org.apache.jena.hadoop.rdf.io.output

Class AbstractNodeOutputFormat<TValue>

java.lang.Object

org.apache.hadoop.mapreduce.OutputFormat<K,V>

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<NodeWritable,TValue>

org.apache.jena.hadoop.rdf.io.output.AbstractNodeOutputFormat<TValue>

Type Parameters:

TValue - Value type

Direct Known Subclasses:

NTriplesNodeOutputFormat

public abstract class AbstractNodeOutputFormat<TValue>
extends org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<NodeWritable,TValue>

Abstract output format which takes pairs with Node keys and arbitrary values and writes them as a simple line based text file

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.Counter

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

COMPRESS, COMPRESS_CODEC, COMPRESS_TYPE, OUTDIR

Constructor Summary

Constructors

Constructor and Description
AbstractNodeOutputFormat()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordWriter<NodeWritable,TValue>	getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)

Methods inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

checkOutputSpecs, getCompressOutput, getDefaultWorkFile, getOutputCommitter, getOutputCompressorClass, getOutputPath, getPathForWorkFile, getUniqueFile, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputPath

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractNodeOutputFormat

public AbstractNodeOutputFormat()

Method Detail

getRecordWriter

public org.apache.hadoop.mapreduce.RecordWriter<NodeWritable,TValue> getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                              throws IOException

Specified by:

getRecordWriter in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<NodeWritable,TValue>

Throws:

IOException