/// <summary>
/// Reschedule the item, associated with passed event.
/// </summary>
/// <param name="workflowItemEvent"></param>
/// <returns></returns>
protected ScheduleWorkflowItemAction Reschedule(WorkflowItemEvent workflowItemEvent)
{
Ensure.NotNull(workflowItemEvent, "workflowItemEvent");
var workflowItem = _allWorkflowItems.WorkflowItemFor(workflowItemEvent);
return(WorkflowAction.Schedule(workflowItem));
}
/// <summary>
/// Continue the scheduling the of child items. All child items will be scheduled as per Deflow algorithm.
/// </summary>
/// <param name="workflowItemEvent"></param>
/// <returns></returns>
protected WorkflowAction Continue(WorkflowItemEvent workflowItemEvent)
{
Ensure.NotNull(workflowItemEvent, "workflowItemEvent");
var workfowItem = _allWorkflowItems.WorkflowItemFor(workflowItemEvent);
return(WorkflowAction.ContinueWorkflow(workfowItem));
}
public LambdaItem LambdaItem(WorkflowItemEvent @event)
{
var item = _workflowItems.OfType <LambdaItem>().FirstOrDefault(@event.IsFor);
if (item == null)
{
throw new IncompatibleWorkflowException($"Can not find workflow item for event {@event}");
}
return(item);
}
public ActivityItem ActivityItem(WorkflowItemEvent workflowItemEvent)
{
var workflowActivity = Activity(workflowItemEvent);
if (workflowActivity == null)
{
throw new IncompatibleWorkflowException(string.Format("Can not find activity for event {0}.", workflowItemEvent));
}
return(workflowActivity);
}
public WorkflowItem WorkflowItem(WorkflowItemEvent workflowItemEvent)
{
var workflowItem = _workflowItems.FirstOrDefault(workflowItemEvent.IsFor);
if (workflowItem == null)
{
throw new IncompatibleWorkflowException($"Can not find workflow item for event {workflowItemEvent}");
}
return(workflowItem);
}
public ITimer TimerFor(WorkflowItemEvent workflowItemEvent)
{
var timer = _workflowItems.FirstOrDefault(workflowItemEvent.IsFor) as ITimer;
if (timer == null)
{
throw new IncompatibleWorkflowException(string.Format("Can not find timer for event {0}", workflowItemEvent));
}
return(timer);
}
public WorkflowItem WorkflowItemFor(WorkflowItemEvent workflowItemEvent)
{
var workflowItem = _workflowItems.FirstOrDefault(workflowItemEvent.IsFor);
if (workflowItem == null)
{
throw new IncompatibleWorkflowException(string.Format("Can not find workflow item for event {0}", workflowItemEvent));
}
return(workflowItem);
}
public ITimer Timer(WorkflowItemEvent workflowItemEvent)
{
var timer = _workflowItems.FirstOrDefault(workflowItemEvent.IsFor);
if (timer == null)
{
throw new IncompatibleWorkflowException($"Can not find timer for event {workflowItemEvent}");
}
return(timer);
}
public WorkflowItemEvent LastActivityEventFor(ActivityItem activityItem)
{
WorkflowItemEvent result = null;
if (_cachedActivityEvents.TryGetValue(activityItem, out result))
{
return(result);
}
result = AllActivityEventsFor(activityItem).FirstOrDefault();
_cachedActivityEvents.Add(activityItem, result);
return(result);
}
public WorkflowItemEvent LastTimerEventFor(TimerItem timerItem)
{
WorkflowItemEvent result = null;
if (_cachedTimerEvents.TryGetValue(timerItem, out result))
{
return(result);
}
result = AllTimerEventsFor(timerItem).FirstOrDefault();
_cachedTimerEvents.Add(timerItem, result);
return(result);
}
internal WorkflowItemWaitAction(WorkflowItemEvent itemEvent, SignalWaitType waitType, params string[] signalNames)
{
_scheduleId = itemEvent.ScheduleId;
_waitingEventTimeStamp = itemEvent.Timestamp;
_data = new WaitForSignalData
{
ScheduleId = itemEvent.ScheduleId,
TriggerEventId = itemEvent.EventId,
WaitType = waitType,
