TxnVoidCallable

```
public interface TxnVoidCallable
```
A transactional callable contains the logic that needs to be executed transactionally and normally is executed by the TxnExecutor. This transactional callable is optimized for returning void. Useful if no value needs to be returned.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void call(Txn txn)
  Executes the callable.

- Method Detail
  - call
```
void call(Txn txn)
   throws java.lang.Exception
```
    Executes the callable.
    
    Parameters:
    
    txn - the Transaction. Depending on the txn PropagationLevel, this could be null.
    
    Throws:
    
    java.lang.Exception - if unable to compute a result