org.apache.mahout.cf.taste.hadoop.als
Class SolveImplicitFeedbackMapper
java.lang.Object
org.apache.hadoop.mapreduce.Mapper<K1,V1,K2,V2>
org.apache.mahout.cf.taste.hadoop.als.SharingMapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable,ImplicitFeedbackAlternatingLeastSquaresSolver>
org.apache.mahout.cf.taste.hadoop.als.SolveImplicitFeedbackMapper
public class SolveImplicitFeedbackMapper
- extends SharingMapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable,ImplicitFeedbackAlternatingLeastSquaresSolver>
Solving mapper that can be safely executed using multiple threads
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 userOrItemID,
VectorWritable ratingsWritable,
org.apache.hadoop.mapreduce.Mapper.Context ctx)
|
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 |
SolveImplicitFeedbackMapper
public SolveImplicitFeedbackMapper()
map
protected void map(org.apache.hadoop.io.IntWritable userOrItemID,
VectorWritable ratingsWritable,
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.IntWritable,VectorWritable>
- Throws:
IOException
InterruptedException
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