Service Design Patterns: Fundamental Design Solutions for SOAP/WSDL and RESTful Web Services

Addison-Wesley
3
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Web services have been used for many years. In this time, developers and architects have encountered a number of recurring design challenges related to their usage, and have learned that certain service design approaches work better than others to solve certain problems.

In Service Design Patterns, Rob Daigneau codifies proven design solutions for web services that follow the REST architectural style or leverage the SOAP/WSDL specifications. This catalogue identifies the fundamental topics in web service design and lists the common design patterns for each topic. All patterns identify the context in which they may be used, explain the constituent design elements, and explore the relative strengths and trade-offs. Code examples are provided to help you better understand how the patterns work but are kept general so that you can see how the solutions may be applied to disparate technologies that will inevitably change in the years to come.

This book will help readers answer the following questions:

  • How do you create a web service API, what are the common API styles, and when should a particular style be used?
  • How can clients and web services communicate, and what are the foundations for creating complex conversations in which multiple parties exchange data over extended periods of time?
  • What are the options for implementing web service logic, and when should a particular approach be used?
  • How can clients become less coupled to the underlying systems used by a service?
  • How can information about a web service be discovered?
  • How can generic functions like authentication, validation, caching, and logging be supported on the client or service?
  • What changes to a service cause clients to break?
  • What are the common ways to version a service? How can web services be designed to support the continuing evolution of business logic without forcing clients to constantly upgrade?

This book is an invaluable resource for enterprise architects, solution architects, and developers who use web services to create enterprise IT applications, commercial or open source products, and Software as a Service (SaaS) products that leverage emerging Cloud platforms.

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About the author

Robert Daigneau has more than twenty years of experience designing and implementing applications and products for a broad array of industries, from financial services, to manufacturing, to retail and travel. Rob has served in such prominent positions as Director of Architecture for Monster.com and Manager of Applications Development at Fidelity Investments. Rob has been known to speak at a conference or two.
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Additional Information

Publisher
Addison-Wesley
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Published on
Oct 25, 2011
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Pages
352
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ISBN
9780321669605
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Language
English
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Genres
Computers / Programming / Object Oriented
Computers / Software Development & Engineering / Systems Analysis & Design
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Content Protection
This content is DRM protected.
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Eligible for Family Library

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As a developer new to Web Services, how do you make sense of this emerging framework so you can start writing your own services today? This concise book gives programmers both a concrete introduction and a handy reference to XML web services, first by explaining the foundations of this new breed of distributed services, and then by demonstrating quick ways to create services with open-source Java tools.Web Services make it possible for diverse applications to discover each other and exchange data seamlessly via the Internet. For instance, programs written in Java and running on Solaris can find and call code written in C# that run on Windows XP, or programs written in Perl that run on Linux, without any concern about the details of how that service is implemented. A common set of Web Services is at the core of Microsoft's new .NET strategy, Sun Microsystems's Sun One Platform, and the W3C's XML Protocol Activity Group.In this book, author Ethan Cerami explores four key emerging technologies:XML Remote Procedure Calls (XML-RPC)SOAP - The foundation for most commercial Web Services developmentUniversal Discovery, Description and Integration (UDDI)Web Services Description Language (WSDL)For each of these topics, Web Services Essentials provides a quick overview, Java tutorials with sample code, samples of the XML documents underlying the service, and explanations of freely-available Java APIs. Cerami also includes a guide to the current state of Web Services, pointers to open-source tools and a comprehensive glossary of terms.If you want to break through the Web Services hype and find useful information on these evolving technologies, look no further than Web Services Essentials.
Of all the Ajax-specific frameworks that have popped up in recent years, one clearly stands out as the industrial strength solution. Dojo is not just another JavaScript toolkit—it's the JavaScript toolkit—and Dojo: The Definitive Guide demonstrates how to tame Dojo's extensive library of utilities so that you can build rich and responsive web applications like never before. Dojo founder Alex Russell gives a foreword that explains the "why" of Dojo and of this book.

Dojo provides an end-to-end solution for development in the browser, including everything from the core JavaScript library and turnkey widgets to build tools and a testing framework. Its vibrant open source community keeps adding to Dojo's arsenal, and this book provides an ideal companion to Dojo's official documentation.

