LongValueSum (Apache Hadoop Main 3.5.0 API)
Description: declaration: package: org.apache.hadoop.mapred.lib.aggregate, class: LongValueSum

Package org.apache.hadoop.mapred.lib.aggregate

# Class LongValueSum

java.lang.Object
org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum
org.apache.hadoop.mapred.lib.aggregate.LongValueSum

All Implemented Interfaces:
  `ValueAggregator<String>`, `ValueAggregator<String>`

@Public @Stable public class LongValueSum extends LongValueSum implements ValueAggregator<String>
This class implements a value aggregator that sums up a sequence of long values.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `LongValueSum()`

- ## Method Summary

  ### Methods inherited from class org.apache.hadoop.mapreduce.lib.aggregate.LongValueSum

  `addNextValue, addNextValue, getCombinerOutput, getReport, getSum, reset`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

  ### Methods inherited from interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregator

  `addNextValue, getCombinerOutput, getReport, reset`

- ## Constructor Details

  - ### LongValueSum

    public LongValueSum()