by Dharma Shukla (Author), Bob Schmidt (Author)
Something big is about to happen....
-From the Foreword by Don Box, Architect, Microsoft Corporation
If I were writing a Workflow book, this is what I would have written. The material is very well presented with code examples and explanations. Also, I love how the authors discuss the underlying architecture, enabling me to get a really deep understanding of the technology to efficiently design and build my own projects.
-Jeffrey Richter (http://Wintellect.com)
Explicit support for workflows in a lightweight framework is a major contribution. Many tough problems traditionally faced by application authors, such as state management in the presence of long-running activities (think weeks or months!), can be addressed systematically by adopting
a workflow approach. Dharma Shukla and Bob Schmidt present the workflow technology under and made accessible by the new workflow foundation in the .NET 3.0 framework, and they do so in an approachable and yet authoritative way that is truly enjoyable.
-Clemens Szyperski, software architect, Microsoft Corporation
The Windows Workflow technology combines declarative programming and state machines in a very rich and powerful way, one that is bound to have a profound influence on the way we program in the coming years. In the style of the classic Essential COM by Don Box, Dharma and Bob have done a great job making this technology accessible to any developer already versed in C#, VB, and the .NET Framework, and who wants to achieve declarative enlightenment. Don't miss out.
-Joe Duffy, program manager, Common Language Runtime (CLR) team, Microsoft Corporation
I think WF should and will be used as the main application model for web service applications. Developers working on web services will want to learn about this technology from this book; it comes straight from the source and explains the technology well and in depth.
-Krzysztof Cwalina, program manager, Microsoft Corporation
This book provides an enlightening exploration of Windows Workflow Foundation for both the novice and the veteran alike.
-Nate Talbert, software design engineer, Microsoft Corporation
Windows Workflow Foundation (WF) is a groundbreaking approach to writing and executing programs. WF programs are assembled out of resumable program statements called activities, which provide encapsulation of both domainspecific logic and control flow patterns reflective of real-world processes.
In Essential Windows Workflow Foundation, two WF lead architects-Dharma Shukla and Bob Schmidt-offer an under-the-hood look at the technology, explaining the why and not just the how of WF's key concepts and architecture. Serious WF developers seeking details about how to effectively utilize and extend the framework by writing activities will find cogent explanations and answers here. With simple and illustrative examples, the authors demonstrate exactly how to leverage WF's extensible programming model to craft domain-specific programs. Drawing on their unique vantage point in designing and developing WF, Shukla and Schmidt deliver authoritative coverage of
Essential Windows Workflow Foundation is the definitive resource for developers seeking an in-depth understanding of this novel technology.
Dharma Shukla is an architect at Microsoft working on next-generation programming models. A founding member of the Windows Workflow Foundation (WF) team, Dharma played a key role in defining the architecture of WF. Bob Schmidt is a senior program manager at Microsoft working on next-generation programming models. Since 2003, his primary focus has been on the design of WF. Both authors have been involved with the WF project since its inception, and have been responsible for specifying, designing, and developing large portions of the technology.
Contents
About the Authors xiii
Foreword xv
Preface xvii
Acknowledgments xxi
1 Deconstructing WF 1
2 WF Programs 33
3 Activity Execution 53
4 Advanced Activity Execution 111
5 Applications 179
6 Transactions 241
7 Advanced Authoring 259
8 Miscellanea 325
Appendix A Activity Automaton 395
Appendix B Control Flow Patterns 397
Index 435
Format: Paperback
Pages: 480
Edition: 01
Publisher: Addison Wesley
Published: 05 Oct 2006
ISBN 10: 0321399838
ISBN 13: 9780321399830
Book Overview: Windows Workflow Foundation (WF)is a new set of APIs for programmers developing applications on the Windows platform. Support for WF will be built into all Microsoft products going forward; it will be a key component of Windows Vista and Office 2007. A beta was released in the fall of 2005; the final version will be released this fall, about the time the book is released. A workflow is a natural way of organizing and executing a program that is long-running and/or widely distributed. For instance, in traditional programming it is difficult to develop a program to manage loan approval processes that may take weeks to complete and may involve coordination of work performed by various systems. It is far easier to build the application as a workflow, as well as easier to modify it once built and running. In short, workflows help in programming some of the most difficult and intricate business applications. They're still not easy, but they are less difficult than before. The authors have been lead developers of WF from its initial stages, and are the best people to write about it. They balance understanding what WF is and how it works with many practical examples of how to use it effectively.
Dharma Shukla is an architect at Microsoft working on next-generation programming models. A founding member of the Windows Workflow Foundation (WF) team, Dharma played a key role in defining the architecture of WF. Bob Schmidt is a senior program manager at Microsoft working on next-generation programming models. Since 2003, his primary focus has been on the design of WF. Both authors have been involved with the WF project since its inception, and have been responsible for specifying, designing, and developing large portions of the technology.
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