/// <exception cref="FsmBuilderException">When the model is null</exception>
public Fsm(FsmModel <TS, TT> model)
{
Model = model ?? throw FsmBuilderException.ModelCannotBeNull();
if (Model.StackEnabled && !model.Current.ClearStack)
{
Model.Stack.Push(model.Current);
}
}
/// <exception cref="FsmBuilderException">When the initial state is null</exception>
public Fsm(State <TS, TT> current, bool stackEnabled = false)
{
Model.StackEnabled = stackEnabled;
Model.Current = current ?? throw FsmBuilderException.StateCannotBeNull();
if (Model.StackEnabled && !current.ClearStack)
{
Model.Stack.Push(current);
}
}
/// <exception cref="FsmBuilderException">
/// When the transition is null or another transition already leads to the same
/// target state
/// </exception>
public Fsm <TS, TT> Add(Transition <TS, TT> t)
{
if (t == null)
{
throw FsmBuilderException.TransitionCannotBeNull();
}
Model.GlobalTransitions.Add(t.Target, t);
return(this);
}
/// <exception cref="FsmBuilderException">When the handler is null</exception>
public Fsm <TS, TT> AddStateChangeHandler(
EventHandler <StateChangeArgs <TS, TT> > e)
{
if (e == null)
{
throw FsmBuilderException.HandlerCannotBeNull();
}
Model.StateChanged += e;
return(this);
}
/// <exception cref="FsmBuilderException">When the state is null or the state has already been added before</exception>
public Fsm <TS, TT> Add(State <TS, TT> state)
{
if (state == null)
{
throw FsmBuilderException.StateCannotBeNull();
}
if (Model.States.ContainsKey(state.Identifier))
{
throw FsmBuilderException.StateCanOnlyBeAddedOnce(state);
}
Model.States.Add(state.Identifier, state);
return(this);
}
public void AddStateChangedHandler(
EventHandler <StateChangeArgs <TS, TT> > e)
{
StateChanged += e ?? throw FsmBuilderException.HandlerCannotBeNull();
}
/// <exception cref="FsmBuilderException">When the handler is null</exception>
public void AddUpdatedHandler(Action <UpdateArgs <TS, TT> > e)
{
Updated += e ?? throw FsmBuilderException.HandlerCannotBeNull();
}
/// <exception cref="FsmBuilderException">When the handler is null</exception>
public void AddExitedHandler(Action <StateChangeArgs <TS, TT> > e)
{
Exited += e ?? throw FsmBuilderException.HandlerCannotBeNull();
}