AccessoryWithTemperatureDisplayUnits (hap-java 2.0.2 API)

```
public interface AccessoryWithTemperatureDisplayUnits
```
Accessory with characteristic that describes units of temperature used for presentation purposes (e.g. the units of temperature displayed on the screen).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<TemperatureDisplayUnitEnum>`	`getTemperatureDisplayUnits()`	Retrieves temperature display units
`CompletableFuture<Void>`	`setTemperatureDisplayUnits(TemperatureDisplayUnitEnum units)`	Sets the temperature display units
`void`	`subscribeTemperatureDisplayUnits(HomekitCharacteristicChangeCallback callback)`	Subscribes to changes in the temperature display units
`void`	`unsubscribeTemperatureDisplayUnits()`	Unsubscribes from changes in the temperature display units

- Method Detail
  - getTemperatureDisplayUnits
```
CompletableFuture<TemperatureDisplayUnitEnum> getTemperatureDisplayUnits()
```
    Retrieves temperature display units
    
    Returns:
    
    a future that will contain temperature display units
  - setTemperatureDisplayUnits
```
CompletableFuture<Void> setTemperatureDisplayUnits(TemperatureDisplayUnitEnum units)
                                            throws Exception
```
    Sets the temperature display units
    
    Parameters:
    
    units - the target temperature display units
    
    Returns:
    
    a future that completes when the change is made
    
    Throws:
    
    Exception - when the change cannot be made
  - subscribeTemperatureDisplayUnits
```
void subscribeTemperatureDisplayUnits(HomekitCharacteristicChangeCallback callback)
```
    Subscribes to changes in the temperature display units
    
    Parameters:
    
    callback - the function to call when temperature display units changes.
  - unsubscribeTemperatureDisplayUnits
```
void unsubscribeTemperatureDisplayUnits()
```
    Unsubscribes from changes in the temperature display units