Stable Design Patterns for Software and Systems

447 Pages·2017·36.117 MB·English

by  Mohamed Fayad

Stable Design Patterns for
Software and Systems

Stable Design Patterns for
Software and Systems
Mohamed E. Fayad
CRC Press
Taylor & Francis Group
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Contents
Preface..........................................................................................................................................xxiii
Acknowledgments ........................................................................................................................xxvii
Author ...........................................................................................................................................xxix
Section i introduction
Chapter 1 Impact of Stability on Design Patterns’ Implementation .............................................3
1.1 Overview of Stable Design Patterns ..................................................................3
1.2 Introduction .......................................................................................................3
1.3 Context ...............................................................................................................4
1.4 Problem ..............................................................................................................4
1.5 Solution ..............................................................................................................5
1.6 Example .............................................................................................................5
1.7 Summary ...........................................................................................................6
1.8 Review Questions ..............................................................................................7
1.9 Exercises ............................................................................................................7
1.10 Projects ..............................................................................................................7
References ....................................................................................................................7
Chapter 2 Pitfalls Categories Overview: Pitfalls in Traditional Software
Patterns—The Factor of Immaturity ..........................................................................11
2.1 Introduction .....................................................................................................11
2.2 Traditional Patterns’ Pitfalls ............................................................................12
2.3 Summary .........................................................................................................32
2.4 Review Questions ............................................................................................32
2.5 Exercises ..........................................................................................................33
2.6 Projects ............................................................................................................33
Reference ....................................................................................................................33
Chapter 3 Engineering Stable Atomic Knowledge Patterns .......................................................35
3.1 Introduction .....................................................................................................35
3.2 Software Stability and Stable Patterns: An Overview ....................................36
3.3 SAK Patterns Concept .....................................................................................37
3.4 Essential Properties of SAK Patterns ..............................................................38
3.5 Engineering Process for Developing SAK Patterns ........................................39
3.6 Example of the SAK Patterns: AnyParty SAK Patterns .................................41
3.7 Summary .........................................................................................................42
3.8 Review Questions ............................................................................................44
3.9 Exercises ..........................................................................................................44
3.10 Projects ............................................................................................................44
References ..................................................................................................................44
Chapter 4 Stable Analysis and Design Patterns: Unified Software Engine ................................49
4.1 Introduction .....................................................................................................49
vii
viii Contents
4.2 Developing Software with Patterns .................................................................50
4.3 Stable Analysis Patterns ..................................................................................50
4.4 Proposed USE ..................................................................................................51
4.5 Example ...........................................................................................................52
4.6 Summary .........................................................................................................54
4.7 Review Questions ............................................................................................54
4.8 Exercises ..........................................................................................................55
4.9 Projects ............................................................................................................55
References ..................................................................................................................55
Section ii SDPs’ Detailed Documentation template
Chapter 5 AnyActor Stable Design Pattern .................................................................................59
5.1 Introduction .....................................................................................................59
5.2 AnyActor Design Pattern Document ...............................................................59
5.2.1 Pattern Name: AnyActor Stable Design Pattern ................................59
5.2.2 Known As ...........................................................................................60
5.2.3 Context ...............................................................................................60
5.2.4 Problem ..............................................................................................60
5.2.4.1 Functional Requirements ....................................................61
5.2.4.2 Nonfunctional Requirements ..............................................61
5.2.5 Challenges and Constraints ................................................................62
5.2.5.1 Challenges...........................................................................62
5.2.5.2 Constraints ..........................................................................62
5.2.6 Solution ...............................................................................................62
5.2.6.1 Pattern Structure and Participants ......................................64
5.2.6.2 Class Diagram Description .................................................64
5.2.6.3 CRC Cards ..........................................................................64
5.2.7 Consequences .....................................................................................65
5.2.7.1 Flexibility ............................................................................65
5.2.7.2 Reusability ..........................................................................65
5.2.8 Applicability with Illustrated Examples ............................................65
5.2.8.1 Application No. 1: AnyActor in Musical Theater Context....65
5.2.8.2 Application No. 2: AnyActor in the Network System.........68
5.2.9 Design and Implementation Issues .....................................................71
5.2.9.1 Design Issues (Only Two of the Following Issues) .............71
5.2.9.2 Implementation Issues (Two of the Following Issues) ........72
5.2.9.3 Implementation Delegation Pattern ....................................72
5.2.10 Related Patterns and Measurability ...................................................74
5.2.10.1 Traditional Model (Meta Model) versus Stable
Model (Pattern) ...................................................................74
5.2.11 Business Issues (Two of the Following Issues) ..................................77
5.2.11.1 Business Rules ....................................................................77
5.2.11.2 Business Models .................................................................77
5.2.11.3 Business Integration ............................................................77
5.2.11.4 Business Transformation ....................................................77
5.2.12 Known Usage .....................................................................................77
5.3 Tips and Heuristics ..........................................................................................78
5.4 Summary .........................................................................................................78
Contents ix
5.5 Review Questions ............................................................................................78
5.6 Exercises ..........................................................................................................79
5.7 Projects ............................................................................................................80
References ..................................................................................................................80
Chapter 6 AnyParty Stable Design Pattern .................................................................................85
6.1 Introduction .....................................................................................................85
6.2 AnyParty Design Pattern Document ...............................................................86
6.2.1 Pattern Name: AnyParty Stable Design Pattern .................................86
6.2.2 Known As ...........................................................................................86
6.2.3 Context ...............................................................................................86
6.2.4 Problem ..............................................................................................87
6.2.4.1 Functional Requirements ....................................................87
6.2.4.2 Nonfunctional Requirements ..............................................87
6.2.5 Challenges and Constraints ................................................................88
6.2.5.1 Challenges...........................................................................88
6.2.5.2 Constraints ..........................................................................88
6.2.6 Solution ...............................................................................................88
6.2.6.1 Pattern Structure and Participants ......................................90
6.2.6.2 Class Diagram Description .................................................90
6.2.6.3 CRC Cards ..........................................................................90
6.2.7 Consequences .....................................................................................91
6.2.8 Applicability with Illustrated Examples ............................................91
6.2.8.1 Application No. 1: AnyParty in Political Scenario .............91
6.2.8.2 Application No. 2: AnyParty in the Context of
Interaction between Two Countries ....................................93
6.2.9 Design and Implementation Issues .....................................................96
6.2.9.1 Design Issues (Two or Three of the Following Issues) .......96
6.2.10 Related Pattern and Measurability .....................................................97
6.2.10.1 Traditional Model (Meta Model) versus Stable Model
(Pattern) ..............................................................................98
6.2.10.2 Testability ...........................................................................98
6.2.11 Business Issues ...................................................................................98
6.2.11.1 Business Rules ....................................................................98
6.2.11.2 Business Models .................................................................98
6.2.11.3 Enduring Business Theme ..................................................98
6.2.11.4 Business Integration ............................................................98
6.2.11.5 Business Transformation ....................................................99
6.2.12 Known Usage .....................................................................................99
6.3 Tips and Heuristics ..........................................................................................99
6.4 Summary .........................................................................................................99
6.5 Review Questions ..........................................................................................100
6.6 Exercises ........................................................................................................101
6.7 Projects ..........................................................................................................101
References ................................................................................................................101
Chapter 7 AnyEntity Stable Design Pattern ..............................................................................105
7.1 Introduction ...................................................................................................105
7.2 AnyEntity Design Pattern Document ............................................................106
7.2.1 Pattern Name: AnyEntity Stable Design Pattern .............................106