internal static void PrepareContext(ActionExecutionContext context)
{
var contextAwareFilters = FilterManager.GetFiltersFor(context).OfType <IContextAware>().ToArray();
contextAwareFilters.Apply(x => x.MakeAwareOf(context));
context.Message.Detaching += (o, e) => contextAwareFilters.Apply(x => x.Dispose());
}
internal static void InvokeAction(ActionExecutionContext context, object[] values)
{
var returnValue = context.Method.Invoke(context.Target, values);
var task = returnValue as System.Threading.Tasks.Task;
if (task != null)
{
returnValue = task.AsResult();
}
var result = returnValue as IResult;
if (result != null)
{
returnValue = new[] { result };
}
var enumerable = returnValue as IEnumerable <IResult>;
if (enumerable != null)
{
returnValue = enumerable.GetEnumerator();
}
var enumerator = returnValue as IEnumerator <IResult>;
if (enumerator != null)
{
result = Coroutine.CreateParentEnumerator(enumerator);
var wrappers = FilterManager.GetFiltersFor(context).OfType <IExecutionWrapper>();
var pipeline = result.WrapWith(wrappers);
//if pipeline has error, action execution should throw!
pipeline.Completed += (o, e) =>
{
Execute.OnUIThread(
() =>
{
if (e.Error != null)
{
throw new Exception(
string.Format("An error occurred while executing {0}", context.Message),
e.Error
);
}
});
};
pipeline.Execute(
new CoroutineExecutionContext
{
Source = context.Source,
View = context.View,
Target = context.Target
});
}
}