/// <summary>
/// Dispatches events to the current state.
/// </summary>
/// <param name="eventID">
/// The event ID.
/// </param>
/// <param name="args">
/// The data accompanying the event.
/// </param>
private void Dispatch(int eventID, object[] args)
{
// Reset action result.
ActionResult = null;
TransitionResult result;
// Dispatch event to the current state.
result = currentState.Dispatch(eventID, args);
// If a transition was fired as a result of this event.
if (result.HasFired)
{
currentState = result.NewState;
TransitionCompletedEventArgs e = new TransitionCompletedEventArgs(currentState.ID, eventID, ActionResult, result.Error);
if (context != null)
{
context.Post(delegate(object state)
{
OnTransitionCompleted(e);
}, null);
}
else
{
OnTransitionCompleted(e);
}
}
}
protected virtual void OnTransitionCompleted(TransitionCompletedEventArgs e)
{
TransitionCompletedEventHandler handler = TransitionCompleted;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// Dispatches events to the current state.
/// </summary>
/// <param name="eventId">
/// The event ID.
/// </param>
/// <param name="args">
/// The data accompanying the event.
/// </param>
protected virtual void Dispatch(TEvent eventId, TArgs args)
{
// Reset action result.
ActionResult = null;
var currentState = CurrentState;
var eventContext = new EventContext(currentState.ID, eventId, args);
CurrentEventContext = eventContext;
s_currentStateMachine = this;
try
{
OnBeginDispatch(eventContext);
// Dispatch event to the current state.
var result = currentState.Dispatch(eventContext);
/*
* // report errors
* if (result.Error != null)
* OnExceptionThrown(
* new TransitionErrorEventArgs(
* m_currentEventContext, result.Error));
*/
// If a transition was fired as a result of this event.
if (!result.HasFired)
{
OnTransitionDeclined(eventContext);
return;
}
CurrentStateID = result.NewState;
var eventArgs =
new TransitionCompletedEventArgs <TState, TEvent, TArgs>(
result.NewState, eventContext, ActionResult, result.Error);
OnTransitionCompleted(eventArgs);
}
catch (Exception ex)
{
HandleDispatchException(ex);
}
finally
{
CurrentEventContext = null;
s_currentStateMachine = null;
}
}
/// <summary>
/// Raises the <see cref="StateMachine{TState,TEvent,TArgs}.TransitionCompleted"/> event.
/// </summary>
/// <param name="args">The <see cref="TransitionCompletedEventArgs{TState,TEvent,TArgs}"/> instance
/// containing the event data.</param>
protected virtual void OnTransitionCompleted(TransitionCompletedEventArgs <TState, TEvent, TArgs> args)
{
RaiseSafeEvent(TransitionCompleted, args, ExceptionPolicy.RaiseExceptionEvent);
}
/// <summary>
/// Raises the <see cref="StateMachine{TState,TEvent,TArgs}.TransitionCompleted"/> event.
/// </summary>
/// <param name="args">The <see cref="TransitionCompletedEventArgs{TState,TEvent,TArgs}"/> instance
/// containing the event data.</param>
protected override void OnTransitionCompleted(TransitionCompletedEventArgs <TState, TEvent, TArgs> args)
{
synchronizedPost(base.OnTransitionCompleted, args);
}
