<p>A companion handbook to Shalaer and Mellor's popular <b>Object-Oriented Systems Analysis</b>, this book explains how to formalize the dynamic behavior and interaction of objects using state models, and how then to derive the system's required operations from the action of the state models. Extensive guidelines are provided for partioning of processes through data flow diagrams in order to maximize process reuse. Advanced topics include:layering, timers, contention problems, failure analysis, threads of control, alternative models of time, simulation, domain partioning, and transformation of object-oriented analysis into an object-oriented design. </p>

Object Lifecycles: Modeling the World in States

Computers & Technology

Shlaer, Sally

Mellor, Stephen J.

Programming

PRENTICE/HALL

Real-time and embedded systems are in widespread use in the modern world. From the microprocessor controller in a camera, through "smart" traffic lights and production control systems, to large defense systems, computer technology is increasingly a part of systems that control and respond to their environments in real-time. As the technology has improved, we have come to rely on these systems more and more --- we have even put our lives in their hands. Airplanes, biomedical accelerators, nuclear power plants, and the like all depend on real-time control to operate safely. A failure in a control system, such as not responding correctly to faults in the environment, could endanger many lives. Unfortunately, there is a tendency for developers to focuse too heavily on the intrcacies of the engineering and computer technology, to the detriment of understanding the real-world problem at hand. At best, this wastes time and resouces and at worst it is dangerous in light of the life-critical nature of today's systems. This misplaced focus can result at least partly from the lack of a comprehensive set of modeling tools and techniques fitted to the real-time development environment. This book provides the tools and techniques needed for visualizing and verifying the operation of a real-time system prior to construction, and demonstrates their usefulness.

Structured Development for Real-Time Systems

Ward, Paul T.

Civilizing Cyberspace: Policy, Power, and the Information Superhighway

History & Culture

Addison-Wesley Professional

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Books by Mellor, Stephen J.