org.apache.giraph.graph

Class DefaultVertexValueCombiner<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable>

java.lang.Object

org.apache.giraph.graph.DefaultVertexValueCombiner<I,V,E>

Type Parameters:

I - Vertex id

V - Vertex data

E - Edge data

All Implemented Interfaces:

VertexValueCombiner<V>

public class DefaultVertexValueCombiner<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable>
extends Object
implements VertexValueCombiner<V>

The default vertex value combining approach is to simply keep the original value.

Constructor Summary

Constructors

Constructor and Description
DefaultVertexValueCombiner()

Method Summary

Modifier and Type	Method and Description
void	combine(V originalVertexValue, V vertexValue) Combine a vertex with the original vertex by modifying originalVertex.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultVertexValueCombiner

public DefaultVertexValueCombiner()

Method Detail

combine

public void combine(V originalVertexValue,
                    V vertexValue)

Description copied from interface: VertexValueCombiner

Combine a vertex with the original vertex by modifying originalVertex.

Specified by:

combine in interface VertexValueCombiner<V extends org.apache.hadoop.io.Writable>

Parameters:

originalVertexValue - Combine the other vertex into this one

vertexValue - Combine into the originalVertex.