internal virtual bool SubmitJobException(SchedulingItem job, Exception exception)
{
var handler = SchedulingItemExceptionHandler;
if (handler != null)
{
handler(job, exception);
return(true);
}
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:System.Object"/> class.
/// </summary>
/// <exception cref="ArgumentNullException">If one of the parameters is
/// is a null reference.</exception>
/// <exception cref="InvalidOperationException">If the configuration does not allow
/// proper scheduling, e.g. because several loops were specified, but the inverval is
/// missing.</exception>
public SchedulingItemContext(SchedulingItem managedJob, Action <SchedulingItem> callbackAction)
{
if (managedJob == null)
{
throw new ArgumentNullException("managedJob");
}
if (callbackAction == null)
{
throw new ArgumentNullException("callbackAction");
}
//make sure we have an interval if we have more than one loop
TimeSpan?interval = managedJob.Interval;
if (interval == null)
{
if (managedJob.Loops == null || managedJob.Loops.Value > 1)
{
string msg = "Job [{0}] is invalid: Specifiy either a single run, or a loop interval.";
msg = String.Format(msg, managedJob.Id);
throw new InvalidOperationException(msg);
}
}
ManagedJob = managedJob;
CallbackAction = callbackAction;
NextExecution = managedJob.StartTime;
//adjust starting time if the initial time was in the past,
//but rather start immediately
var now = SchedulingTimeHelpers.Now();
if (NextExecution.Value < now)
{
NextExecution = now;
}
RemainingExecutions = managedJob.Loops;
}
public virtual void Submit(SchedulingItem schedulingItem, Action <SchedulingItem> callback)
{
if (schedulingItem == null)
{
throw new ArgumentNullException("schedulingItem");
}
if (callback == null)
{
throw new ArgumentNullException("callback");
}
var interval = schedulingItem.Interval;
if (interval.HasValue && interval.Value.TotalMilliseconds < MinJobInterval)
{
string msg = "Interval of {0} ms is too small - a minimum interval of {1} ms is accepted.";
msg = String.Format(msg, interval.Value.TotalMilliseconds, MinJobInterval);
throw new InvalidOperationException(msg);
}
var context = new SchedulingItemContext(schedulingItem, callback);
lock (SyncRoot)
{
if (NextExecution == null || context.NextExecution <= NextExecution.Value)
{
SchedulingItems.Insert(0, context);
if (NextExecution == null || NextExecution.Value.Subtract(SchedulingTimeHelpers.Now()).TotalMilliseconds > MinJobInterval)
{
Reschedule();
}
}
else
{
SchedulingItems.Add(context);
IsSorted = false;
}
}
}
public SchedulingApi(SchedulingItem schedulingItem)
{
_schedulingItem = schedulingItem;
}