org.apache.mahout.math.hadoop.similarity
Class RowSimilarityJob.CooccurrencesMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<VarIntWritable,org.apache.mahout.math.hadoop.similarity.WeightedOccurrenceArray,WeightedRowPair,Cooccurrence>
org.apache.mahout.math.hadoop.similarity.RowSimilarityJob.CooccurrencesMapper
- Enclosing class:
- RowSimilarityJob
public static class RowSimilarityJob.CooccurrencesMapper
- extends org.apache.hadoop.mapreduce.Mapper<VarIntWritable,org.apache.mahout.math.hadoop.similarity.WeightedOccurrenceArray,WeightedRowPair,Cooccurrence>
maps all pairs of weighted entries of a column vector
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper |
org.apache.hadoop.mapreduce.Mapper.Context |
Methods inherited from class org.apache.hadoop.mapreduce.Mapper |
cleanup, run, setup |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
RowSimilarityJob.CooccurrencesMapper
public RowSimilarityJob.CooccurrencesMapper()
map
protected void map(VarIntWritable column,
org.apache.mahout.math.hadoop.similarity.WeightedOccurrenceArray weightedOccurrenceArray,
org.apache.hadoop.mapreduce.Mapper.Context ctx)
throws IOException,
InterruptedException
- Overrides:
map
in class org.apache.hadoop.mapreduce.Mapper<VarIntWritable,org.apache.mahout.math.hadoop.similarity.WeightedOccurrenceArray,WeightedRowPair,Cooccurrence>
- Throws:
IOException
InterruptedException
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