Modeling Companion for Software Practitioners
This book uses a variety of applications to illustrate a modeling method that helps practitioners to manage complex software-intensive systems. The proposed method relies on the combination of its abstraction concept and its operational character, with behavioral models in the precise and simple form of Abstract State Machines (ASMs).
The book introduces both the modeling method (Part I) and the available tool support (Part II): In Part I the authors detail (using numerous examples) how to construct, explain, debug, explore, extend and reuse accurate system design models, starting from scratch. Only an elementary knowledge of common mathematical (including set-theoretic) notation and some basic experience with computational processes (systems, programs, algorithms) is assumed. Part II then shows how the modeling method can be supported by implementing tools that make design models executable and debuggable.
To illustrate how to build, debug and maintain systems and to explain their construction in a checkable manner, a general, problem-oriented refinement method is adopted to construct system models from components. The method starts with abstract models and refines them step by step, incrementally adding further details that eventually lead to code.
Intended for practitioners who build software intensive systems, and students specializing in software engineering, it can be used both for self-study and for teaching, and it can serve as a reference book. Exercises are included to help readers check their understanding of the explained concepts. For many models defined in the book, refinements to executable versions can be downloaded for experimental validation from the book’s website at http://modelingbook.informatik.uni-ulm.de
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1WayStopGoLightSpec Abstract State Machines abstract storage actions agent algorithm ambient ASMs AODV apply ASM model ASM refinement ASM rules basic ASM behavior Börger BPMN breakpoint Business Process Modeling called choose communicating ASMs component computation concurrent Cond control state ASMs CoreASM correctness corresponding CSDs data center debugger defined definition Delegate pattern denotes destination destSeqNum(entry domain elements entry environment evaluated example execution flowchart forall formulate forsome function ground model hopCount implementation initial interaction interpretation language level of abstraction LNCS mailbox metamodeling multiset namely node notation Operation outgoing edges package parallel parser pattern phase plug-in predicate Proc Proxy Pattern received replicas request requirements resp route rreq scheduling Sect semantics sender sequential specification Springer step stepwise structure switch synchronous termination TerminationDetected timestamp tion translation trigger true undef update instructions update set variable VirtualProvider Visp