Foreword     xixCHAPTER 1: Introduction     1 1.1 About This Book     2 Objectives of This Book     2 Who This Book Is For     2 What This Book Does Not Cover     3 1.2 Prerequisite Reading     3 How This Book Is Organized     4 1.3 How Principles and Patterns Are Used in This Book     7 1.4 Symbols and Figures     7 1.5 Additional Information     7 Updates, Errata, and Resources (www.servicetechbooks.com)      8 Referenced Specifications (www.servicetechspecs.com)      8 The Service Technology Magazine (www.servicetechmag.com)      8 Service-Orientation (www.serviceorientation.com)      8 What Is REST? (www.whatisrest.com)      8 What Is Cloud? (www.whatiscloud.com)      8 SOA and Cloud Computing Design Patterns (www.soapatterns.org, www.cloudpatterns.org)      8 SOA Certified (SOACP) Professional (www.soaschool.com)      9 Cloud Certified Professional (CCP) (www.cloudschool.com)      9 Big Data Science Certified Professional (BDSCP) (www.bigdatascienceschool.com)      9 Notification Service     9 CHAPTER 2: Case Study Examples     11 2.1 How Case Study Examples Are Used     12 Style Characteristics     12 Relationship to Abstract Content     12 Code Samples     12 2.2 Case Study Background: NovoBank     13 Technical Infrastructure     13 Automation Solutions     13 Business Obstacles and Goals     14 Future IT Roadmap     15 1. Build Reusable Business Services     15 2. Consolidate Information     16 3. Improve Channel Experience     16 4. Build Services Infrastructure     16 2.3 Case Study Background: SmartCredit Co     16 Technical Infrastructure     17 Automation Solutions     17 Business Goals     17 Future IT Roadmap     18 PART I: FUNDAMENTALSCHAPTER 3: Fundamental SOA Concepts     21 3.1 Basic Terminology and Concepts     22 Service-Oriented Computing     22 Service-Orientation     24 Service-Oriented Architecture (SOA)      27 SOA Manifesto     28 Services     29 Cloud Computing     29 IT Resources     30 Service Models     30 Agnostic Logic and Non-Agnostic Logic     31 Service Inventory     32 Service Portfolio     32 Service Candidate     33 Service Contract     33 Service-Related Granularity     34 Service Profiles     35 SOA Design Patterns     36 3.2 Further Reading     38 CHAPTER 4: Basic Java Distributed Technologies     39 4.1 Java Distributed Computing Basics     40 Java SE Architecture     41 Java EE Architecture     41 The Beginning of Java EE     41 Application Packaging and Deployment     44 Deployment Descriptors     44 Java EE Architectural Tiers     45 4.2 Java Distributed Technologies and APIs     46 Java SE APIs     46 RMI     46 RMI / IIOP     47 JNDI     48 JDBC     49 Java EE APIs     49 Contexts and Dependency Injection     49 JTA     50 Java EE Connector Architecture     51 EJB     51 Session EJBs     52 Persistence Entities     53 Service-Orientation Principles and the EJB Model     55 JMS     56 Message-Driven Beans     58 Security in Java EE     58 4.3 XML Standards and Java APIs     59 XML     59 XML Schema Definition     61 XSLT     63 JAXP     63 JAXB     64 4.4 Building Services with Java Components     64 Components as Services     65 Application Protocols     65 Service Contracts     68 Location     68 Operations     69 Messages     69 Further Considerations     70 Components as Services and Service-Orientation     71 Standardized Service Contract     71 Service Loose Coupling     71 Service Abstraction     72 Service Discoverability     72 4.5 Java Vendor Platforms     74 GlassFish Enterprise Server     74 IBM WebSphere Application Server     75 IBM WebSphere Application Server Community Edition     78 Oracle WebLogic Server     79 CHAPTER 5: Web-Based Service Technologies     81 5.1 SOAP-Based Web Services     82 Extensibility of Web Services Standards (WS-*)     88 WS-Addressing     89 SOAP with Attachments (SwA)      90 WS-ReliableMessaging     91 WS-Transaction     92 WS-Security     93 WS-Policy     94 Web Services Distributed Management     95 Common Web Services Middleware     95 Enterprise Service Bus (ESB)      95 Orchestration     97 Management and Monitoring     99 Registries and Repositories     99 Service