org.apache.giraph.io.formats

Class JsonBase64VertexOutputFormat.JsonBase64VertexWriter

java.lang.Object

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

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

org.apache.giraph.io.formats.TextVertexOutputFormat.TextVertexWriter

org.apache.giraph.io.formats.TextVertexOutputFormat.TextVertexWriterToEachLine

org.apache.giraph.io.formats.JsonBase64VertexOutputFormat.JsonBase64VertexWriter

All Implemented Interfaces:

GiraphConfigurationSettable<I,V,E>, ImmutableClassesGiraphConfigurable<I,V,E>, SimpleVertexWriter<I,V,E>

Enclosing class:

JsonBase64VertexOutputFormat<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable>

protected class JsonBase64VertexOutputFormat.JsonBase64VertexWriter
extends TextVertexOutputFormat.TextVertexWriterToEachLine

Simple writer that supports JsonBase64VertexOutputFormat

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JsonBase64VertexWriter()

Method Summary

Modifier and Type	Method and Description
protected org.apache.hadoop.io.Text	convertVertexToLine(Vertex<I,V,E> vertex) Writes a line for the given vertex.

Methods inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat.TextVertexWriterToEachLine

writeVertex

Methods inherited from class org.apache.giraph.io.formats.TextVertexOutputFormat.TextVertexWriter

close, createLineRecordWriter, getContext, getRecordWriter, initialize

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

JsonBase64VertexWriter

protected JsonBase64VertexWriter()

Method Detail

convertVertexToLine

protected org.apache.hadoop.io.Text convertVertexToLine(Vertex<I,V,E> vertex)
                                                 throws IOException

Description copied from class: TextVertexOutputFormat.TextVertexWriterToEachLine

Writes a line for the given vertex.

Specified by:

convertVertexToLine in class TextVertexOutputFormat.TextVertexWriterToEachLine

Parameters:

vertex - the current vertex for writing

Returns:

the text line to be written

Throws:

IOException - exception that can be thrown while writing