org.apache.mahout.cf.taste.hadoop.item
Class RecommenderMapper
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.mahout.cf.taste.hadoop.item.RecommenderMapper
- All Implemented Interfaces:
- java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>
public final class RecommenderMapper
- extends org.apache.hadoop.mapred.MapReduceBase
- implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>
Method Summary |
void |
close()
|
void |
configure(org.apache.hadoop.mapred.JobConf jobConf)
|
void |
map(org.apache.hadoop.io.LongWritable userID,
VectorWritable vectorWritable,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.LongWritable,RecommendedItemsWritable> output,
org.apache.hadoop.mapred.Reporter reporter)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
RecommenderMapper
public RecommenderMapper()
configure
public void configure(org.apache.hadoop.mapred.JobConf jobConf)
- Specified by:
configure
in interface org.apache.hadoop.mapred.JobConfigurable
- Overrides:
configure
in class org.apache.hadoop.mapred.MapReduceBase
map
public void map(org.apache.hadoop.io.LongWritable userID,
VectorWritable vectorWritable,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.LongWritable,RecommendedItemsWritable> output,
org.apache.hadoop.mapred.Reporter reporter)
throws java.io.IOException
- Specified by:
map
in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,VectorWritable,org.apache.hadoop.io.LongWritable,RecommendedItemsWritable>
- Throws:
java.io.IOException
close
public void close()
- Specified by:
close
in interface java.io.Closeable
- Overrides:
close
in class org.apache.hadoop.mapred.MapReduceBase
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