ReducerState

All Known Implementing Classes:

FirstReducerState, MutableReducerState
```
public interface ReducerState<T,R>
```
INTERNAL API
Helper class to be able to express reduce as a fold for parallel collector without accidentally sharing state between materializations

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  R finish()
  
  ReducerState<T,R> update(java.lang.Object batch)

Method Detail

finish
```
R finish()
```

update

ReducerState<T,R> update(java.lang.Object batch)