org.apache.giraph.mapping.translate

Class LongByteTranslateEdge<E extends org.apache.hadoop.io.Writable>

java.lang.Object

org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable

org.apache.giraph.mapping.translate.LongByteTranslateEdge<E>

Type Parameters:

E - edge value type

All Implemented Interfaces:

GiraphConfigurationSettable, ImmutableClassesGiraphConfigurable, TranslateEdge<org.apache.hadoop.io.LongWritable,E>

Direct Known Subclasses:

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

public class LongByteTranslateEdge<E extends org.apache.hadoop.io.Writable>
extends DefaultImmutableClassesGiraphConfigurable
implements TranslateEdge<org.apache.hadoop.io.LongWritable,E>

Basic implementation of Translate Edge where I = LongWritable & B = ByteWritable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LongByteTranslateEdge.DoubleEdgeValue Correct implementation of cloneValue when edgevalue = doublewritable
static class	LongByteTranslateEdge.FloatEdgeValue Correct implementation of cloneValue when edgevalue = floatwritable
static class	LongByteTranslateEdge.IntEdgeValue Correct implementation of cloneValue when edgevalue = intwritable
static class	LongByteTranslateEdge.LongEdgeValue Correct implementation of cloneValue when edgevalue = longwritable
static class	LongByteTranslateEdge.NoEdgeValue Correct implementation of cloneValue when edgevalue = nullwritable

Constructor Summary

Constructors

Constructor and Description
LongByteTranslateEdge()

Method Summary

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

Methods inherited from class org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable

getConf, setConf

Methods inherited from class java.lang.Object

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

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

getConf

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

setConf

Constructor Detail

LongByteTranslateEdge

public LongByteTranslateEdge()

Method Detail

initialize

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

Description copied from interface: TranslateEdge

Must be called before other methods can be used

Specified by:

initialize in interface TranslateEdge<org.apache.hadoop.io.LongWritable,E extends org.apache.hadoop.io.Writable>

Parameters:

service - bsp service worker

translateId

public org.apache.hadoop.io.LongWritable translateId(org.apache.hadoop.io.LongWritable targetId)

Description copied from interface: TranslateEdge

Translate Id & return a new instance

Specified by:

translateId in interface TranslateEdge<org.apache.hadoop.io.LongWritable,E extends org.apache.hadoop.io.Writable>

Parameters:

targetId - edge target Id

Returns:

a new translated Id instance

cloneValue

public E cloneValue(E edgeValue)

Description copied from interface: TranslateEdge

Clone edge value

Specified by:

cloneValue in interface TranslateEdge<org.apache.hadoop.io.LongWritable,E extends org.apache.hadoop.io.Writable>

Parameters:

edgeValue - edge value

Returns:

clone of edge value