CODEWITHSUNDEEP
c#wcfasynchronous
puffpio
puffpio

Reputation: 3462

Creating asynchronous WCF clients without using Service References

Currently I do not use Service References as I feel the code it autogenerates is more weight than I need. Instead I generate a proxy class by doing:

public class MyClient : ClientBase<IMyService>, IMyService

This has worked great for me, no proxy classes are generated so I reuse the same datatypes. But this only lets me create synchronous client methods.

What would it take to generate async versions? I have taken a look at the autogenerated code that adding a Service Reference would do and it seems like soo much boilerplate. A ton of begin/end/onbegin/oncomplete associated event arg datatypes etc etc.

Is there a simpler way with less scaffolding needed to create async client methods? My ultimate end goal is to be able to use the new c# 5 async/await keywords on webservice clients

Upvotes: 3

Views: 2779

Answers (3)

David Jeske
David Jeske

Reputation: 2466

The CTP for async/await is just a preview of the support for these features. They plan to fully integrate them into WCF.

http://blogs.msdn.com/b/endpoint/archive/2010/11/13/simplified-asynchronous-programming-model-in-wcf-with-async-await.aspx

Upvotes: 0

Brian
Brian

Reputation: 118865

You can always author a contract IMyAsyncService that is exactly like IMyService but uses the Begin/End async pattern (and has [ServiceContract(Name="IMyService")] to keep the same name). It will be the same wire contract, and work with ClientBase, but now you have async methods you can use with await.

Upvotes: 2

franklins
franklins

Reputation: 3738

I think adding this [OperationContract(IsOneWay = true)]

to your method declaration in the Interface on your services will determine its async.

Upvotes: 0

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