public static IEnumerable <DateTime> GetNextRunTimes(TaskTimeTrigger trigger, DateTime baseRunTime)
{
var startRunTime = trigger.Start.GetValueOrDefault(DateTime.MinValue);
var endRunTime = trigger.End.GetValueOrDefault(DateTime.MaxValue);
if (startRunTime > endRunTime)
{
throw new InvalidOperationException("Trigger start date-time must be earlier than the end date-time when both are specified");
}
var nextRunTime = baseRunTime;
while (nextRunTime < endRunTime)
{
if (baseRunTime > startRunTime)
{
nextRunTime = startRunTime;
}
else
{
var repeatInterval = trigger.RepeatInterval.GetValueOrDefault(TimeSpan.MaxValue);
}
yield return(nextRunTime);
}
}
public static IEnumerable <DateTime> GetNextRunTimes(TaskTimeTrigger trigger)
{
return(GetNextRunTime(trigger, DateTime.Now));
}
private static TaskBaseTrigger CreateTaskTrigger(Trigger trigger)
{
var taskTrigger = default(TaskBaseTrigger);
switch (trigger.TriggerType)
{
case TaskTriggerType.Daily:
var dailyTrigger = trigger as DailyTrigger;
taskTrigger = new TaskDailyTrigger
{
Interval = TimeSpan.FromDays(dailyTrigger.DaysInterval)
};
break;
case TaskTriggerType.Monthly:
var monthlyTrigger = trigger as MonthlyTrigger;
taskTrigger = new TaskMonthlyTrigger
{
DaysOfTheMonth = monthlyTrigger.RunOnLastDayOfMonth
? monthlyTrigger.DaysOfMonth.Append(LastDayOfTheMonth).ToArray()
: monthlyTrigger.DaysOfMonth,
Months = GetMonthNumbers(monthlyTrigger.MonthsOfYear)
};
break;
case TaskTriggerType.MonthlyDOW:
var monthlyDOWTrigger = trigger as MonthlyDOWTrigger;
taskTrigger = new TaskMonthlyTrigger
{
DaysOfTheWeek = GetDaysOfWeek(monthlyDOWTrigger.DaysOfWeek),
Months = GetMonthNumbers(monthlyDOWTrigger.MonthsOfYear),
WeeksOfTheMonth = GetWeekNumbers(monthlyDOWTrigger.WeeksOfMonth)
};
break;
case TaskTriggerType.Weekly:
var weeklyTrigger = trigger as WeeklyTrigger;
taskTrigger = new TaskWeeklyTrigger
{
DaysOfTheWeek = GetDaysOfWeek(weeklyTrigger.DaysOfWeek),
Interval = TimeSpan.FromDays(weeklyTrigger.WeeksInterval * DaysPerWeek)
};
break;
case TaskTriggerType.Time:
taskTrigger = new TaskTimeTrigger();
break;
default:
return(null);
}
taskTrigger.IsActive = trigger.Enabled;
if (trigger.EndBoundary != DateTime.MaxValue)
{
taskTrigger.End = trigger.EndBoundary;
}
if (trigger.StartBoundary != DateTime.MinValue)
{
taskTrigger.Start = trigger.StartBoundary;
}
if (trigger.Repetition != null && trigger.Repetition.IsSet())
{
if (trigger.Repetition.Interval != TimeSpan.Zero)
{
taskTrigger.RepeatInterval = trigger.Repetition.Interval;
}
if (trigger.Repetition.Duration != TimeSpan.MaxValue)
{
taskTrigger.RepeatInterval = trigger.Repetition.Duration;
}
}
return(taskTrigger);
}