/// <summary>
/// Registers a trigger to this state machine.
/// </summary>
/// <param name="trigger">The registered trigger.</param>
public void RegisterTrigger(SMTrigger trigger)
{
if (this.commissioned)
{
throw new SMException("Unable to register a trigger to a commissioned state machine");
}
if (null == trigger)
{
throw new ArgumentNullException("trigger");
}
if (trigger.SourceState.SM != this)
{
throw new SMException("Unable to register a trigger with a source state that belongs to a different state machine!");
}
if (trigger.TargetState.SM != this)
{
throw new SMException("Unable to register a trigger with a target state that belongs to a different state machine!");
}
this.registeredTriggers.Add(trigger);
}
/// <summary>
/// This function is called by a trigger of this state machine when it is fired.
/// </summary>
public void TriggerHasBeenFired(SMTrigger trigger)
{
if (this.SmController.IsFiringForbidden)
{
throw new SMException("Firing triggers is currently forbidden by the SMC!");
}
if (null == trigger)
{
throw new ArgumentNullException("trigger");
}
if (!this.registeredTriggers.Contains(trigger))
{
throw new SMException("Unable to fire unregistered trigger!");
}
if (this.triggerHasBeenFired != null && this.triggerHasBeenFired != trigger)
{
throw new SMException("Another trigger has already been fired in state machine '" + this.name + "'!");
}
this.triggerHasBeenFired = trigger;
}