TxCallback (objectbox-java 3.1.3 API)

```
public interface TxCallback<T>
```
Callback to be used for BoxStore.runInTxAsync(Runnable, TxCallback) and BoxStore.callInTxAsync(Callable, TxCallback).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`txFinished(T result, java.lang.Throwable error)`	Called when an asynchronous transaction finished.

- Method Detail
  - txFinished
```
void txFinished(@Nullable
                T result,
                @Nullable
                java.lang.Throwable error)
```
    Called when an asynchronous transaction finished.
    
    Parameters:
    
    result - Result of the callable BoxStore.callInTxAsync(Callable, TxCallback)
    
    error - non-null if an exception was thrown