private void addConcretionsThatCouldBeClosed(Type @interface, GenericFamilyExpression expression)
{
_concretions.Where(x => x.IsOpenGeneric())
.Where(x => x.CouldCloseTo(@interface))
.Each(type =>
{
try
{
expression.Add(
type.MakeGenericType(@interface.GetGenericArguments()));
}
catch (Exception)
{
// Because I'm too lazy to fight with the bleeping type constraints to "know"
// if it's possible to make the generic type and this is just easier.
}
});
}
private static void Use(GenericFamilyExpression expression, ServiceDescriptor descriptor)
{
if (descriptor.ImplementationFactory != null)
{
expression.Use(Guid.NewGuid().ToString(), context => { return descriptor.ImplementationFactory(context.GetInstance<IServiceProvider>()); });
}
else if (descriptor.ImplementationInstance != null)
{
expression.Use(descriptor.ImplementationInstance);
}
else if (descriptor.ImplementationType != null)
{
expression.Use(descriptor.ImplementationType);
}
else
{
throw new InvalidOperationException("IServiceDescriptor is invalid");
}
}
/*private static ConfiguredInstance ApplyResolver(GenericFamilyExpression builder, StaticResolver resolver)
{
return builder.Add(resolver.Target);
}
private static ObjectInstance ApplyResolver(GenericFamilyExpression builder, InstanceResolver resolver)
{
return builder.Add(resolver.Instance);
}
private static LambdaInstance<object> ApplyResolver(GenericFamilyExpression builder, DynamicResolver resolver)
{
return builder.Add(c => resolver.FactoryFunc());
}*/
private static GenericFamilyExpression ApplyLifestyleSingle(GenericFamilyExpression registration, Lifestyle lifestyle)
{
if (lifestyle.Name == Lifestyle.Singleton.Name)
return registration.Singleton();
if (lifestyle.Name == Lifestyle.Transient.Name)
return registration.LifecycleIs(new TransientLifecycle());
if (lifestyle.Name == Lifestyle.PerWebRequest.Name)
return registration.LifecycleIs(new UniquePerRequestLifecycle());
if (lifestyle.Name == Lifestyle.Unmanaged.Name)
return registration;
if (lifestyle.Name == Lifestyle.ProviderDefault.Name)
return registration;
if (lifestyle.Name == Lifestyle.Default.Name)
return registration.Singleton();
throw new ArgumentException(string.Format("Unknown lifestyle : {0}", lifestyle), "lifestyle");
}
//todo: very weirdly, after updating StructureMap to version 3, double dispatch via dynamic not works anymore(http://stackoverflow.com/questions/27011810/mystery-with-dynamic-type-double-dispatch)
private static object ApplyResolver(GenericFamilyExpression builder, IImplementationResolver resolver)
{
if (resolver is StaticResolver)
return builder.Add(((StaticResolver)resolver).Target);
if (resolver is InstanceResolver)
return builder.Add(((InstanceResolver)resolver).Instance);
if (resolver is DynamicResolver)
return builder.Add(c => ((DynamicResolver)resolver).FactoryFunc());
Assumes.Fail("Unsupported IImplementationResolver implementation");
return null;
}
