org.apache.giraph.mapping.translate

Interface TranslateEdge<I extends org.apache.hadoop.io.WritableComparable,E extends org.apache.hadoop.io.Writable>

Type Parameters:

I - vertexId type

E - edgeValue type

All Superinterfaces:

GiraphConfigurationSettable, ImmutableClassesGiraphConfigurable

All Known Implementing Classes:

LongByteTranslateEdge, LongByteTranslateEdge.DoubleEdgeValue, LongByteTranslateEdge.FloatEdgeValue, LongByteTranslateEdge.IntEdgeValue, LongByteTranslateEdge.LongEdgeValue, LongByteTranslateEdge.NoEdgeValue

public interface TranslateEdge<I extends org.apache.hadoop.io.WritableComparable,E extends org.apache.hadoop.io.Writable>
extends ImmutableClassesGiraphConfigurable

Used to conduct expensive translation of edges during vertex input phase

Method Summary

Modifier and Type	Method and Description
E	cloneValue(E edgeValue) Clone edge value
void	initialize(BspServiceWorker<I,? extends org.apache.hadoop.io.Writable,E> service) Must be called before other methods can be used
I	translateId(I targetId) Translate Id & return a new instance

Methods inherited from interface org.apache.giraph.conf.ImmutableClassesGiraphConfigurable

getConf

Methods inherited from interface org.apache.giraph.conf.GiraphConfigurationSettable

setConf

Method Detail

initialize

void initialize(BspServiceWorker<I,? extends org.apache.hadoop.io.Writable,E> service)

Must be called before other methods can be used

Parameters:

service - bsp service worker

translateId

I translateId(I targetId)

Translate Id & return a new instance

Parameters:

targetId - edge target Id

Returns:

a new translated Id instance

cloneValue

E cloneValue(E edgeValue)

Clone edge value

Parameters:

edgeValue - edge value

Returns:

clone of edge value