public void AddTransitionCallback(TState target, TransitionCallback <TState> method)
{
if (!_transitionsMap.ContainsKey(target))
{
throw new StateMachineException <TState>(ErrorCodes.UnknownArc, StateMachineException <TState> .MakeArcName(Name, target));
}
var transition = _transitionsMap[target];
transition.AddTransitionCallback(method);
}
public void AddTransition(State <T> state)
{
if (_transitionsMap.ContainsKey(state.Name))
{
throw new StateMachineException <T>(ErrorCodes.AlreadyPresentArc, StateMachineException <T> .MakeArcName(Name, state.Name));
}
Transition <T> transition = new Transition <T>(this, state);
_transitionsMap[state.Name] = transition;
}
public void AddTransitArcCallback(string target, ArcCallback method)
{
if (!_arcsMap.ContainsKey(target))
{
throw new StateMachineException(ErrorCodes.UnknownArc, StateMachineException.MakeArcName(Name, target));
}
Arc a = _arcsMap[target];
a.AddTransitionCallback(method);
}
public void AddArc(State s)
{
if (_arcsMap.ContainsKey(s.Name))
{
throw new StateMachineException(ErrorCodes.AlreadyPresentArc, StateMachineException.MakeArcName(Name, s.Name));
}
Arc a = new Arc(this, s);
_arcsMap[s.Name] = a;
}
public Arc(State source, State target)
{
Source = source;
Target = target;
_transitCallbacks = new List <ArcCallbackInvoker>();
if (IsUnlinked)
{
throw new StateMachineException(ErrorCodes.InvalidArc, StateMachineException.MakeArcName(source.Name, target.Name));
}
}
public Transition(StateContainer <TState> source, StateContainer <TState> target)
{
Source = source;
Target = target;
_transitCallbacks = new List <TransitionCallbackInvoker <TState> >();
if (IsUnlinked)
{
throw new StateMachineException <TState>(ErrorCodes.InvalidArc, StateMachineException <TState> .MakeArcName(source.Name, target.Name));
}
}
public Transition(State <T> source, State <T> target)
{
Source = source;
Target = target;
_callbacks = new List <Action <State <T>, State <T> > >();
if (IsUnlinked)
{
throw new StateMachineException <T>(ErrorCodes.InvalidArc, StateMachineException <T> .MakeArcName(source.Name, target.Name));
}
}
public void GoToState(TState stateName)
{
try
{
if (IsTransiting)
{
throw new StateMachineException <TState>(ErrorCodes.AlreadyTransiting, stateName);
}
IsTransiting = true;
OnTransiting(new TransitingEventArgs <TState>(stateName));
var target = this[stateName];
if (target == null)
{
throw new StateMachineException <TState>(ErrorCodes.UnknownState, stateName);
}
if (CurrentState != null)
{
var transition = CurrentState[target];
if (transition == null)
{
throw new StateMachineException <TState>(ErrorCodes.InvalidTransition, StateMachineException <TState> .MakeArcName(CurrentState.Name, target.Name));
}
CurrentState.CallExitCallbacks();
transition.CallTransitionCallbacks();
}
CurrentState = target;
target.CallEnterCallbacks();
IsTransiting = false;
OnTransited(new TransitedEventArgs <TState>(CurrentState.Name));
}
catch
{
IsTransiting = false;
throw;
}
}