Dojo: the Definitive Guide gives you the most thorough overview of this toolkit available, showing you everything from how to create complex layouts and form controls closely resembling those found in the most advanced desktop applications with stock widgets, to advanced JavaScript idioms to AJAX and advanced communication transports. With this definitive reference you get:

Get a concise introduction to Dojo that's good for all 1.x versionsWell-explained examples, with scores of tested code samples, that let you see Dojo in actionA comprehensive reference to Dojo's standard JavaScript library (including fundamental utilities in Base, Dojo's tiny but powerful kernel) that you'll wonder how you ever lived withoutAn extensive look at additional Core features, such as animations, drag-and-drop, back-button handling, animations like wipe and slide, and moreExhaustive coverage of out-of-the-box Dijits (Dojo widgets) as well as definitive coverage on how to create your own, either from scratch or building on existing ones An itemized inventory of DojoX subprojects, the build tools, and the DOH, Dojo's unit-testing framework that you can use with Dojo—or anywhere else

If you're a DHTML-toting web developer, you need to read this book—whether you're a one-person operation or part of an organization employing scores of developers. Dojo packs the standard JavaScript library you've always wanted, and Dojo: The Definitive Guide helps you transform your ideas into working applications quickly by leveraging design concepts you already know.

The practice of enterprise application development has benefited from the emergence of many new enabling technologies. Multi-tiered object-oriented platforms, such as Java and .NET, have become commonplace. These new tools and technologies are capable of building powerful applications, but they are not easily implemented. Common failures in enterprise applications often occur because their developers do not understand the architectural lessons that experienced object developers have learned.

Patterns of Enterprise Application Architecture is written in direct response to the stiff challenges that face enterprise application developers. The author, noted object-oriented designer Martin Fowler, noticed that despite changes in technology--from Smalltalk to CORBA to Java to .NET--the same basic design ideas can be adapted and applied to solve common problems. With the help of an expert group of contributors, Martin distills over forty recurring solutions into patterns. The result is an indispensable handbook of solutions that are applicable to any enterprise application platform.

This book is actually two books in one. The first section is a short tutorial on developing enterprise applications, which you can read from start to finish to understand the scope of the book's lessons. The next section, the bulk of the book, is a detailed reference to the patterns themselves. Each pattern provides usage and implementation information, as well as detailed code examples in Java or C#. The entire book is also richly illustrated with UML diagrams to further explain the concepts.

Armed with this book, you will have the knowledge necessary to make important architectural decisions about building an enterprise application and the proven patterns for use when building them.

The topics covered include

· Dividing an enterprise application into layers

· The major approaches to organizing business logic

· An in-depth treatment of mapping between objects and relational databases

· Using Model-View-Controller to organize a Web presentation

· Handling concurrency for data that spans multiple transactions

· Designing distributed object interfaces

Results-Based Software Management: Achieve Better Outcomes with Finite Resources

Effective software development is no longer merely an IT concern: today, it is crucial to the entire enterprise. However, most businesspeople are not ready to make informed decisions about software initiatives. The Economics of Iterative Software Development: Steering Toward Better Business Results will prepare them. Drawing on decades of software development and business experience, the authors demonstrate how to utilize practical, economics-based techniques to plan and manage software projects for maximum return on technology investments.

The authors begin by dispelling widespread myths about software costs, explaining why traditional, “engineering-based” software management introduces unacceptable inefficiencies in today’s development environments. Next, they show business and technical managers how to combine the principles of economics and iterative development to achieve optimal results with limited resources. Using their techniques, readers will learn how to build systems that enable maximum business innovation and process improvement—and implement software processes that allow them to do so consistently.

Highlights include

How to repeatedly quantify the value a project is delivering and quickly adjust course as needed How to reduce software project size, complexity, and other “project killers” How to identify and eliminate software development processes that don’t work How to improve development processes, reduce rework, mitigate risk, and identify inefficiencies How to create more proficient teams by improving individual skills, team interactions, and organizational capability Where to use integrated, automated tools to improve effectiveness What to measure, and when: specific metrics for project inception, elaboration, construction, and transition

The Economics of Iterative Software Development: Steering Toward Better Business Results will help both business and technical managers make better decisions throughout the software development process—and it will help team and project leaders keep any project or initiative on track, so they can deliver more value faster.

“TIBCO® Architecture Fundamentals is a must-read for anybody involved with the architecture and design of distributed systems, system integration issues, or service-based application design.”

