org.apache.mahout.math.hadoop
Class MatrixMultiplicationJob.MatrixMultiplicationReducer
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.mahout.math.hadoop.MatrixMultiplicationJob.MatrixMultiplicationReducer
- All Implemented Interfaces:
- Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
- Enclosing class:
- MatrixMultiplicationJob
public static class MatrixMultiplicationJob.MatrixMultiplicationReducer
- extends org.apache.hadoop.mapred.MapReduceBase
- implements org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Method Summary |
void |
reduce(org.apache.hadoop.io.IntWritable rowNum,
Iterator<VectorWritable> it,
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, 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 |
MatrixMultiplicationJob.MatrixMultiplicationReducer
public MatrixMultiplicationJob.MatrixMultiplicationReducer()
reduce
public void reduce(org.apache.hadoop.io.IntWritable rowNum,
Iterator<VectorWritable> it,
org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.IntWritable,VectorWritable> out,
org.apache.hadoop.mapred.Reporter reporter)
throws IOException
- Specified by:
reduce
in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
- Throws:
IOException
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