I am building a WCF service. I need to store reference data in the cache which I will look up every time I receive input from the method... What is the right way to do this? I would also like to define an expiration policy for the cache that will invalidate it after a certain time interval.
9 Answers
You could take a look at Velocity. This is Microsoft's distributed in-memory caching framework. But this may be a little bit too beta...
You can use System.Web.Cache (even if you're not in a web context), and that's what I'd do. It's basically a big, in memory hash table with some niceties for expiring contents.
There are many ways you can do this. One fairly easy is to host the System.Web.Cache object yourself and use that to store the reference data. There's a good example of that here: http://kjellsj.blogspot.com/2007/11/wcf-caching-claims-using.html
The WCF REST Starter Kit has caching, here is an article about using it... with sample code.
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