Specification of Reactive Hardware/Software Systems - Electronic ...

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8 Introduction To check the consistency of concepts, formal techniques are applied either directly or indirectly. Abstraction of a problem domain. Chapter 4 describes the concepts required for modelling a problem domain. The central concept in this chapter is the object. The object is the building block for our specification models. Concepts for the integration of specification and design. Chapter 5 describes and selects concepts for architecture design, multidisciplinary views, transformations and refinement. Modelling of concurrent reactive behaviour. Chapter 6 describes and selects the concepts for the modelling of concurrent reactive behaviour. These concepts involve concurrency, synchronisation, communication, scenarios and distribution. Introduction to the Semantics of POOSL. Chapter 7 gives a brief introduction of the POOSL language, which is the formal backbone of the SHE method. POOSL is a language with a formal mathematical semantics. Chapter 7 explains the reasons why we developed a formal language. It further introduces some basic mathematics that is assumed to be known in chapters 8,9 and 10. Data part of POOSL. POOSL consists of a data part and a process part. In Chapter 8, the data part is explained in detail and a formal mathematical semantics is developed. Process part of POOSL. In Chapter 9 the process part of POOSL, together with a rigorous mathematical semantics, is developed. Chapter 9 gives a review of the development process of POOSL. Behaviour-preserving transformations. An important part of the SHE method is formed by behaviour-preserving transformations. They are used to modify the structure of transformations without changing their behaviour. In Chapter 10 a system of 15 basic behaviour-preserving transformations is developed. The correctness of each of the transformations is proven. SHE framework. In Chapter 11, the chosen concepts and the formal language are actually combined into the specification method SHE. An activity framework that guides the modelling and specification activities is introduced. Chapter 11 further describes modelling guidelines and heuristics. Case Study. In Chapter 12 the SHE method is applied to a real-life industrial problem. A (part of a) specification of a personalised mailing-machine is given. Conclusions and Future Work. In Chapter 13 we derive our conclusions and we give recommendations for future work.
1.2 Thesis Organisation 9 Recommendations for Reading this Thesis For a complete reading we recommend reading in the natural sequential order. For application of the method we recommend to read successively Chapters 1,4,5 and 6, Sections 7.2,8.2, 8.3,9.2 and 9.3, and Chapters 11 and 12. For specific scientific interest there are in principle separate topics in this thesis: Background of the design of the method, Chapters 1,2,3,4,5,6 and 7. Research overview of related work, Chapter 2. Object-oriented concepts, Chapters 4 and 6. Architecture and structure design, Chapter 5. Communication, concurrency and distribution, Chapter 6. Design of a formal language and semantics: Chapter 7,8 and 9. Behaviour-preserving transformations: Chapter 10. Justification The responsibilities for the material in this thesis are as follows: P.H.A. van der Putten is responsible for Chapters 3,4,5,6 and 11. J.P.M. Voeten is responsible for Chapters 7,8,9 and 10 and Appendices A, B and C. The other material has been created in a joint effort.
Page 1 and 2: Specification of Reactive Hardware/
Page 3: to Leny, Inge and our parents
Page 7 and 8: Contents Acknowledgements v 1 Intro
Page 9 and 10: CONTENTS ix 4.6.5 Aggregate Semanti
Page 11 and 12: CONTENTS xi 6 Modelling of Concurre
Page 13 and 14: CONTENTS xiii 6.6.7.2 System Specif
Page 15 and 16: CONTENTS xv 11.4.2.3 Requirements C
Page 17 and 18: List of Figures 1.1 Chapter Overvie
Page 19 and 20: LIST OF FIGURES xix 6.16 Strongly D
Page 21 and 22: Chapter 1 Introduction 1.1 Objectiv
Page 23 and 24: 1.1 Objectives 3 understood and sti
Page 25 and 26: 1.1 Objectives 5 Informal and Forma
Page 27: 1.2 Thesis Organisation 7 Chapter 1
Page 31 and 32: Chapter 2 On Specification of React
Page 33 and 34: 2.3 Specifications, Models and View
Page 39 and 40: 2.4 Specification Languages, Formal
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Page 43 and 44: 2.5 Modelling Concepts 23 entirety.
