November 2008
Intermediate to advanced
308 pages
8h 30m
English
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Chapter 9. Using Workflow to Deliver REST Services
WCF in .NET 3.0 provided a way for you to use and expose services using your favorite .NET language. Also part of .NET 3.0, Windows Workflow Foundation (WF) provided a way to use a declarative language to create model-driven, reactive programs. Both frameworks shipped in the same vehicle (.NET 3.0), but neither had any OOTB integration with the other. Using them together in .NET 3.0 applications required a fair amount of repetitive manual coding.
Along with the Web Programming Model, .NET 3.5 brings a layer of integration between WCF and WF in the form of a pair of WF activities to model the processes of sending and receiving messages into workflows using WCF. .NET 3.5 also provides a hosting environment that allows you to stand up a service endpoint using a workflow in a way that is similar to how you can stand up a service endpoint using code. No explicit integration between the Web Programming Model and WF was included in this release, but it is still possible to use these two new frameworks together.
In this chapter, we’ll look at how to consume REST endpoints using WF. We’ll also examine how to create stateless and long-running stateful workflows to expose REST endpoints. As I discuss these options, I will raise the issue of whether melding the well-understood advantages of statelessness on the server in a REST service with the potential long-running nature of WF is a good idea. For the purposes of this chapter, I will assume ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.