public void Activity_Finished(object sender, OnActivityFinishedEventArgs e)
{
_runningActivities.TryRemove(e.Status.ActivityId, out var finishedActivity);
if (DelayTime != 0)
{
Task.Delay(DelayTime).Wait();
}
var possibleTransitions = GetTransitionsWithFrom(e.Status.ActivityId);
foreach (var pT in possibleTransitions)
{
Task.Run(() =>
{
if (pT.CheckCondition(StateToken))
{
var nextActivity = GetActivity(pT.To);
if (nextActivity == null)
{
logger.Error($"A fired transition with id {pT.Id} referenced an activity with id {pT.To} that was not found");
return;
}
else
{
if (!_runningActivities.ContainsKey(nextActivity.Id))
{
if (!_incomingTransitionsOfActivities.ContainsKey(nextActivity.Id))
{
_incomingTransitionsOfActivities[nextActivity.Id] = new List <int>();
}
_incomingTransitionsOfActivities[nextActivity.Id].Add(pT.Id);
bool isRunActivity = false;
switch (nextActivity.Guard)
{
case Activity.GuardType.And:
var requiredTrueTransitions = GetTransitionsWithTo(nextActivity.Id).Select(t => t.Id);
if (requiredTrueTransitions.All(rtt => _incomingTransitionsOfActivities[nextActivity.Id].Contains(rtt)))
{
isRunActivity = true;
}
break;
case Activity.GuardType.Or:
isRunActivity = true;
break;
default:
break;
}
if (isRunActivity)
{
_runningActivities[nextActivity.Id] = Task.Run(() =>
{
var parameters = GetParamObjectForActivity(nextActivity);
nextActivity.Run(_cancelationToken, StateToken, parameters);
}, _cancelationToken); //needs parameters
_incomingTransitionsOfActivities.TryRemove(e.Status.ActivityId, out var finishedActivityTransitionList);
}
}
else
{
var state = _runningActivities[nextActivity.Id].Status.ToString();
logger.Trace($"Did not start activity {nextActivity.Id} as it was already running in state {state}");
}
}
}
});
}
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
protected void FinishActivity(OnActivityFinishedEventArgs args)
{
Finished?.Invoke(this, args);
}