Page 45 and 46: 2.5 Modelling Concepts 25 Tradition
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Page 73 and 74: 3.7 Summary and Concluding Remarks
Page 75 and 76: Chapter 4 Abstraction of a Problem
Page 77 and 78: 4.1 Introduction 57 earlier phase t
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4.2 Objects 59 An object can mean t
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4.2 Objects 61 wonder what other ob
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4.3 Classes 63 A message interface
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4.3 Classes 65 Class B Attributes M
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4.4 Data Objects and Process Object
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4.5 Clusters 79 flows. Clusters ena
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4.6 Aggregates 81 Therefore a compl
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4.6 Aggregates 83 4.6.4 Clustered A
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4.6 Aggregates 85 An old philosophi
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4.7 Identity and Object Identifiers
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4.8 Properties of Composites 89 for
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4.8 Properties of Composites 91 com
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4.8 Properties of Composites 93 Whe
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4.8 Properties of Composites 95 In
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4.9 Channel Hiding 97 Servant A Sup
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4.11 Composites and Hierarchies 99
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4.12 Object Variety 101 Part class
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4.13 Object Class Models 103 Anothe
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4.13 Object Class Models 105 of obj
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4.14 Attributes and Variables 107 c
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4.14 Attributes and Variables 109 4
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4.15 Operations, Services, Methods
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4.15 Operations, Services, Methods
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4.17 Summary 115 Accidental Propert
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Chapter 5 Concepts for the Integrat
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5.2 Architecture 119 Requirements D
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5.3 Design Philosophy 121 this. The
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5.4 Essential Model and Extended Mo
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5.4 Essential Model and Extended Mo
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5.6 Architecture and Implementation
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5.7 Views 129 Management £ £ £ P
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5.7 Views 131 Behaviour Behaviour U
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5.8 Boundaries 133 5.8 Boundaries 5
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5.8 Boundaries 135 x x Object A y z
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5.8 Boundaries 137 x w w x Object A
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5.8 Boundaries 139 In Chapter 10 we
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5.9 Transformations 141 The modific
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5.10 Formalisation 143 Level 1 Leve
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5.11 Summary 145 Behaviour Requirem
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Chapter 6 Modelling of Concurrent R
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6.2 Concurrency and Synchronisation
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6.3 Communication 157 between proce
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6.3 Communication 159 or to transfo
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6.3 Communication 161 6.3.3.4 Messa
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6.3 Communication 163 Synchronous m
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6.3 Communication 165 channel-name
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6.3 Communication 167 can be descri
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6.3 Communication 169 statement aft
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6.3 Communication 171 (normalCourse
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6.3 Communication 173 ∞ client re
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6.3 Communication 175 There is a gr
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6.3 Communication 177 process A pro
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6.3 Communication 179 Clocks An int
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6.3 Communication 181 whether the s
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6.3 Communication 183 6.3.9.4 Model
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6.3 Communication 185 6.3.10.2 Desc
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6.4 Distribution 187 force to take
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6.4 Distribution 189 is that the in
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6.4 Distribution 191 links to each
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6.4 Distribution 193 6.4.6 Distribu
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6.5 Scenarios 195 entities. This su
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6.5 Scenarios 197 startJob readyToA
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6.5 Scenarios 199 collection of tex
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6.6 Dynamic Behaviour 201 selection
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6.6 Dynamic Behaviour 203 processes
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6.6 Dynamic Behaviour 205 even for
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6.6 Dynamic Behaviour 207 with the
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6.6 Dynamic Behaviour 209 6.6.4 Sep
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6.6 Dynamic Behaviour 211 6.6.5 Mod
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6.6 Dynamic Behaviour 213 to pay at
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6.6 Dynamic Behaviour 215 A method
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6.6 Dynamic Behaviour 217 to happen
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6.6 Dynamic Behaviour 219 c a Multi
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6.6 Dynamic Behaviour 221 but not t
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6.7 Real-Time Modelling 223 claimed
