org.apache.mahout.math.hadoop.similarity.cooccurrence
Class RowSimilarityJob.CountObservationsMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.NullWritable,VectorWritable>
org.apache.mahout.math.hadoop.similarity.cooccurrence.RowSimilarityJob.CountObservationsMapper
- Enclosing class:
- RowSimilarityJob
public static class RowSimilarityJob.CountObservationsMapper
- extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.NullWritable,VectorWritable>
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper |
org.apache.hadoop.mapreduce.Mapper.Context |
Method Summary |
protected void |
cleanup(org.apache.hadoop.mapreduce.Mapper.Context ctx)
|
protected void |
map(org.apache.hadoop.io.IntWritable rowIndex,
VectorWritable rowVectorWritable,
org.apache.hadoop.mapreduce.Mapper.Context ctx)
|
Methods inherited from class org.apache.hadoop.mapreduce.Mapper |
run, setup |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
RowSimilarityJob.CountObservationsMapper
public RowSimilarityJob.CountObservationsMapper()
map
protected void map(org.apache.hadoop.io.IntWritable rowIndex,
VectorWritable rowVectorWritable,
org.apache.hadoop.mapreduce.Mapper.Context ctx)
throws IOException,
InterruptedException
- Overrides:
map
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.NullWritable,VectorWritable>
- Throws:
IOException
InterruptedException
cleanup
protected void cleanup(org.apache.hadoop.mapreduce.Mapper.Context ctx)
throws IOException,
InterruptedException
- Overrides:
cleanup
in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.NullWritable,VectorWritable>
- Throws:
IOException
InterruptedException
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