Inhalt

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   Abstract
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   Acknowledgements
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   Contents
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  1 Introduction
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   1.1 Motivation: middleware for mobile systems
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   1.2 Problems with architecture-centric approaches
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   1.3 Objectives of the thesis
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   1.4 Our approach
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   1.5 Structure of the thesis
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  2 The Problem Domain
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   2.1 Overview
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   2.2 Middleware for distributed systems
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  2.3 Middleware for mobile systems
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   2.3.1 Mobile systems
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   2.3.2 Mobile applications
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   2.3.3 Problems with mobile application development
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   2.3.4 Middleware for mobile systems
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  2.4 Middleware for mobile systems: examples
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   2.4.1 Event-based (or publish / subscribe) middleware
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   2.4.2 Tuple space-based middleware
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   2.4.3 Object and component middleware
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   2.4.4 Generalization of commonalities
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  2.5 Aspects to be modeled
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   2.5.1 Modeling mobility
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   2.5.2 Modeling other aspects
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  3 Related Work
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   3.1 Overview
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  3.2 Requirements
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   3.2.1 Requirements for style specification
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   3.2.2 Requirements for the modeling language
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  3.3 Survey of related work
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   3.3.1 Survey of architectural styles
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   3.3.2 Survey of modeling languages
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  4 An Overview of the Approach
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   4.1 Overview
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   4.2 The architectural style for the middleware
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   4.2.1 Middleware-induced style
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   4.2.2 Layered structure of the style
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  4.3 The modeling and simulation framework
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   4.3.1 Style-based modeling
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   4.3.2 The style for the middleware
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   4.3.3 Refinement
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   4.3.4 Simulation
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  5 Architectural Style-based Modeling
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   5.1 Overview
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  5.2 Background of the TGTS
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   5.2.1 Graphs and graph morphism
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   5.2.2 Graphs and object-oriented modeling
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   5.2.3 Rules and graph transformation
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   5.2.4 Metamodeling
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   5.2.5 Typed graph transformation system and style specification
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   5.3 Specification of the style
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   5.3.1 Structural part
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   5.3.2 Behavioral part
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   5.3.3 Syntax and semantics of the modeling language
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  6 Style Examples
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   6.1 Overview
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  6.2 The middleware for nomadic networks
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   6.2.1 Architectural commonalities
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   6.2.2 The concrete middleware: Wireless CORBA
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   6.3 Conceptual style
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   6.3.1 Structural part
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   6.3.2 Behavioral part
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  6.4 Platform-independent concrete style
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   6.4.1 Structural part
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   6.4.2 Behavioral part
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  6.5 Platform-specific concrete style: Wireless CORBA
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   6.5.1 Structural part
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   6.5.2 Behavioral part
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   6.5.3 IDL semantics specification
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  7 Style Refinement
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   7.1 Overview
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   7.2 Requirements for the refinement
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   7.3 Existing approaches and open problems
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   7.4 Rule mapping - based style refinement
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   7.4.1 Structural refinement
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   7.4.2 Behavioral refinement
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   7.4.3 Refinement of the TGTS - based style
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   7.5 Evaluation and comparison
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  8 Style Simulation and Tools
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   8.1 Overview
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   8.2 Graph transformation simulation tools
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   8.2.1 Requirements for the tool
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   8.2.2 AGG
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   8.2.3 PROGRES
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   8.2.4 Fujaba
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   8.2.5 Evaluation and comparison
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  8.3 Style-based simulation
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   8.3.1 Style specification and simulation
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   8.3.2 Efficient validation
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   8.3.3 Refinement consistency check
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   8.3.4 Behavioral consistency check
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   8.3.5 Style - based engineering
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  9 Conclusion
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  9.1 Evaluation
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   9.1.1 Evaluating the style specification
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   9.1.2 Evaluating the modeling language
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   9.2 Relevance to practice
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   9.2.1 Style and design
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   9.2.2 The conceptual style and design
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   9.2.3 The platform-independent concrete style and design
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   9.2.4 The platform-specific concrete style and design
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   9.3 Contributions
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  9.4 Future work
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   9.4.1 Industry project experience
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   9.4.2 Automation and tool support
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   9.4.3 Development of other architectural styles
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   9.4.4 Model based testing
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   A OMG Wireless CORBA IDL
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   Bibliography
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   List of Figures
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   List of Tables