org.apache.mahout.cf.taste.hadoop.item
Class ItemIDIndexReducer
java.lang.Object
org.apache.hadoop.mapreduce.Reducer<VarIntWritable,VarLongWritable,VarIntWritable,VarLongWritable>
org.apache.mahout.cf.taste.hadoop.item.ItemIDIndexReducer
public final class ItemIDIndexReducer
- extends org.apache.hadoop.mapreduce.Reducer<VarIntWritable,VarLongWritable,VarIntWritable,VarLongWritable>
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 |
ItemIDIndexReducer
public ItemIDIndexReducer()
reduce
protected void reduce(VarIntWritable index,
Iterable<VarLongWritable> possibleItemIDs,
org.apache.hadoop.mapreduce.Reducer.Context context)
throws IOException,
InterruptedException
- Overrides:
reduce
in class org.apache.hadoop.mapreduce.Reducer<VarIntWritable,VarLongWritable,VarIntWritable,VarLongWritable>
- Throws:
IOException
InterruptedException
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