Abstract
Safety-Critical Java (SCJ) is a version of Java that supports the development of real-time, embedded, safety-critical software. SCJ introduces abstractions that enforce a simpler architecture, and simpler concurrency and memory models, to support easier certification. In this paper, we detail a refinement strategy that takes a state-rich process algebraic design specification that adheres to a cyclic executive pattern and produces an SCJ design that can be automatically translated to code. We then show how this refinement strategy can be extended to support more complex patterns that include non-terminating and multiple missions.
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