AccessoryWithRotationDirection (hap-java 2.0.2 API)

```
public interface AccessoryWithRotationDirection
```
accessory with rotation direction characteristics.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<RotationDirectionEnum>`	`getRotationDirection()`	Retrieves the current rotation direction.
`CompletableFuture<Void>`	`setRotationDirection(RotationDirectionEnum direction)`	Sets the rotation direction
`void`	`subscribeRotationDirection(HomekitCharacteristicChangeCallback callback)`	Subscribes to changes in the rotation direction.
`void`	`unsubscribeRotationDirection()`	Unsubscribes from changes in the rotation direction.

- Method Detail
  - getRotationDirection
```
CompletableFuture<RotationDirectionEnum> getRotationDirection()
```
    Retrieves the current rotation direction.
    
    Returns:
    
    a future that will contain the direction
  - setRotationDirection
```
CompletableFuture<Void> setRotationDirection(RotationDirectionEnum direction)
                                      throws Exception
```
    Sets the rotation direction
    
    Parameters:
    
    direction - the direction to set
    
    Returns:
    
    a future that completes when the change is made
    
    Throws:
    
    Exception - when the change cannot be made
  - subscribeRotationDirection
```
void subscribeRotationDirection(HomekitCharacteristicChangeCallback callback)
```
    Subscribes to changes in the rotation direction.
    
    Parameters:
    
    callback - the function to call when the direction changes.
  - unsubscribeRotationDirection
```
void unsubscribeRotationDirection()
```
    Unsubscribes from changes in the rotation direction.