org.apache.mahout.utils.vectors.text.term
Class TermDocumentCountMapper
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
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
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 |
TermDocumentCountMapper
public TermDocumentCountMapper()
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
Copyright © 2008-2010 The Apache Software Foundation. All Rights Reserved.