Construction and Assembly     100 5.2 REST Services     101 HTTP Response Codes     102 Resources and Addresses     103 Service Request     104 Service Response     104 Service Request     104 Service Response     104 HTTP Methods     106 Resource Representations     108 The ACCEPT Header     109 CHAPTER 6: Building Web-Based Services with Java     111 6.1 JAX-WS     112 SAAJ     115 Handlers     118 Web Services Engines and Toolkits     119 JAXR     120 6.2 Java Implementations of WS-* Standards     122 Advanced Web Services Standards and Frameworks     122 Service Component Architecture     123 Spring-WS     124 6.3 JAX-RS     124 Implementing JAX-RS     125 Implementing REST Services     129 Scalability     130 Statelessness     131 Uniform Contract     131 Cacheability     131 Addressability     132 Security     132 REST Service Support     134 PART II: SERVICESCHAPTER 7: Service-Orientation Principles with Java Web-Based Services     139 7.1 Service Reusability     140 Agnostic Functional Contexts     140 Highly Generic Service Logic     141 Generic and Extensible Service Contracts     144 Concurrent Access to Service Logic     145 7.2 Standardized Service Contract     151 Top-Down vs. Bottom-Up     151 Mapping Between Java and WSDL     152 Wrapped Document/Literal Contracts     153 Implicit and Explicit Headers     154 Explicit Headers     154 Implicit Headers     157 No Headers     159 Data Mapping with REST     159 Conversion Between JSON and POJOs     161 Binary Data in Web Services     165 Binary Data in REST Services     170 Use of Industry Standards     175 7.3 Service Loose Coupling     176 Separation of Contract and Implementation     177 Independent Functional Contexts     179 Service Consumer Coupling     180 7.4 Service Abstraction     184 Abstracting Technology Details     185 Hiding Service Details     185 Document Constraints     188 7.5 Service Composability     189 Runtime Environment Efficiency     190 Service Contract Flexibility     192 Standards-Based Runtime     193 7.6 Service Autonomy     194 Well-Defined Functional Boundary     194 Runtime Environment Control     195 High Concurrency     196 7.7 Service Statelessness     197 Orchestration Infrastructure     198 Session State     198 Storing State     199 7.8 Service Discoverability     204 Design-Time Discoverability     204 Runtime Discoverability     205 Service Registries     208 CHAPTER 8: Utility Services with Java     211 8.1 Inside the Java Utility Service     212 Architectural Considerations     212 Utility Service Taxonomy     220 8.2 Utility Service Design and Implementation     221 Utility Service Design     221 Utility Services and Java Editions     226 Utility Services in Java SE     226 Utility Services in Java EE     227 Utility Services and Open-Source Frameworks     229 Spring Framework     229 Transaction Management     229 Data Access Objects     230 Object-Relational Mapping     230 JMS     230 JMX     230 JCA     231 Spring MVC      231 Hibernate     231 Commons Logging and Log4J     231 Utility Services as Web-Based Services     231 Sending XML Data as a String     232 Utilizing      233 Provider-Style Web Service Logic in JAX-WS     234 Building REST Utility Services     236 Testing Considerations     238 Packaging Considerations     239 8.3 Utility Service Types     240 Omni Utility Services     240 Design Considerations     241 Service Implementation     241 Service Consumption     241 Resource Utility Services     248 Persistence/Data Access Resources     248 Messaging Resources     248 Transaction Resources     249 Design Considerations     249 Service Implementation     251 Service Consumption     251 Micro-Utility Services     253 Design Considerations     253 Service Implementation     253 Service Consumption     254 Wrapper Utility Services     257 Design Considerations     258 Service Implementation     259 Service Consumption     259 CHAPTER 9: Entity Services with Java     261 9.1 Inside the Java Entity Service     262 Architectural Considerations     263 Domain Entities vs. Message Entities     265 Data Aggregation     266 Data Access Modes     