copyright Year	2000
Description	Author affiliation: Weizmann Inst. of Sci., Rehovot, Israel (Harel, D.)
Abstract	We consider the inheritance of state based behavior in object oriented analysis and design, as it arises, for example, in specifying behavior in the UML using statecharts. We concentrate on behavioral conformity and the resulting substitutability of classes, whereby the inheritance mechanism is to retain original behaviors. There are many deep and unresolved questions around this issue, which cannot be addressed without a clear and rigorous picture of what exactly is meant by behavioral conformity, and how computationally complex it is to detect. We first define a basic propositional level computational model for object oriented designs, and then define substitutability and inheritance in the linear and branching paradigms. We relate these to trace containment and R. Milner's (1971) notion of simulation and deduce the complexity of some of the relevant algorithmic problems. The paper thus sets the stage for further research on behavioral inheritance.
Starting Page	83
Ending Page	94
File Size	846689
Page Count	12
File Format	PDF
ISBN	0769507743
ISSN	15302067
DOI	10.1109/TOOLS.2000.868961
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-08-04
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Object oriented modeling Unified modeling language Computational modeling Computer science Runtime Mathematics Proposals Object oriented programming Writing Computer languages
Content Type	Text
Resource Type	Article
Subject	Engineering Computer Science

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