Wednesday, 17 February 2010

Custom Proxy Generation using "RealProxy"

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I've been looking around the top side of the WCF client proxy for a nice place to hook in contract specific caching. I was hoping to find soemthing similar to the IOperationInvoker on the server end. Unfortunately I couldn't find anything that allowed for me to fully divert the flow and avoid a service call. You have the ability to inspect the parameter listing (pre-validation), and the message (further validation or header injection) after serialization (which you can also adjust) but at no point can you just return a value within the pipeline...