org.apache.mahout.math.hadoop
Class TransposeJob.TransposeMapper
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.mahout.math.hadoop.TransposeJob.TransposeMapper
- All Implemented Interfaces:
- Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,DistributedRowMatrix.MatrixEntryWritable>
- Enclosing class:
- TransposeJob
public static class TransposeJob.TransposeMapper
- extends org.apache.hadoop.mapred.MapReduceBase
- implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,DistributedRowMatrix.MatrixEntryWritable>
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase |
close, configure |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable |
configure |
TransposeJob.TransposeMapper
public TransposeJob.TransposeMapper()
map
public void map(org.apache.hadoop.io.IntWritable r,
VectorWritable v,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,DistributedRowMatrix.MatrixEntryWritable> out,
org.apache.hadoop.mapred.Reporter reporter)
throws IOException
- Specified by:
map
in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,DistributedRowMatrix.MatrixEntryWritable>
- Throws:
IOException
Copyright © 2008-2011 The Apache Software Foundation. All Rights Reserved.