public static void CacheRootMetadata(Activity activity, LocationReferenceEnvironment hostEnvironment, ProcessActivityTreeOptions options, ProcessActivityCallback callback, ref IList <ValidationError> validationErrors)
{
if (!ShouldShortcut(activity, options))
{
lock (activity.ThisLock)
{
if (!ShouldShortcut(activity, options))
{
if (activity.HasBeenAssociatedWithAnInstance)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(System.Activities.SR.RootActivityAlreadyAssociatedWithInstance(activity.DisplayName)));
}
activity.InitializeAsRoot(hostEnvironment);
ProcessActivityTreeCore(new ChildActivity(activity, true), null, options, callback, ref validationErrors);
if (!ActivityValidationServices.HasErrors(validationErrors) && options.IsRuntimeReadyOptions)
{
activity.SetRuntimeReady();
}
}
}
}
}