com.thinkaurelius.titan.hadoop.formats.util

Class TitanGraphOutputMapReduce.VertexMap

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.NullWritable,FaunusVertex,org.apache.hadoop.io.LongWritable,Holder<FaunusVertex>>

com.thinkaurelius.titan.hadoop.formats.util.TitanGraphOutputMapReduce.VertexMap

Enclosing class:

TitanGraphOutputMapReduce

public static class TitanGraphOutputMapReduce.VertexMap
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.NullWritable,FaunusVertex,org.apache.hadoop.io.LongWritable,Holder<FaunusVertex>>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor and Description
VertexMap()

Method Summary

Modifier and Type	Method and Description
void	cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
TitanVertex	getCreateOrDeleteVertex(FaunusVertex faunusVertex, org.apache.hadoop.mapreduce.Mapper.Context context)
void	map(org.apache.hadoop.io.NullWritable key, FaunusVertex value, org.apache.hadoop.mapreduce.Mapper.Context context)
void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

run

Methods inherited from class java.lang.Object

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

Constructor Detail

VertexMap

public VertexMap()

Method Detail

setup

public void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
           throws IOException,
                  InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.NullWritable,FaunusVertex,org.apache.hadoop.io.LongWritable,Holder<FaunusVertex>>

Throws:

IOException

InterruptedException

map

public void map(org.apache.hadoop.io.NullWritable key,
                FaunusVertex value,
                org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException,
                InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.NullWritable,FaunusVertex,org.apache.hadoop.io.LongWritable,Holder<FaunusVertex>>

Throws:

IOException

InterruptedException

cleanup

public void cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
             throws IOException,
                    InterruptedException

Overrides:

cleanup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.NullWritable,FaunusVertex,org.apache.hadoop.io.LongWritable,Holder<FaunusVertex>>

Throws:

IOException

InterruptedException

getCreateOrDeleteVertex

public TitanVertex getCreateOrDeleteVertex(FaunusVertex faunusVertex,
                                           org.apache.hadoop.mapreduce.Mapper.Context context)
                                    throws InterruptedException

Throws:

InterruptedException