org.apache.hama.graph

Class AverageAggregator

java.lang.Object

org.apache.hama.graph.AbstractAggregator<org.apache.hadoop.io.DoubleWritable,Vertex<?,?,org.apache.hadoop.io.DoubleWritable>>

org.apache.hama.graph.AbsDiffAggregator

org.apache.hama.graph.AverageAggregator

All Implemented Interfaces:

Aggregator<org.apache.hadoop.io.DoubleWritable,Vertex<?,?,org.apache.hadoop.io.DoubleWritable>>

public class AverageAggregator
extends AbsDiffAggregator

Averages the result of the AbsDiffAggregator.

Constructor Summary

Constructors

Constructor and Description
AverageAggregator()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.io.DoubleWritable	finalizeAggregation() Finalizes the aggregation on a master task.

Methods inherited from class org.apache.hama.graph.AbsDiffAggregator

aggregate, aggregate, getValue

Methods inherited from class org.apache.hama.graph.AbstractAggregator

getTimesAggregated, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AverageAggregator

public AverageAggregator()

Method Detail

finalizeAggregation

public org.apache.hadoop.io.DoubleWritable finalizeAggregation()

Description copied from class: AbstractAggregator

Finalizes the aggregation on a master task. This is intended to be overridden by the user and is just an empty implementation in this class (returns null).

Overrides:

finalizeAggregation in class AbstractAggregator<org.apache.hadoop.io.DoubleWritable,Vertex<?,?,org.apache.hadoop.io.DoubleWritable>>