static ActionConstraintCache GetActionConstraintCache(IActionConstraintProvider[] actionConstraintProviders = null)
{
var descriptorProvider = new DefaultActionDescriptorCollectionProvider(
Enumerable.Empty<IActionDescriptorProvider>(),
Enumerable.Empty<IActionDescriptorChangeProvider>());
return new ActionConstraintCache(descriptorProvider, actionConstraintProviders.AsEnumerable() ?? new List<IActionConstraintProvider>());
}
ControllerActionDescriptor InvokeActionSelector(RouteContext context)
{
var actionDescriptorProvider = GetActionDescriptorProvider();
var actionDescriptorCollectionProvider = new DefaultActionDescriptorCollectionProvider(
new[] { actionDescriptorProvider },
Enumerable.Empty<IActionDescriptorChangeProvider>());
var actionConstraintProviders = new[]
{
new DefaultActionConstraintProvider(),
};
var actionSelector = CreateSelector(actionDescriptorCollectionProvider, actionConstraintProviders);
var candidates = actionSelector.SelectCandidates(context);
return (ControllerActionDescriptor)actionSelector.SelectBestCandidate(context, candidates);
}
