/// <summary>
/// Returns a list of Dates that are the next fire times of a
/// <see cref="Trigger" />.
/// The input trigger will be cloned before any work is done, so you need
/// not worry about its state being altered by this method.
/// </summary>
/// <param name="trigg">The trigger upon which to do the work</param>
/// <param name="cal">The calendar to apply to the trigger's schedule</param>
/// <param name="numTimes">The number of next fire times to produce</param>
/// <returns>List of java.util.Date objects</returns>
public static IList ComputeFireTimes(Trigger trigg, ICalendar cal, int numTimes)
{
ArrayList lst = new ArrayList();
Trigger t = (Trigger)trigg.Clone();
if (t.GetNextFireTimeUtc() == null || !t.GetNextFireTimeUtc().HasValue)
{
t.ComputeFirstFireTimeUtc(cal);
}
for (int i = 0; i < numTimes; i++)
{
NullableDateTime d = t.GetNextFireTimeUtc();
if (d.HasValue)
{
lst.Add(d);
t.Triggered(cal);
}
else
{
break;
}
}
return(ArrayList.ReadOnly(new ArrayList(lst)));
}
/// <summary>
/// Returns a list of Dates that are the next fire times of a <see cref="Trigger" />
/// that fall within the given date range. The input trigger will be cloned
/// before any work is done, so you need not worry about its state being
/// altered by this method.
/// <p>
/// NOTE: if this is a trigger that has previously fired within the given
/// date range, then firings which have already occured will not be listed
/// in the output List.
/// </p>
/// </summary>
/// <param name="trigg">The trigger upon which to do the work</param>
/// <param name="cal">The calendar to apply to the trigger's schedule</param>
/// <param name="from">The starting date at which to find fire times</param>
/// <param name="to">The ending date at which to stop finding fire times</param>
/// <returns>List of java.util.Date objects</returns>
public static IList ComputeFireTimesBetween(Trigger trigg, ICalendar cal, DateTime from, DateTime to)
{
ArrayList lst = new ArrayList();
Trigger t = (Trigger)trigg.Clone();
if (t.GetNextFireTimeUtc() == null || !t.GetNextFireTimeUtc().HasValue)
{
t.StartTimeUtc = from;
t.EndTimeUtc = to;
t.ComputeFirstFireTimeUtc(cal);
}
// TODO: this method could be more efficient by using logic specific
// to the type of trigger ...
while (true)
{
NullableDateTime d = t.GetNextFireTimeUtc();
if (d.HasValue)
{
if (d.Value < from)
{
t.Triggered(cal);
continue;
}
if (d.Value > to)
{
break;
}
lst.Add(d);
t.Triggered(cal);
}
else
{
break;
}
}
return(ArrayList.ReadOnly(new ArrayList(lst)));
}
protected virtual TriggerFiredBundle TriggerFired(ConnectionAndTransactionHolder conn,
SchedulingContext ctxt,
Trigger trigger)
{
JobDetail job;
ICalendar cal = null;
// Make sure trigger wasn't deleted, paused, or completed...
try
{
// if trigger was deleted, state will be StateDeleted
String state = Delegate.SelectTriggerState(conn, trigger.Name, trigger.Group);
if (!state.Equals(StateAcquired))
{
return null;
}
}
catch (Exception e)
{
throw new JobPersistenceException("Couldn't select trigger state: " + e.Message, e);
}
try
{
job = RetrieveJob(conn, ctxt, trigger.JobName, trigger.JobGroup);
if (job == null)
{
return null;
}
}
catch (JobPersistenceException jpe)
{
try
{
Log.Error("Error retrieving job, setting trigger state to ERROR.", jpe);
Delegate.UpdateTriggerState(conn, trigger.Name, trigger.Group, StateError);
}
catch (Exception sqle)
{
Log.Error("Unable to set trigger state to ERROR.", sqle);
}
throw;
}
if (trigger.CalendarName != null)
{
cal = RetrieveCalendar(conn, ctxt, trigger.CalendarName);
if (cal == null)
{
return null;
}
}
try
{
Delegate.DeleteFiredTrigger(conn, trigger.FireInstanceId);
Delegate.InsertFiredTrigger(conn, trigger, StateExecuting, job);
}
catch (Exception e)
{
throw new JobPersistenceException("Couldn't insert fired trigger: " + e.Message, e);
}
NullableDateTime prevFireTime = trigger.GetPreviousFireTimeUtc();
// call triggered - to update the trigger's next-fire-time state...
trigger.Triggered(cal);
String state2 = StateWaiting;
bool force = true;
if (job.Stateful)
{
state2 = StateBlocked;
force = false;
try
{
Delegate.UpdateTriggerStatesForJobFromOtherState(conn, job.Name, job.Group, StateBlocked,
StateWaiting);
Delegate.UpdateTriggerStatesForJobFromOtherState(conn, job.Name, job.Group, StateBlocked,
StateAcquired);
Delegate.UpdateTriggerStatesForJobFromOtherState(conn, job.Name, job.Group, StatePausedBlocked,
StatePaused);
}
catch (Exception e)
{
throw new JobPersistenceException("Couldn't update states of blocked triggers: " + e.Message, e);
}
}
if (!trigger.GetNextFireTimeUtc().HasValue)
{
state2 = StateComplete;
force = true;
}
StoreTrigger(conn, ctxt, trigger, job, true, state2, force, false);
job.JobDataMap.ClearDirtyFlag();
return new TriggerFiredBundle(
job,
trigger,
cal,
trigger.Group.Equals(SchedulerConstants.DefaultRecoveryGroup),
DateTime.UtcNow,
trigger.GetPreviousFireTimeUtc(),
prevFireTime,
trigger.GetNextFireTimeUtc());
}
