DataCallback

```
public interface DataFetcher.DataCallback<T>

                    
```
Callback that must be called when data has been loaded and is available, or when the loadfails.

Method Summary

Modifier and Type	Method	Description
`abstract void`	`onDataReady(@Nullable() T data)`	Called with the loaded data if the load succeeded, or with `{@code null}` if the load failed.
`abstract void`	`onLoadFailed(@NonNull() Exception e)`	Called when the load fails.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - onDataReady
```
 abstract void onDataReady(@Nullable() T data)
```
    Called with the loaded data if the load succeeded, or with {@code null} if the load failed.
  - onLoadFailed
```
 abstract void onLoadFailed(@NonNull() Exception e)
```
    Called when the load fails.
    
    Parameters:
    
    e - a non-null Exception indicating why the load failed.