—Bert Hooyman, Chief Architect, Europe, for MphasiS (an HP Company)

“I would like all the folks on my team to read this, to ensure we are all on the same page with the deliverables that are expected from architecture teams involved in global projects and the role that the TIBCO tools play in implementing these solutions.”

—Joseph G. Meyer, Director of Architecture Services and R&D, Citi

TIBCO’s product suite comprises a diverse range of components. Each component is specialized for a particular functionality, ranging from basic messaging through services, service orchestration, the management of complex business processes, managing master data across multiple systems, and the interpretation ofmassive streams of events (complex event processing).

The architecture series from TIBCO® Press comprises a coordinated set of books for software architects and developers, showing how to combine TIBCO components to design and build real-world solutions.

TIBCO® Architecture Fundamentals is the core book for understanding and using the TIBCO product suite. It focuses on the TIBCO ActiveMatrix® product suite and a handful of the other most commonly used components, including the TIBCO Enterprise Message ServiceTM and TIBCO BusinessEventsTM. The book provides a sound basis for applying TIBCO products to solve the most common integration and SOA challenges faced by architects and developers. In addition, it lays the foundation for the more advanced books to be added to the architecture series.

Designed to make the material as accessible as possible, the book starts with concrete problems architects and developers face every day, showing how to solve these problems with combinations of TIBCO (and selected third-party) products. In the context of specific design scenarios, it also discusses key concepts and decision trade-offs. To accomplish its practical aims, the book

Provides useful techniques for discussing and documenting architectures Presents reference architectures (design patterns) for solving common SOA and system integration problems Describes each problem and solution from both business process and technical perspectives Supplies an overview of the typical solution roles played by different TIBCO products

The book largely avoids the code-level detail already available in the product manuals, concentrating instead on blueprints for solving whole classes of problems.

“This book represents a thorough and extensive treatment of the software build process including the choices, benefits, and challenges of a well designed build process. I recommend it not only to all software build engineers but to all software developers since a well designed build process is key to an effective software development process.”

—Kevin Bodie, Director Software Development, Pitney Bowes Inc.

“An excellent and detailed explanation of build systems, an important but often overlooked part of software development projects. The discussion of productivity as related to build systems is, alone, well worth the time spent reading this book.”

—John M. Pantone, Objectech Corporation, VP, IT Educator and Course Developer

“Peter Smith provides an interesting and accessible look into the world of software build systems, distilling years of experience and covering virtually every type of tool in the build engineer’s toolbox. Well organized, well written, and very thorough; I would recommend this book to anyone with a build system under their responsibility.”

—Jeff Overbey, Project Co-Lead, Photran

“Software Build Systems teaches how to think about building software. It surveys the tools and techniques for building software products and the ways things go wrong. This book will appeal to those new to build systems as well as experienced build system engineers.”

—Monte Davidoff, Software Development Consultant, Alluvial Software, Inc.

Inadequate build systems can dramatically impact developer productivity. Bad dependencies, false compile errors, failed software images, slow compilation, and time-wasting manual processes are just some of the byproducts of a subpar build system. In Software Build Systems, software productivity expert Peter Smith shows you how to implement build systems that overcome all these problems, so you can deliver reliable software more rapidly, at lower cost.

Smith explains the core principles underlying highly efficient build systems, surveying both system features and usage scenarios. Next, he encapsulates years of experience in creating and maintaining diverse build systems–helping you make well-informed choices about tools and practices, and avoid common traps and pitfalls. Throughout, he shares a wide range of practical examples and lessons from multiple environments, including Java, C++, C, and C#. Coverage includes

• Mastering build system concepts, including source trees, build tools, and compilation tools

• Comparing five leading build tools: GNU Make, Ant, SCons, CMake, and the Eclipse IDE’s integrated build features

• Ensuring accurate dependency checking and efficient incremental compilation

• Using metadata to assist debugging, profiling, and source code documentation

• Packaging software for installation on your target machine

• Best practices for managing complex version-control systems, build machines, and compilation tools

If you’re a developer, this book will illuminate the issues involved in building and maintaining the build system that’s best for your team. If you’re a manager, you’ll discover how to evaluate your team’s build system and improve its effectiveness. And if you’re a build “guru,” you’ll learn how to optimize the performance and scalability of your build system, no matter how demanding your requirements are.

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