ReducerValueUpdater (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.trident.state.ReducerValueUpdater

All Implemented Interfaces:: ValueUpdater<Object>

public class ReducerValueUpdater
extends Object
implements ValueUpdater<Object>

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ReducerValueUpdater(ReducerAggregator agg, List<TridentTuple> tuples)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Object update(Object stored)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReducerValueUpdater

public ReducerValueUpdater(ReducerAggregator agg,
                           List<TridentTuple> tuples)

Method Detail
- update
```
public Object update(Object stored)
```
  Specified by:
  
  update in interface ValueUpdater<Object>