FirstReducerState

java.lang.Object
- akka.stream.impl.FirstReducerState<T,R>

All Implemented Interfaces:

ReducerState<T,R>
```
public final class FirstReducerState<T,R>
extends java.lang.Object
implements ReducerState<T,R>
```
INTERNAL API
Helper class to be able to express reduce as a fold for parallel collector

- Constructor Summary
  
  Constructors
  Constructor Description
  
  FirstReducerState(scala.Function0<java.util.stream.Collector<T,java.lang.Object,R>> collectorFactory)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  R finish()
  
  ReducerState<T,R> update(java.lang.Object batch)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FirstReducerState

public FirstReducerState(scala.Function0<java.util.stream.Collector<T,java.lang.Object,R>> collectorFactory)

Method Detail
- finish
```
public R finish()
```
  Specified by:
  
  finish in interface ReducerState<T,R>
- update
```
public ReducerState<T,R> update(java.lang.Object batch)
```
  Specified by:
  
  update in interface ReducerState<T,R>