public final class IntegerSumAggregatorBinaryFunction extends Object implements BinaryFunction<Integer,Integer,Integer>
AbstractNoStoreAggregator
which
sums up the 2 given numbers (hence the "Binary" in the name!). Counterpart of
IntegerSumAggregatorFunction
.public IntegerSumAggregatorBinaryFunction()
public Integer evaluate(Integer left, Integer right)
evaluate
in interface BinaryFunction<Integer,Integer,Integer>
left
- first number to add. If null
, then
right
will be returned.right
- second number to add. If null
, then
left
will be returned.Copyright © 2003–2014 The Apache Software Foundation. All rights reserved.