org.apache.mahout.math.hadoop
Class MatrixMultiplicationJob.MatrixMultiplyMapper
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.mahout.math.hadoop.MatrixMultiplicationJob.MatrixMultiplyMapper
- All Implemented Interfaces:
- Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.IntWritable,org.apache.hadoop.mapred.join.TupleWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
- Enclosing class:
- MatrixMultiplicationJob
public static class MatrixMultiplicationJob.MatrixMultiplyMapper
- extends org.apache.hadoop.mapred.MapReduceBase
- implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.IntWritable,org.apache.hadoop.mapred.join.TupleWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Method Summary |
void |
configure(org.apache.hadoop.mapred.JobConf conf)
|
void |
map(org.apache.hadoop.io.IntWritable index,
org.apache.hadoop.mapred.join.TupleWritable v,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,VectorWritable> out,
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 |
MatrixMultiplicationJob.MatrixMultiplyMapper
public MatrixMultiplicationJob.MatrixMultiplyMapper()
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.IntWritable index,
org.apache.hadoop.mapred.join.TupleWritable v,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,VectorWritable> out,
org.apache.hadoop.mapred.Reporter reporter)
throws IOException
- Specified by:
map
in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.IntWritable,org.apache.hadoop.mapred.join.TupleWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
- Throws:
IOException
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