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???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.??
???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
- The core concepts and ideas that form the heart of WF???s programming model
- The
execution model for activities, with details of the activity automaton,
bookmarking, scheduling, and the threading model of the WF runtime
- Advanced
execution concepts, including activity execution contexts,
transactions, persistence points, passivation, fault handling,
cancellation, compensation, and synchronization
- Hosting the WF runtime in applications
- The activity component model, with details of validation, compilation, serialization, and visualization
- Databinding, XAML, dependency properties, and WF program metadata
- Declarative conditions and rules, activity designers, and designer hosting
- Custom control flow patterns ranging from simple sequencing and iteration to more complex graphs and state machines
- Dynamic editing of running WF program instances
Essential Windows Workflow Foundation is the definitive resource for developers seeking an in-depth understanding of this novel technology.
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