com.thinkaurelius.titan.hadoop.formats.noop

Class NoOpOutputFormat

java.lang.Object

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

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<org.apache.hadoop.io.NullWritable,FaunusVertex>

com.thinkaurelius.titan.hadoop.formats.noop.NoOpOutputFormat

Direct Known Subclasses:

TitanOutputFormat

public class NoOpOutputFormat
extends org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<org.apache.hadoop.io.NullWritable,FaunusVertex>

Use NoOpOutputFormat to ensure that sideeffect data is outputted, but not graph data.

Author:

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

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

BASE_OUTPUT_NAME, COMPRESS, COMPRESS_CODEC, COMPRESS_TYPE, OUTDIR, PART

Constructor Summary

Constructors

Constructor and Description
NoOpOutputFormat()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordWriter<org.apache.hadoop.io.NullWritable,FaunusVertex>	getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext job)

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

NoOpOutputFormat

public NoOpOutputFormat()

Method Detail

getRecordWriter

public final org.apache.hadoop.mapreduce.RecordWriter<org.apache.hadoop.io.NullWritable,FaunusVertex> getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext job)
                                                                                                               throws IOException,
                                                                                                                      InterruptedException

Specified by:

getRecordWriter in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<org.apache.hadoop.io.NullWritable,FaunusVertex>

Throws:

IOException

InterruptedException