/// <summary>
/// Helper method for access to the underlying state via Interlocked
/// </summary>
/// <param name="oldState">Previous state on transition</param>
/// <param name="newState">Next state on transition</param>
/// <returns>Whether the previous state matched correctly</returns>
private bool SwapState(AtomicState oldState, AtomicState newState)
{
return(Interlocked.CompareExchange(ref _currentState, newState, oldState) == oldState);
}
/// <summary>
/// Trips breaker to an open state. This is valid from Closed or Half-Open states
/// </summary>
/// <param name="fromState">State we're coming from (Closed or Half-Open)</param>
internal void TripBreaker(AtomicState fromState)
{
Transition(fromState, Open);
}
public Actor(AtomicState state, IScrollableCursor cursor)
{
this.state = state;
this.cursor = cursor;
}
public EpsilonTransition(AtomicState fromState)
: base(fromState, true)
{
}
public Transition(AtomicState fromState, bool epsilon)
: this(fromState, null)
{
this.epsilon = epsilon;
}
public Transition(AtomicState fromState, Func <Char> input)
{
this.fromState = fromState;
this.input = input;
}