267 Change Notifications     268 9.2 Java Entity Service Design and Implementation     270 Entity Service Design     270 Designing Domain Entities and Message Entities     271 Designing Stateless Entity Services     272 Designing Business-Relevant Entity Services     273 Designing Generic Entity Services     273 Designing Aggregating Entity Services     275 Entity Service Implementation     278 Java Editions     278 Entity Services as Web-Based Services     282 Entity Web Services Using SOAP     283 REST Entity Services     291 Read-Only and Read-Write Resources     292 Resource Granularity     292 Resource Creation and Location     292 Request Message     292 Response Message     293 Resource Relationships     294 Request Message     294 Response Message     294 Request Message     295 Resource Collections     295 Request Message     295 Response Message     295 Aggregate Entities     297 Request Message     298 Response Message     298 Open-Source Frameworks     302 Testing Considerations     302 Java Packaging Considerations     303 PART III: SERVICE COMPOSITION AND INFRASTRUCTURECHAPTER 10: Task Services with Java     307 10.1 Inside a Task Service     308 Performance Considerations     315 10.2 Building Task Services     316 Implementation Considerations     316 Web-Based Task Services     320 Task Services with SOAP and WSDL     320 Task Services with REST     324 Testing Considerations     332 Packaging Considerations     334 CHAPTER 11: Service Composition with Java     335 11.1 Inside Service Compositions     336 Service Composition Roles     336 Compositions and MEPs     337 Synchronous and Asynchronous Invocation     338 Service Level Agreements (SLAs)      339 11.2 Java Service Composition Design and Implementation     340 Composition Logic: Coding vs. Orchestration     340 REST Service Composition Considerations     341 Composition Member Endpoints     344 Error Handling     345 Schema Type Reuse     353 Web-Based Services vs. Java Components     359 Packaging, Testing and Deploying Composed Services     362 11.3 Service and Service Composition Performance Guidelines     368 Measuring Performance     368 Testing Performance     370 Caching     371 Data Grids     371 REST Caching     372 Scaling Out Services with State     374 Handling Failures     375 Parsing and Marshaling     376 CHAPTER 12: ESB as SOA Infrastructure     379 12.1 Basic Traditional Messaging Frameworks     380 RPC vs. Messaging     381 Technology Coupling     82 Spatial Coupling     382 Temporal Coupling     382 Message Producers and Message Consumers     385 12.2 Basic Service Messaging Frameworks     389 Basic Service Message Processing without ESBs     389 Message Routing without an ESB     390 Message Transformation without an ESB     391 Basic Service Message Processing with ESBs     392 Message Routing with an ESB     392 Message Transformation with an ESB     392 12.3 Common ESB Features Relevant to SOA     397 Service Lookup and Invocation     397 Service Processing     399 Service Composition Support      401 REST API Management Support     402 PART IV: APPENDICESAPPENDIX A: Case Study Conclusion     405 A.1 NovoBank     406 A.2 SmartCredit Co.     407 APPENDIX B: Service-Orientation Principles Reference     409APPENDIX C: SOA Design Patterns Reference     425APPENDIX D: The Annotated SOA Manifesto     519About the Authors     533About the Foreword Contributor     535About the Contributors     537Index     539

The only detailed, hands-on tutorial on building and implementing service-oriented solutions with lightweight Java frameworks and mainstream Java services technology Fully covers Java, Web service and REST technologies, helping you build superior solutions by combining proven principles, patterns, and practices Shows how to implement SOA solutions with lightweight Java frameworks such as Spring, Mule, and ServiceMix Covers key specifications including Service Data Objects (SDO) and Service Component Architecture (SCA) Authored by Thomas Erl, the world's #1 service technology author: the newest book in The Prentice Hall Service Technology Series from Thomas Erl