private void StartTimer(ScheduledTaskInterval interval)
{
if (timer == null)
{
timer = new Timer();
}
timer.Interval = interval.Interval;
timer.Elapsed += Timer_Elapsed;
timer.Start();
}
public ScheduledTask(string taskName,
bool runOnServerStart, ScheduledTaskInterval interval, bool saveState = true)
{
TaskName = taskName;
Interval = interval;
SaveState = saveState;
RunOnServerStart = runOnServerStart;
StartTimer(TryGetLastInterval());
}
public ScheduledTaskInterval TryGetLastInterval()
{
DateTime?nextEvent = ScheduleNextEventsRepository.Instance.GetNext(TaskName);
ScheduledTaskInterval nextEventInterval = null;
if (nextEvent != null)
{
var nextDate = (nextEvent - DateTime.Now);
nextEventInterval = new ScheduledTaskInterval((int)nextDate.Value.Days,
(int)nextDate.Value.TotalHours, (int)nextDate.Value.TotalMinutes,
(int)nextDate.Value.TotalSeconds);
if (nextEventInterval.Interval <= 0)
{
nextEvent = null;
}
}
return(nextEvent == null
? Interval
: nextEventInterval);
}
internal void SetNext(string taskName, ScheduledTaskInterval baseInterval)
{
lock (locker)
{
DateTime nextEvent = DateTime.Now
.AddDays(baseInterval.Days)
.AddHours(baseInterval.Hours)
.AddMinutes(baseInterval.Minutes)
.AddSeconds(baseInterval.Seconds);
var events = GetNextEvents();
var evt = events.FirstOrDefault(e => e.TaskName.Equals(taskName));
if (evt == null)
{
events.Add(new ScheduleNextEvent(taskName, nextEvent));
}
else
{
evt.NextEvent = nextEvent;
}
SaveNextEvents(events);
}
}
