internal void Subscribe(ActivityExecutionContext context, StateActivity state, IEventActivity eventActivity)
{
eventActivity.Subscribe(context, this);
Activity activity = (Activity)eventActivity;
this._queueName = eventActivity.QueueName;
this._eventActivityName = activity.QualifiedName;
this._stateName = state.QualifiedName;
base.SubscriptionId = Guid.NewGuid();
EventDrivenActivity parentEventDriven = StateMachineHelpers.GetParentEventDriven(eventActivity);
this._eventDrivenName = parentEventDriven.QualifiedName;
}
private ReadOnlyCollection <string> GetPossibleStateTransitions()
{
List <string> targetStates = new List <string>();
ReadOnlyCollection <WorkflowQueueInfo> workflowQueuedInfos = this.WorkflowInstance.GetWorkflowQueueData();
StateMachineWorkflowActivity stateMachineWorkflow = this.StateMachineWorkflow;
foreach (WorkflowQueueInfo queueInfo in workflowQueuedInfos)
{
foreach (string subscribedActivityName in queueInfo.SubscribedActivityNames)
{
Activity subscribedActivity = StateMachineHelpers.FindActivityByName(stateMachineWorkflow, subscribedActivityName);
IEventActivity eventActivity = subscribedActivity as IEventActivity;
if (eventActivity == null)
{
continue;
}
EventDrivenActivity eventDriven = StateMachineHelpers.GetParentEventDriven(eventActivity);
Debug.Assert(eventDriven != null);
Queue <Activity> activities = new Queue <Activity>();
activities.Enqueue(eventDriven);
while (activities.Count > 0)
{
Activity activity = activities.Dequeue();
SetStateActivity setState = activity as SetStateActivity;
if (setState != null)
{
targetStates.Add(setState.TargetStateName);
}
else
{
CompositeActivity compositeActivity = activity as CompositeActivity;
if (compositeActivity != null)
{
foreach (Activity childActivity in compositeActivity.EnabledActivities)
{
activities.Enqueue(childActivity);
}
}
}
}
}
}
return(targetStates.AsReadOnly());
}
private ReadOnlyCollection <string> GetPossibleStateTransitions()
{
List <string> list = new List <string>();
ReadOnlyCollection <WorkflowQueueInfo> workflowQueueData = this.WorkflowInstance.GetWorkflowQueueData();
StateMachineWorkflowActivity stateMachineWorkflow = this.StateMachineWorkflow;
foreach (WorkflowQueueInfo info in workflowQueueData)
{
foreach (string str in info.SubscribedActivityNames)
{
IEventActivity eventActivity = StateMachineHelpers.FindActivityByName(stateMachineWorkflow, str) as IEventActivity;
if (eventActivity != null)
{
EventDrivenActivity parentEventDriven = StateMachineHelpers.GetParentEventDriven(eventActivity);
Queue <Activity> queue = new Queue <Activity>();
queue.Enqueue(parentEventDriven);
while (queue.Count > 0)
{
Activity activity5 = queue.Dequeue();
SetStateActivity activity6 = activity5 as SetStateActivity;
if (activity6 != null)
{
list.Add(activity6.TargetStateName);
}
else
{
CompositeActivity activity7 = activity5 as CompositeActivity;
if (activity7 != null)
{
foreach (Activity activity8 in activity7.EnabledActivities)
{
queue.Enqueue(activity8);
}
continue;
}
}
}
}
}
}
return(list.AsReadOnly());
}
