public static void StartOrResumeTasks(bool appWasRestarted)
{
if (WebConfigSettings.DisableTaskQueue)
{
return;
}
List <TaskQueue> unfinishedTasks;
SiteSettings siteSettings = null;
try
{
TaskQueue.DeleteCompleted();
// the default is false and it may be problematic to try and use this as true
// because the app start event only fires 1 time not 1 time per site
if (WebConfigSettings.UsePerSiteTaskQueue)
{
// this also doesn't work in IIS 7 integrated pipeline mode because HttpContext is null
siteSettings = CacheHelper.GetCurrentSiteSettings();
}
if ((WebConfigSettings.UsePerSiteTaskQueue) && (siteSettings != null))
{
unfinishedTasks = TaskQueue.GetUnfinished(siteSettings.SiteGuid);
}
else
{
unfinishedTasks = TaskQueue.GetUnfinished();
}
if (WebTaskManagerIsRunning(unfinishedTasks, appWasRestarted))
{
return;
}
if ((appWasRestarted) && (unfinishedTasks.Count == 0))
{
return;
}
WebTaskManager taskManager = new WebTaskManager();
taskManager.QueueTask();
taskManager.StartTask();
}
catch (DbException ex)
{
log.Error(ex);
}
catch (InvalidOperationException ex)
{
log.Error(ex);
}
}
void btnClearHistory_Click(object sender, EventArgs e)
{
TaskQueue.DeleteCompleted();
WebUtils.SetupRedirect(this, SiteRoot + "/Admin/TaskQueueHistory.aspx");
}