org.apache.giraph.examples

Class LongDoubleFloatTextInputFormat.LongDoubleFloatVertexReader

java.lang.Object

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

org.apache.giraph.worker.WorkerAggregatorDelegator<I,V,E>

org.apache.giraph.io.VertexReader<I,V,E>

org.apache.giraph.io.formats.TextVertexInputFormat.TextVertexReader

org.apache.giraph.examples.LongDoubleFloatTextInputFormat.LongDoubleFloatVertexReader

All Implemented Interfaces:

AggregatorUsage, GiraphConfigurationSettable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>, ImmutableClassesGiraphConfigurable<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>, WorkerAggregatorUsage, WorkerBroadcastUsage, WorkerGlobalCommUsage, WorkerReduceUsage

Enclosing class:

LongDoubleFloatTextInputFormat

public class LongDoubleFloatTextInputFormat.LongDoubleFloatVertexReader
extends TextVertexInputFormat.TextVertexReader

Vertex reader associated with LongDoubleDoubleTextInputFormat.

Constructor Summary

Constructors

Constructor and Description
LongDoubleFloatVertexReader()

Method Summary

Modifier and Type	Method and Description
Vertex<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>	getCurrentVertex() Get the current vertex.
boolean	nextVertex()

Methods inherited from class org.apache.giraph.io.formats.TextVertexInputFormat.TextVertexReader

close, createLineRecordReader, getContext, getProgress, getRecordReader, initialize

Methods inherited from class org.apache.giraph.worker.WorkerAggregatorDelegator

aggregate, getAggregatedValue, getBroadcast, reduce, reduceMerge, setWorkerGlobalCommUsage

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

LongDoubleFloatVertexReader

public LongDoubleFloatVertexReader()

Method Detail

getCurrentVertex

public Vertex<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable> getCurrentVertex()
                                                                                                                                  throws IOException,
                                                                                                                                         InterruptedException

Description copied from class: VertexReader

Get the current vertex.

Specified by:

getCurrentVertex in class VertexReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

Returns:

the current vertex which has been read. nextVertex() should be called first.

Throws:

IOException

InterruptedException

nextVertex

public boolean nextVertex()
                   throws IOException,
                          InterruptedException

Specified by:

nextVertex in class VertexReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.FloatWritable>

Returns:

false iff there are no more vertices

Throws:

IOException

InterruptedException