org.apache.mahout.cf.taste.hadoop.cooccurence
Class UserItemJoiner.JoinUserMapper
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.mahout.cf.taste.hadoop.cooccurence.UserItemJoiner.JoinUserMapper
- All Implemented Interfaces:
- java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,Bigram,TupleWritable>
- Enclosing class:
- UserItemJoiner
public static class UserItemJoiner.JoinUserMapper
- extends org.apache.hadoop.mapred.MapReduceBase
- implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,Bigram,TupleWritable>
Method Summary |
void |
configure(org.apache.hadoop.mapred.JobConf conf)
|
void |
map(org.apache.hadoop.io.LongWritable lineNumber,
org.apache.hadoop.io.Text userPrefEntry,
org.apache.hadoop.mapred.OutputCollector<Bigram,TupleWritable> output,
org.apache.hadoop.mapred.Reporter reporter)
|
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase |
close |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface java.io.Closeable |
close |
UserItemJoiner.JoinUserMapper
public UserItemJoiner.JoinUserMapper()
configure
public void configure(org.apache.hadoop.mapred.JobConf conf)
- 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 lineNumber,
org.apache.hadoop.io.Text userPrefEntry,
org.apache.hadoop.mapred.OutputCollector<Bigram,TupleWritable> 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,org.apache.hadoop.io.Text,Bigram,TupleWritable>
- Throws:
java.io.IOException
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