org.apache.mahout.cf.taste.hadoop.item
Class RecommenderMapper

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by org.apache.mahout.cf.taste.hadoop.item.RecommenderMapper
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>

public final class RecommenderMapper
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>


Constructor Summary
RecommenderMapper()
           
 
Method Summary
 void close()
           
 void configure(org.apache.hadoop.mapred.JobConf jobConf)
           
 void map(org.apache.hadoop.io.LongWritable userID, VectorWritable vectorWritable, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.LongWritable,RecommendedItemsWritable> output, org.apache.hadoop.mapred.Reporter reporter)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

RecommenderMapper

public RecommenderMapper()
Method Detail

configure

public void configure(org.apache.hadoop.mapred.JobConf jobConf)
Specified by:
configure in interface org.apache.hadoop.mapred.JobConfigurable
Overrides:
configure in class org.apache.hadoop.mapred.MapReduceBase

map

public void map(org.apache.hadoop.io.LongWritable userID,
                VectorWritable vectorWritable,
                org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.LongWritable,RecommendedItemsWritable> 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.LongWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>
Throws:
java.io.IOException

close

public void close()
Specified by:
close in interface java.io.Closeable
Overrides:
close in class org.apache.hadoop.mapred.MapReduceBase


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