org.apache.giraph.graph

Interface VertexValueCombiner<V extends org.apache.hadoop.io.Writable>

Type Parameters:

V - Vertex data

All Known Implementing Classes:

DefaultVertexValueCombiner

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

When vertex values with the same vertex id are loaded, this class specifies how to combine their vertex values. Edges loaded will be added to the EdgeStore.

Method Summary

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

Method Detail

combine

void combine(V originalVertexValue,
             V vertexValue)

Combine a vertex with the original vertex by modifying originalVertex.

Parameters:

originalVertexValue - Combine the other vertex into this one

vertexValue - Combine into the originalVertex.