org.apache.mahout.utils.vectors.text.term
Class TermDocumentCountMapper

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by org.apache.mahout.utils.vectors.text.term.TermDocumentCountMapper
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.LongWritable>

public class TermDocumentCountMapper
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.LongWritable>

TextVectorizer Document Frequency Count Mapper. Outputs 1 for each feature


Constructor Summary
TermDocumentCountMapper()
           
 
Method Summary
 void map(org.apache.hadoop.io.WritableComparable<?> key, VectorWritable value, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.LongWritable> output, org.apache.hadoop.mapred.Reporter reporter)
           
 
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase
close, configure
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable
configure
 
Methods inherited from interface java.io.Closeable
close
 

Constructor Detail

TermDocumentCountMapper

public TermDocumentCountMapper()
Method Detail

map

public void map(org.apache.hadoop.io.WritableComparable<?> key,
                VectorWritable value,
                org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.LongWritable> output,
                org.apache.hadoop.mapred.Reporter reporter)
         throws java.io.IOException
Specified by:
map in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.LongWritable>
Throws:
java.io.IOException


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