Compiled Experience

Nigel Sampson

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Update to DI Container initialization

13 Mar 2008 by Nigel Sampson

Since I wrote the earlier code in "Using LINQ to initialize DI Containers" I've cleaned up the LINQ query to incorporate the assemblies loop and also to use the First extension method to make things a bit more readable.

var services = from a in assemblies
               from t in Assembly.Load(a).GetTypes()
               where t.GetInterfaces().Length > 0 && t.IsSubclassOf(typeof(ServiceBase))
               let i = t.GetInterfaces().First()
               where !Container.Kernel.HasComponent(i)
               select new
               {
                   Interface = i.IsGenericType ? i.GetGenericTypeDefinition() : i,
                   Component = t
               };
 
foreach(var service in services)
{
    Container.AddComponent(service.Interface.FullName, service.Interface, service.Component);
}

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