org.apache.mahout.cf.taste.hadoop.similarity.item
Class MostSimilarItemPairsMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,EntityEntityWritable,org.apache.hadoop.io.DoubleWritable>
org.apache.mahout.cf.taste.hadoop.similarity.item.MostSimilarItemPairsMapper
public final class MostSimilarItemPairsMapper
- extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,EntityEntityWritable,org.apache.hadoop.io.DoubleWritable>
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper |
org.apache.hadoop.mapreduce.Mapper.Context |
Method Summary |
protected void |
map(org.apache.hadoop.io.IntWritable itemIDIndexWritable,
VectorWritable similarityVector,
org.apache.hadoop.mapreduce.Mapper.Context ctx)
|
protected void |
setup(org.apache.hadoop.mapreduce.Mapper.Context ctx)
|
Methods inherited from class org.apache.hadoop.mapreduce.Mapper |
cleanup, run |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MostSimilarItemPairsMapper
public MostSimilarItemPairsMapper()
setup
protected void setup(org.apache.hadoop.mapreduce.Mapper.Context ctx)
- Overrides:
setup
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,EntityEntityWritable,org.apache.hadoop.io.DoubleWritable>
map
protected void map(org.apache.hadoop.io.IntWritable itemIDIndexWritable,
VectorWritable similarityVector,
org.apache.hadoop.mapreduce.Mapper.Context ctx)
throws java.io.IOException,
java.lang.InterruptedException
- Overrides:
map
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,EntityEntityWritable,org.apache.hadoop.io.DoubleWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException
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