org.apache.tinkerpop.gremlin.hadoop.process.computer.giraph.io

Class GiraphVertexReader

java.lang.Object

org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable<I,V,E,org.apache.hadoop.io.Writable>

org.apache.giraph.io.VertexReader

org.apache.tinkerpop.gremlin.hadoop.process.computer.giraph.io.GiraphVertexReader

All Implemented Interfaces:

org.apache.giraph.conf.ImmutableClassesGiraphConfigurable

public final class GiraphVertexReader
extends org.apache.giraph.io.VertexReader

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Constructor Summary

Constructors

Constructor and Description
GiraphVertexReader(org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,VertexWritable> recordReader)

Method Summary

Modifier and Type	Method and Description
void	close()
org.apache.giraph.graph.Vertex	getCurrentVertex()
float	getProgress()
void	initialize(org.apache.hadoop.mapreduce.InputSplit inputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext context)
boolean	nextVertex()

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

Constructor Detail

GiraphVertexReader

public GiraphVertexReader(org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,VertexWritable> recordReader)

Method Detail

initialize

public void initialize(org.apache.hadoop.mapreduce.InputSplit inputSplit,
                       org.apache.hadoop.mapreduce.TaskAttemptContext context)
                throws IOException,
                       InterruptedException

Specified by:

initialize in class org.apache.giraph.io.VertexReader

Throws:

IOException

InterruptedException

nextVertex

public boolean nextVertex()
                   throws IOException,
                          InterruptedException

Specified by:

nextVertex in class org.apache.giraph.io.VertexReader

Throws:

IOException

InterruptedException

getCurrentVertex

public org.apache.giraph.graph.Vertex getCurrentVertex()
                                                throws IOException,
                                                       InterruptedException

Specified by:

getCurrentVertex in class org.apache.giraph.io.VertexReader

Throws:

IOException

InterruptedException

close

public void close()
           throws IOException

Specified by:

close in class org.apache.giraph.io.VertexReader

Throws:

IOException

getProgress

public float getProgress()
                  throws IOException,
                         InterruptedException

Specified by:

getProgress in class org.apache.giraph.io.VertexReader

Throws:

IOException

InterruptedException