protected override void Execute(NativeActivityContext context)
{
var waitForAllTrue = WaitForAllTrue.Get(context);
var paths = ContentPaths.Get(context);
var contents = paths.Select(p => new WfContent {
Path = p
}).ToArray();
var ext = context.GetExtension <ContentWorkflowExtension>();
var bookMarkName = Guid.NewGuid().ToString();
var waitIds = ext.RegisterWaitForMultipleContent(contents, bookMarkName);
var waitIdString = String.Join(",", waitIds.Select(w => w.ToString()).ToArray());
notificationIds.Set(context, waitIdString);
context.CreateBookmark(bookMarkName, new BookmarkCallback(Continue));
}
private void Continue(NativeActivityContext context, Bookmark bookmark, object obj)
{
var eventArgs = obj as WorkflowNotificationEventArgs;
if (eventArgs.NotificationType != WorkflowNotificationObserver.CONTENTCHANGEDNOTIFICATIONTYPE)
{
return;
}
//null, "yes", "no", "tentative"
var results = ContentPaths.Get(context).Select(p => (string)((new WfContent(p))["Result"]));
var waitForAllTrue = WaitForAllTrue.Get(context);
var countOfFalse = 0;
var countOfNull = 0;
var countOfTrue = 0;
foreach (var item in results)
{
switch (item)
{
case null: countOfNull++; break;
case "": countOfNull++; break;
case "no": countOfFalse++; break;
case "yes": countOfTrue++; break;
default: break;
}
}
bool result;
bool finish;
if (countOfFalse > 0)
{
result = false;
finish = true;
}
else
{
if (waitForAllTrue)
{
finish = countOfFalse == 0 && countOfNull == 0;
}
else
{
finish = countOfTrue > 0;
}
result = finish;
}
this.Result.Set(context, result);
if (finish)
{
ReleaseWaits(context);
}
else
{
context.CreateBookmark(bookmark.Name, new BookmarkCallback(Continue));
}
}