org.apache.hadoop.mapred.lib.aggregate
Class DoubleValueSum

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

All Implemented Interfaces:

ValueAggregator<String>

@InterfaceAudience.Public
@InterfaceStability.Stable
public class DoubleValueSum
extends DoubleValueSum
implements ValueAggregator<String>

This class implements a value aggregator that sums up a sequence of double values.

Constructor Summary

DoubleValueSum()

Method Summary

Methods inherited from class org.apache.hadoop.mapreduce.lib.aggregate.DoubleValueSum

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 Detail

DoubleValueSum

public DoubleValueSum()