private static void EnteringLeafState(ActivityExecutionContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
StateActivity state = (StateActivity)context.Activity;
Debug.Assert(StateMachineHelpers.IsLeafState(state));
StateMachineExecutionState executionState = GetExecutionState(state);
executionState.SubscriptionManager.SubscribeToSetStateEvent(context);
string completedStateName = StateMachineHelpers.GetCompletedStateName(state);
if (StateMachineHelpers.IsCompletedState(state))
{
// make sure that we track that we entered the completed state
EnteringStateAction enteringState = new EnteringStateAction(state.QualifiedName);
executionState.EnqueueAction(enteringState);
executionState.ProcessActions(context);
// this is the final state, so we start completing this tree
executionState.Completed = true;
LeavingState(context);
}
else
{
if (String.IsNullOrEmpty(executionState.NextStateName))
{
executionState.SubscriptionManager.ReevaluateSubscriptions(context);
EnteringStateAction enteringState = new EnteringStateAction(state.QualifiedName);
executionState.EnqueueAction(enteringState);
executionState.LockQueue();
}
else
{
// The StateInitialization requested a state transtion
EnteringStateAction enteringState = new EnteringStateAction(state.QualifiedName);
executionState.EnqueueAction(enteringState);
executionState.ProcessTransitionRequest(context);
}
executionState.ProcessActions(context);
}
}
private static void EnteringLeafState(ActivityExecutionContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
StateActivity activity = (StateActivity)context.Activity;
StateMachineExecutionState executionState = GetExecutionState(activity);
executionState.SubscriptionManager.SubscribeToSetStateEvent(context);
StateMachineHelpers.GetCompletedStateName(activity);
if (StateMachineHelpers.IsCompletedState(activity))
{
EnteringStateAction action = new EnteringStateAction(activity.QualifiedName);
executionState.EnqueueAction(action);
executionState.ProcessActions(context);
executionState.Completed = true;
LeavingState(context);
}
else
{
if (string.IsNullOrEmpty(executionState.NextStateName))
{
executionState.SubscriptionManager.ReevaluateSubscriptions(context);
EnteringStateAction action2 = new EnteringStateAction(activity.QualifiedName);
executionState.EnqueueAction(action2);
executionState.LockQueue();
}
else
{
EnteringStateAction action3 = new EnteringStateAction(activity.QualifiedName);
executionState.EnqueueAction(action3);
executionState.ProcessTransitionRequest(context);
}
executionState.ProcessActions(context);
}
}