private void AddActivityResultToData(IWorkflowActivityBase activity, WorkflowActivityOutput result)
{
var data = Data.SingleOrDefault(d => d.ActivityId == activity.Id);
if (data != null)
{
Data.Remove(data);
}
Data.Add(new ActivityData {
ActivityId = activity.Id, Output = result
});
}
/// <exception cref="WorkflowException">A workflow exception occurred. </exception>
private async Task <WorkflowActivityOutput> HandleCompletionSuccess(IWorkflowActivityBase activity, WorkflowActivityOutput result)
{
AddActivityResultToData(activity, result);
var nextActivities = result.GetNextActivities(activity, WorkflowDefinition);
if (nextActivities == null)
{
nextActivities = GetDefaultNextActivities(activity);
}
if (!(activity is ForkActivity) && nextActivities.Length > 1)
{
throw new WorkflowException(string.Format("Activity ({0}) has multiple next activities ({1}) " +
"but only ForkActivity activities can return multiple activities. ",
activity.Id, string.Join(", ", nextActivities.Select(a => a.Id))));
}
CurrentActivityIds.Remove(activity.Id);
await AddNextActivitiesAsync(activity, nextActivities);
return(result);
}
private static WorkflowActivityOutput HandleCompletionFailed(WorkflowActivityOutput result)
{
return(result);
}