SignalNames = signalNames,
NextAction = SignalNextAction.Continue,
TriggerEventCompletionDate = itemEvent.Timestamp
};
}
public override WorkflowItemEvent LastEvent(bool includeRescheduleTimerEvents = false)
{
var lastEvent = WorkflowHistoryEvents.LastChildWorkflowEvent(this);
WorkflowItemEvent timerEvent = null;
if (includeRescheduleTimerEvents)
{
timerEvent = WorkflowHistoryEvents.LastTimerEvent(RescheduleTimer, true);
}
if (lastEvent > timerEvent)
{
return(lastEvent);
}
return(timerEvent);
}
public IEnumerable <WorkflowItemEvent> LastSimilarEvents()
{
WorkflowItemEvent lastEvent = null;
foreach (var @event in AllEvents())
{
lastEvent = lastEvent ?? @event;
if (lastEvent.GetType() == @event.GetType())
{
yield return(@event);
}
else
{
yield break;
}
}
}
public override WorkflowItemEvent LastEvent(bool includeRescheduleTimerEvents = false)
{
var latestActivityEvent = WorkflowHistoryEvents.LastActivityEvent(this);
WorkflowItemEvent latestTimerEvent = null;
if (includeRescheduleTimerEvents)
{
latestTimerEvent = WorkflowHistoryEvents.LastTimerEvent(RescheduleTimer, true);
}
if (latestActivityEvent > latestTimerEvent)
{
return(latestActivityEvent);
}
return(latestTimerEvent);
}
/// <summary>
/// Returns the child activity for given event.
/// </summary>
/// <param name="activityEvent"></param>
/// <returns></returns>
protected IActivityItem Activity(WorkflowItemEvent activityEvent)
{
Ensure.NotNull(activityEvent, "@event");
return(_allWorkflowItems.ActivityOf(activityEvent));
}
internal bool HasSameScheduleId(WorkflowItemEvent other) => ScheduleId == other.ScheduleId;
internal bool IsForSameWorkflowItemAs(WorkflowItemEvent otherWorkflowItemEvent)
{
return(AwsIdentity == otherWorkflowItemEvent.AwsIdentity);
}
public TimerItem TimerItem(WorkflowItemEvent timerEvent)
{
return(_workflowItems.OfType <TimerItem>().FirstOrDefault(timerEvent.IsFor));
}
private static bool IsRescheduleTimerEvent(WorkflowItemEvent @event)
{
var timerEvent = @event as TimerEvent;
return(timerEvent != null && timerEvent.TimerType == TimerType.Reschedule);
}
private static bool IsSignalTimerEvent(WorkflowItemEvent @event)
{
var timerEvent = @event as TimerEvent;
return(timerEvent != null && timerEvent.TimerType == TimerType.SignalTimer);
}
public ActivityItem Activity(WorkflowItemEvent activityEvent)
{
return(_workflowItems.OfType <ActivityItem>().FirstOrDefault(activityEvent.IsFor));
}
WorkflowAction IWorkflowDefaultActions.Continue(WorkflowItemEvent workflowItemEvent)
{
return(Continue(workflowItemEvent));
}
/// <summary>
/// Returns child workflow for given event.
/// </summary>
/// <param name="event"></param>
/// <returns></returns>
protected IChildWorkflowItem ChildWorkflow(WorkflowItemEvent @event)
{
Ensure.NotNull(@event, nameof(@event));
return(_allWorkflowItems.ChildWorkflowItem(@event));
}
public bool HasItemFor(WorkflowItemEvent @event) => AllItems.Any(@event.IsFor);
public bool Contains(WorkflowItemEvent @event) => _filterOutTypes.Contains(@event.GetType());
/// <summary>
/// Returns child timer for given <see cref="WorkflowItemEvent"/>.
/// </summary>
/// <param name="event"></param>
/// <returns></returns>
protected ITimerItem Timer(WorkflowItemEvent @event)
{
Ensure.NotNull(@event, "@event");
return(_allWorkflowItems.TimerItemFor(@event));
}
/// <summary>
/// Returns the lambda for given event.
/// </summary>
/// <param name="event"></param>
/// <returns></returns>
protected ILambdaItem Lambda(WorkflowItemEvent @event)
{
Ensure.NotNull(@event, "@event");
return(_allWorkflowItems.LambdaItem(@event));
}
