SOA and Web Services Interface Design
Principles, Techniques, and Standards
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In SOA and Web Services Interface Design, data architecture guru James Bean teaches you how to design web service interfaces that are capable of being extended to accommodate ever changing business needs and promote incorporation simplicity. The book first provides an overview of critical SOA principles, thereby offering a basic conceptual summary. It then provides explicit, tactical, and real-world techniques for ensuring compliance with these principles. Using a focused, tutorial-based approach the book provides working syntactical examples - described by Web services standards such as XML, XML Schemas, WSDL and SOAP - that can be used to directly implement interface design procedures, thus allowing you immediately generate value from your efforts. In summary, SOA and Web Services Interface Design provides the basic theory, but also design techniques and very specific implementable encoded interface examples that can be immediately employed in your work, making it an invaluable practical guide to any practitioner in today's exploding Web-based service market.
Key Features
- Provides chapters on topics of introductory WSDL syntax and XML Schema syntax, taking take the reader through fundamental concepts and into deeper techniques and allowing them to quickly climb the learning curve.
- Provides working syntactical examples - described by Web services standards such as XML, XML Schemas, WSDL and SOAP - that can be used to directly implement interface design procedures.
- Real-world examples generated using the Altova XML Spy tooling reinforce applicability, allowing you to immediately generate value from their efforts.
Readership
Technology practitioners involved in the design and development of SOA services and service interfaces including enterprise and integration architects responsible for defining company information architecture, computer software engineers who research and develop vendor SOA-based applications, and business solutions architects.
Table of Contents
- 1. SOA – A Common Sense Definition
1.1 Origins of SOA
1.1.1 Technology Becomes a Commodity
1.1.2 Technology Becomes an Enabler
1.1.3 Technology Becomes a Transformer
1.2 A Definition for SOA
1.3 Consumers, Services, and Intermediaries
1.4 Messaging - The Means of Interaction between Consumer and Services
1.5 SOA Capabilities
1.5.1 The Enterprise Service Bus - ESB
1.5.2 The Service Registry and Repository - SRR
1.5.3 Business Process Management - BPM
1.5.4 Business Activity Monitoring - BAM
1.5.5 Web Services Management - WSM
1.5.6 Closing the SOA Loop
1.6 The Benefits of SOA
2. Core SOA Principles
2.1 Loose Coupling
2.2 Interoperability
2.3 Reusability
2.4 Discoverability
2.5 Governance
2.5.1 Design-Time Governance
2.5.2 Bind-Time Governance
2.5.3 Run-Time Governance
3. Web Services vs. other Types and Styles of Services
3.1 Web Services and SOAP
3.2 ReST Style Services
3.3 Legacy Services and API’s
4. Data – the Missing Link
4.1 Data at Rest – Persistence
4.2 Data in Motion – Messaged Context
5. Data Services
5.1 Multiple and Disparate Data at Rest Sources
5.2 Resolving Data Impedance with a Data Service
5.3 CRUD Based Services
6. Transformation to Resolve Data Impedance
6.1 Transformation
6.2 Translation
6.3 Aggregation
6.4 Abstraction
6.5 Rationalization
7. The Service Interface - the “Contract”
7.1 Web Services Description Language – WSDL
7.2 XML Schemas – XSD
7.3 Extensible Markup Language - XML
8. Canonical Message Design
8.1 The message is a hierarchy
8.2 Top-Down canonical message design
8.3 Model Driven Interface Design
9. The Enterprise Taxonomy
9.1 Focus on Common Business Language for Discovery
9.2 Broadening and extending the taxonomy
9.3 Registry Entries and Discovery
10. XML Schema Basics
10.1 elements
10.2 attributes
10.3 simpleTypes
10.4 complexTypes
10.5 groups
10.6 namespaces
10.7 import, include
11. XML Schema Design Patterns
11.1 complexTypes
11.2 Referencing Global Declarations
11.3 Local Element Declarations
11.4 Reusable Schemas Without Namespaces
11.5 Reusing and Applying Namespaces
11.6 Reusing and Applying Namespaces to Schema Assemblies
11.7 Using substitutionGroups
12. Schema Assembly and Reuse
12.1 Namespaces
12.2 Schema Reuse by Reference and Assembly
12.3 Limitations and Complexities
13. The Interface and Change
13.1 Schema Extension
13.2 Schema Versioning
13.3 Change and Capabilities of the ESB and WSM
14. Service Operations and Overloading
14.1 Service Granularity
14.2 Scoping of Service Operations
14.3 Operations Overloading
15. Selective Data Fragmentation
15.1 Grouping Data by Expressed Affinity
15.2 Avoiding a Complex or Non-Deterministic Content Model
16. Update Transactions
16.1 Update Transactions and State
16.2 Request – Reply Message Exchange Patterns
16.3 Complexities of Fire and Forget for Updates
17. Fixed Length Transactions and Nulls
18. Document Literal Interfaces
19. Performance Analysis and Optimization Techniques
19.1 Uniformity of Structure
19.2 Navigation and Data Graphs
19.3 Depth of Nesting
19.4 Verbosity
19.5 Abstract vs. Specific Cardinality
19.6 To Validate or Not to Validate
20. Error Definition and Handling
A. Appendix
A.1 Glossary and Abbreviations
A.2 Web Services Standards
A.3 Bibliography and References
Product details
- No. of pages: 384
- Language: English
- Copyright: © Morgan Kaufmann 2009
- Published: September 25, 2009
- Imprint: Morgan Kaufmann
- Paperback ISBN: 9780123748911
- eBook ISBN: 9780080953830
About the Author
James Bean
James Bean is the President and CEO of the Relational Logistics Group. He is the author of the books: the "Sybase Client/Server EXplorer" © 1996 Coriolis Group Books and "XML Globalization and Best Practices" © 2001, and has written numerous magazine articles for technology journals. He is also the Chairman of the Global Web Architecture Group.
Affiliations and Expertise
CEO, Relational Logistics Group, Phoenix, Arizona, U.S.A.
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