/// <summary>
/// Opens elevator door
/// </summary>
public void Open()
{
if (CurrentFloor == TargetFloor)
{
SetState(ElevatorStateFactory.CreateOpened(_elevatorStateObservable, LoadUnloadTime));
}
}
/// <summary>
/// Creates elevator instance
/// </summary>
/// <param name="logger">Logger for output debug info</param>
public Elevator(ILogger <Elevator> logger)
{
_logger = logger;
_elevatorStateObservable = new Subject <IElevatorState>();
_elevatorActionObservable = new Subject <ElevatorAction>();
_elevatorState = ElevatorStateFactory.CreateNone(_elevatorStateObservable);
CurrentFloor = TargetFloor = 0;
}
/// <summary>
/// Starts move elevator between floors
/// </summary>
/// <param name="targetFloor">Target elevator floor</param>
public void Move(int targetFloor)
{
TargetFloor = targetFloor;
if (CurrentFloor == TargetFloor)
{
return;
}
var heightBetweenFloors = Math.Abs(TargetFloor - CurrentFloor) * FloorHeight;
var moveTime = heightBetweenFloors / Speed;
SetState(ElevatorStateFactory.CreateMoved(_elevatorStateObservable, moveTime));
}
/// <summary>
/// Normally we cannot enter the same state two or more times. In this case we break this rule. We force opened state
/// again even before already was opened state
/// </summary>
public void RefreshOpen()
{
SetState(ElevatorStateFactory.CreateOpened(_elevatorStateObservable, LoadUnloadTime), true);
}