public virtual HttpActionDescriptor SelectAction(HttpControllerContext controllerContext)
{
if (controllerContext == null)
{
throw Error.ArgumentNull("controllerContext");
}
ActionSelectorCacheItem internalSelector = GetInternalSelector(controllerContext.ControllerDescriptor);
return(internalSelector.SelectAction(controllerContext));
}
public override HttpActionDescriptor SelectAction(HttpControllerContext controllerContext)
{
if (controllerContext == null)
{
throw
new Exception
(
@"Error.ArgumentNull(""controllerContext"")"
);
}
ActionSelectorCacheItem internalSelector = GetInternalSelector(controllerContext.ControllerDescriptor);
return(internalSelector.SelectAction(controllerContext));
}
public virtual ActionDescriptor SelectAction(ControllerContext controllerContext)
{
if (controllerContext == null)
{
throw Error.ArgumentNull("controllerContext");
}
var controller = controllerContext.Controller as Controller;
if (controller == null)
{
throw new InvalidOperationException("Controller must inherit from System.Web.Mvc.Controller");
}
ApiControllerActionInvoker invoker = controller.ActionInvoker as ApiControllerActionInvoker;
if (invoker == null)
{
throw new InvalidOperationException("ActionInvoker must inherit from ApiControllerActionInvoker.");
}
var controllerDescriptor = invoker.GetControllerDescriptor(controller.GetType());
Func<object, object> valueFactory = null;
if (this.cachedActionSelector == null)
{
ActionSelectorCacheItem actionSelectorItem = new ActionSelectorCacheItem(controllerDescriptor);
Interlocked.CompareExchange<ActionSelectorCacheItem>(ref this.cachedActionSelector, actionSelectorItem, null);
return actionSelectorItem.SelectAction(controllerContext);
}
if (this.cachedActionSelector.ControllerDescriptor == controllerDescriptor)
{
return this.cachedActionSelector.SelectAction(controllerContext);
}
if (valueFactory == null)
{
valueFactory = _ => new ActionSelectorCacheItem(controllerDescriptor);
}
var properties = ((ApiControllerDescriptor)controllerDescriptor).Properties;
ActionSelectorCacheItem orAdd = (ActionSelectorCacheItem)properties.GetOrAdd(this._cacheKey, valueFactory);
return orAdd.SelectAction(controllerContext);
}