org.apache.mahout.cf.taste.hadoop.als
Class PredictionJob.JoinProbesWithItemFeaturesReducer
java.lang.Object
org.apache.hadoop.mapreduce.Reducer<TaggedVarIntWritable,VectorWithIndexWritable,TaggedVarIntWritable,VectorWithIndexWritable>
org.apache.mahout.cf.taste.hadoop.als.PredictionJob.JoinProbesWithItemFeaturesReducer
- Enclosing class:
- PredictionJob
public static class PredictionJob.JoinProbesWithItemFeaturesReducer
- extends org.apache.hadoop.mapreduce.Reducer<TaggedVarIntWritable,VectorWithIndexWritable,TaggedVarIntWritable,VectorWithIndexWritable>
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer |
org.apache.hadoop.mapreduce.Reducer.Context |
Methods inherited from class org.apache.hadoop.mapreduce.Reducer |
cleanup, run, setup |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
PredictionJob.JoinProbesWithItemFeaturesReducer
public PredictionJob.JoinProbesWithItemFeaturesReducer()
reduce
protected void reduce(TaggedVarIntWritable key,
Iterable<VectorWithIndexWritable> values,
org.apache.hadoop.mapreduce.Reducer.Context ctx)
throws IOException,
InterruptedException
- Overrides:
reduce
in class org.apache.hadoop.mapreduce.Reducer<TaggedVarIntWritable,VectorWithIndexWritable,TaggedVarIntWritable,VectorWithIndexWritable>
- Throws:
IOException
InterruptedException
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