org.apache.mahout.classifier.bayes.mapreduce.common
Class BayesTfIdfOutputFormat

java.lang.Object
  extended by org.apache.hadoop.mapred.FileOutputFormat<K,V>
      extended by org.apache.hadoop.mapred.lib.MultipleOutputFormat<org.apache.hadoop.io.WritableComparable<?>,org.apache.hadoop.io.Writable>
          extended by org.apache.mahout.classifier.bayes.mapreduce.common.BayesTfIdfOutputFormat
All Implemented Interfaces:
org.apache.hadoop.mapred.OutputFormat<org.apache.hadoop.io.WritableComparable<?>,org.apache.hadoop.io.Writable>

public class BayesTfIdfOutputFormat
extends org.apache.hadoop.mapred.lib.MultipleOutputFormat<org.apache.hadoop.io.WritableComparable<?>,org.apache.hadoop.io.Writable>

This class extends the MultipleOutputFormat, allowing to write the output data to different output files in sequence file output format.


Constructor Summary
BayesTfIdfOutputFormat()
           
 
Method Summary
protected  java.lang.String generateFileNameForKeyValue(org.apache.hadoop.io.WritableComparable<?> k, org.apache.hadoop.io.Writable v, java.lang.String name)
           
protected  org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.io.WritableComparable<?>,org.apache.hadoop.io.Writable> getBaseRecordWriter(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.mapred.JobConf job, java.lang.String name, org.apache.hadoop.util.Progressable arg3)
           
 
Methods inherited from class org.apache.hadoop.mapred.lib.MultipleOutputFormat
generateActualKey, generateActualValue, generateLeafFileName, getInputFileBasedOutputFileName, getRecordWriter
 
Methods inherited from class org.apache.hadoop.mapred.FileOutputFormat
checkOutputSpecs, getCompressOutput, getOutputCompressorClass, getOutputPath, getPathForCustomFile, getTaskOutputPath, getUniqueName, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputPath
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

BayesTfIdfOutputFormat

public BayesTfIdfOutputFormat()
Method Detail

getBaseRecordWriter

protected org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.io.WritableComparable<?>,org.apache.hadoop.io.Writable> getBaseRecordWriter(org.apache.hadoop.fs.FileSystem fs,
                                                                                                                                              org.apache.hadoop.mapred.JobConf job,
                                                                                                                                              java.lang.String name,
                                                                                                                                              org.apache.hadoop.util.Progressable arg3)
                                                                                                                                       throws java.io.IOException
Specified by:
getBaseRecordWriter in class org.apache.hadoop.mapred.lib.MultipleOutputFormat<org.apache.hadoop.io.WritableComparable<?>,org.apache.hadoop.io.Writable>
Throws:
java.io.IOException

generateFileNameForKeyValue

protected java.lang.String generateFileNameForKeyValue(org.apache.hadoop.io.WritableComparable<?> k,
                                                       org.apache.hadoop.io.Writable v,
                                                       java.lang.String name)
Overrides:
generateFileNameForKeyValue in class org.apache.hadoop.mapred.lib.MultipleOutputFormat<org.apache.hadoop.io.WritableComparable<?>,org.apache.hadoop.io.Writable>


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