public void AddTransition(ActionNode nodeFrom, ActionNode nodeTo, Func <bool> condition, Action transitionAction)
{
if (nodeFrom == null || nodeTo == null)
{
throw new ArgumentNullException("Must define a start and an end node.");
}
if (nodeFrom.Equals(nodeTo))
{
throw new Exception("Start node cannot equal end node.");
}
// Does not prevent the user from creating circular dependencies.
transitionPool.Add(new Transition(context)
{
NodeFrom = nodeFrom,
NodeTo = nodeTo,
CanTransition = condition,
ActionForward = transitionAction
});
}