public class Sum extends Object implements CombinerAggregator<Number>
| Constructor and Description |
|---|
Sum() |
| Modifier and Type | Method and Description |
|---|---|
Number |
combine(Number val1,
Number val2) |
Number |
init(TridentTuple tuple) |
Number |
zero() |
public Number init(TridentTuple tuple)
init in interface CombinerAggregator<Number>public Number combine(Number val1, Number val2)
combine in interface CombinerAggregator<Number>public Number zero()
zero in interface CombinerAggregator<Number>Copyright © 2021 The Apache Software Foundation. All rights reserved.