Real-time UML - Second edition
Developing efficient objects for embedded systems
Résumé
The increasing complexity of embedded and real-time systems requires a more premeditated and sophisticated design approach for successful implementation. The object-based Unified Modeling Language (UML) can describe the structural and behavioral aspects critical to real-time systems, and has come to the fore as an outstanding medium for effective design.
Like its best-selling predecessor, Real-Time UML, Second Edition, provides an overview of the essentials of real-time systems and an introduction to UML that focuses on its use in design and development. The book examines requirements analysis, the definition of object structure and object behavior, architectural design, mechanistic design, and more detailed designs that encompass data structure, operations, and exceptions. Numerous figures help illustrate UML design techniques, and detailed, real-world examples show the application of those techniques to embedded systems.
This edition features version 1.3 of the UML standard and includes extensive coverage of the action semantics metamodel and statecharts, as well as further descriptions and demonstrations of how to effectively apply use cases and capture object models and state behavior. Real-Time UML, Second Edition, also introduces an elaboration of the author's proven product development process, Rapid Object-Oriented Process for Embedded Systems (ROPES), and a new appendix on the UML extension process.
Key topic coverage includes:
- Specifying external events
- Identifying use cases
- Response time
- Concurrent collaboration diagrams
- Key strategies for object-identification
- Defining object state behavior
- UML state diagrams
- Orthogonal components and concurrency
- Implementing state machines
- Representing physical architecture in UML
- Safety and reliability patterns
- Concurrent state diagrams
- Assigning priorities
- State behavior patterns
TABLE OF CONTENTS
Figure List
About the Author
Foreword by David Harel
Preface to the Second Edition
Preface to the First Edition
Acknowledgments
Chapter 1: Introduction to Real-Time Systems and
Objects
1.1 What Is Special About Real-Time Systems?
1.2 Dealing with Time
1.3 Model-Based Development
1.3.1 Development Activities of the ROPES Process
1.4 Advantages of Objects
1.5 Object Orientation with UML
1.5.1 Objects
1.5.2 Attributes
1.5.3 Behavior
1.5.4 Messaging
1.5.5 Concurrency
1.5.6 Classes
1.5.7 Relations among Classes and Objects
1.6 UML Diagrams and Notation
1.7 A Look Ahead
1.8 References
Chapter 2: Requirements Analysis of Real-Time
Systems
2.1 Use Cases
2.1.1 Actors
2.1.2 Requirements
2.1.3 Use Case Relations
2.1.4 Using Use Cases
2.2 Filling Out the Details of the Use Cases
2.2.1 Scenarios
2.2.2 Sequence Diagrams
2.2.3 Message Properties
2.2.4 Capturing Time and Timelines
2.2.5 Statecharts and Use Cases
2.3 Identifying Use Cases
2.4 Looking Ahead
2.5 References
Chapter 3: Analysis: Defining the Object Structure
3.1 The Object Discovery Process
3.2 Connecting the Object Model with the Use Case
Model
3.3 Key Strategies for Object-Identification
3.3.1 Underline the Noun Strategy
3.3.2 Identify the Casual Objects
3.3.3 Identify Services (Passive Contributors)
3.3.4 Identify Real-World Items
3.3.5 Identify Physical Devices
3.3.6 Identify Key Concepts
3.3.7 Identify Transactions
3.3.8 Identify Persistent Information
3.3.9 Identify Visual Elements
3.3.10 Identify Control Elements
3.3.11 Apply Scenarios
3.4 Identifying Object Associations
3.5 Object Attributes
3.6 Discover Candidate Classes
3.7 Class Diagrams
3.7.1 Elevator Class Diagram Example
3.8 Defining Class Relationships and Associations
3.8.1 Associations
3.8.2 Aggregations and Composition
3.8.3 RTOS Example
3.8.4 Associative Classes
3.8.5 Generalization Relationships
3.9 Looking Ahead
3.10 References
Chapter 4: Analysis: Defining Object Behavior
4.1 Object Behavior
4.1.1 Simple Behavior
4.1.2 State Behavior
4.1.3 Continuous Behavior
4.2 Defining Object State Behavior
4.3 UML Statecharts
4.3.1 Basic Statecharts
4.3.2 And-States
4.3.3 Submachines
4.3.3 Inherited State Models
4.3.4 Cardiac Pacemaker Example
4.4 The Role of Scenarios in the Definition of
Behavior
4.4.1 Timing Diagrams
4.4.2 Sequence Diagrams
4.4.3 Event Hierarchies
4.5 Defining Operations
4.5.1 Types of Operations
4.5.2 Strategies for Defining Operations
4.6 Looking Ahead
4.7 References
Chapter 5: Architectural Design
5.1 Overview of Design
5.2 What Is Architectural Design?
5.2.1 Physical Architecture Issues
5.2.2 Software Architecture Issues
5.3 Representing Physical Architecture in UML
5.4 Architectural Patterns
5.4.1 Master-Slave Pattern
5.4.2 Microkernel Pattern
5.4.3 Proxy Pattern
5.4.4 Broker Pattern
5.5 Concurrency Design
5.6 Representing Tasks
5.6.1 System Task Diagram
5.6.2 Concurrent State Diagrams
5.7 Defining Threads
5.7.1 Identifying Threads
5.8 Assigning Objects to Threads
5.9 Defining Thread Rendezvous
5.9.1 Sharing Resources
5.9.2 Assigning Priorities
5.10 Looking Ahead
5.11 References
Chapter 6: Mechanistic Design
6.1 What Is Mechanistic Design?
6.2 Mechanistic Design Patterns
6.2.1 Simple Patterns
6.2.2 Reuse Patterns
6.3 Looking Ahead
6.4 References
Chapter 7: Detailed Design
7.1 What Is Detailed Design?
7.2 Data Structure
7.2.1 Data Collection Structure
7.3 Associations
7.4 Operations
7.5 Visibility
7.6 Algorithms
7.7 Exceptions
7.8 Summary
7.9 References
Appendix A: Notational Summary
Appendix B: The Future of the UML for Real-Time
Index
L'auteur - Bruce Powel Douglass
Bruce Powel Douglass is the Chief Evangelist for i-Logix, a leading producer of tools for real-time systems development. He contributed to the original specification of the UML and is one of the co-chairs of the Object Management Groupis Real-Time Analysis and Design Working Group. He also consults for a number of companies and organizations, including NASA, on building large-scale, real-time, safety-critical systems. He is the author of four other books, including Doing Hard Time: Developing Real-Time Systems with UML, Objects, Frameworks, and Patterns (Addison-Wesley).
Autres livres de Bruce Powel Douglass
Caractéristiques techniques
| PAPIER | |
| Éditeur(s) | Addison Wesley |
| Auteur(s) | Bruce Powel Douglass |
| Parution | 01/02/2000 |
| Nb. de pages | 328 |
| Format | 18,5 x 23,5 |
| Poids | 550g |
| EAN13 | 9780201657845 |
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