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6.7 Real-Time Modelling 225 in the
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6.8 Summary 227 They can graphicall
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Chapter 7 Introduction to the Seman
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7.2 A Brief Language Characterisati
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7.3 The Role of Semantics 233 7.3 T
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7.4 Mathematical Preliminaries 235
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7.4 Mathematical Preliminaries 237
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7.5 Concluding Remarks 239 0 ¡ Bin
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Chapter 8 Data Part of POOSL Chapte
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8.3 Formal Syntax 243 runk, and cun
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8.4 Context Conditions 245 Further,
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8.5 A Computational Semantics 247 T
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8.5 A Computational Semantics 249 w
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8.5 A Computational Semantics 251 s
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8.6 Primitive deepCopy Messages 253
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8.6 Primitive deepCopy Messages 255
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8.7 Example: Complex Numbers 257 is
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8.8 Summary and Concluding Remarks
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Chapter 9 Process Part of POOSL Cha
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9.3 Formal Syntax 263 In almost any
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9.3 Formal Syntax 265 The fourth st
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9.3 Formal Syntax 267 call of the f
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9.4 Context Conditions 269 We are n
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9.5 A Computational Interleaving Se
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9.6 Example: A Simple Handshake Pro
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9.7 The Development of POOSL 291 is
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9.7 The Development of POOSL 293 da
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9.7 The Development of POOSL 295 e
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9.7 The Development of POOSL 297 Em
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9.7 The Development of POOSL 299 (o
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9.8 Summary 301 To prepare the deve
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Chapter 10 Behaviour-Preserving Tra
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10.2 Instance Structure Diagrams 30
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10.2 Instance Structure Diagrams 30
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10.3 Some Properties of Transformat
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10.4 A System of Basic Transformati
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10.5 Example: The Elevator Problem
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10.7 On the Fundamental Limitations
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10.7 On the Fundamental Limitations
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10.8 Summary 331 are transformation
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Chapter 11 SHE Framework Chapter 1
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11.2 SHE Context and Phases 335 Inf
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11.2 SHE Context and Phases 337 a p
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11.2 SHE Context and Phases 339 11.
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11.3 SHE Framework 341 the system.
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11.4 Essential Specification Modell
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11.5 Extended Specification Modelli
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Chapter 12 Case Study Chapter 1 Cha
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12.2 Initial Requirements Descripti
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12.3 The Essential Specification 37
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12.4 Towards an Extended Specificat
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12.5 Concluding Remarks 399 i1 DIST
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12.5 Concluding Remarks 401 Feeder
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Chapter 13 Conclusions and Future W
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13.2 P.H.A. van der Putten’s Cont
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13.2 P.H.A. van der Putten’s Cont
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13.4 Related Results 409 The notion
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Appendix A The POOSL Transition Sys
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A.1 The Data Part of POOSL 413 (12)
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A.2 The Process Part of POOSL 415 A
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A.2 The Process Part of POOSL 417 (
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A.2 The Process Part of POOSL 419 (
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A.2 The Process Part of POOSL 421 i
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Appendix B Proofs of Propositions a
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Proofs of Propositions and Transfor
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Appendix C Glossary of Symbols This
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Glossary of Symbols 437 267 Cp ¥¡
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References [AB90] P. America and F.
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REFERENCES 441 [C [C [C 86] B. Cohe
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REFERENCES 443 [Her90] A.J.H. Herbe
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REFERENCES 445 [MV93] S. Mauw and G
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REFERENCES 447 [vE89] P. van Eijk.
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Index abort, 297 abstract action so
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INDEX 451 strong, 190, 293 subsyste
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INDEX 453 delay, 178 do-statement,
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Summary This combined thesis descri
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Samenvatting Dit gecombineerde proe
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Curricula Vitae Piet van der Putten
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