protected override void OnActivityChangeAdd(ActivityExecutionContext executionContext, Activity addedActivity)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (addedActivity == null)
{
throw new ArgumentNullException("addedActivity");
}
if (addedActivity.Enabled && (executionContext.Activity.ExecutionStatus == ActivityExecutionStatus.Executing))
{
EventDrivenActivity eventDriven = addedActivity as EventDrivenActivity;
if (eventDriven != null)
{
StateMachineSubscriptionManager.ChangeEventDrivenQueueState(executionContext, eventDriven, false);
StateMachineExecutionState state = StateMachineExecutionState.Get(StateMachineHelpers.GetRootState(executionContext.Activity as StateActivity));
if (StateMachineHelpers.GetCurrentState(executionContext) != null)
{
state.SubscriptionManager.ReevaluateSubscriptions(executionContext);
state.LockQueue();
state.ProcessActions(executionContext);
}
}
}
}
protected override void OnActivityChangeAdd(ActivityExecutionContext executionContext, Activity addedActivity)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (addedActivity == null)
{
throw new ArgumentNullException("addedActivity");
}
if (!addedActivity.Enabled)
{
return;
}
if (executionContext.Activity.ExecutionStatus != ActivityExecutionStatus.Executing)
{
return; // activity is not executing
}
EventDrivenActivity eventDriven = addedActivity as EventDrivenActivity;
if (eventDriven == null)
{
return;
}
// Activity we added is an EventDrivenActivity
// First we disable the queue
StateMachineSubscriptionManager.ChangeEventDrivenQueueState(executionContext, eventDriven, false);
StateActivity rootState = StateMachineHelpers.GetRootState(executionContext.Activity as StateActivity);
StateMachineExecutionState executionState = StateMachineExecutionState.Get(rootState);
StateActivity currentState = StateMachineHelpers.GetCurrentState(executionContext);
if (currentState == null)
{
return; // Dynamic update happened before we entered the initial state
}
StateMachineSubscriptionManager subscriptionManager = executionState.SubscriptionManager;
subscriptionManager.ReevaluateSubscriptions(executionContext);
executionState.LockQueue();
executionState.ProcessActions(executionContext);
}