public static class BtJob.OuterProductCombiner extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Writable,SparseRowBlockWritable,org.apache.hadoop.io.Writable,SparseRowBlockWritable>
Modifier and Type | Field and Description |
---|---|
protected SparseRowBlockWritable |
accum |
protected int |
blockHeight |
protected Deque<Closeable> |
closeables |
Constructor and Description |
---|
OuterProductCombiner() |
Modifier and Type | Method and Description |
---|---|
protected void |
cleanup(org.apache.hadoop.mapreduce.Reducer.Context context) |
protected void |
reduce(org.apache.hadoop.io.Writable key,
Iterable<SparseRowBlockWritable> values,
org.apache.hadoop.mapreduce.Reducer.Context context) |
protected void |
setup(org.apache.hadoop.mapreduce.Reducer.Context context) |
protected final SparseRowBlockWritable accum
protected int blockHeight
protected void setup(org.apache.hadoop.mapreduce.Reducer.Context context) throws IOException, InterruptedException
setup
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Writable,SparseRowBlockWritable,org.apache.hadoop.io.Writable,SparseRowBlockWritable>
IOException
InterruptedException
protected void reduce(org.apache.hadoop.io.Writable key, Iterable<SparseRowBlockWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context) throws IOException, InterruptedException
reduce
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Writable,SparseRowBlockWritable,org.apache.hadoop.io.Writable,SparseRowBlockWritable>
IOException
InterruptedException
protected void cleanup(org.apache.hadoop.mapreduce.Reducer.Context context) throws IOException, InterruptedException
cleanup
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Writable,SparseRowBlockWritable,org.apache.hadoop.io.Writable,SparseRowBlockWritable>
IOException
InterruptedException
Copyright © 2008–2017 The Apache Software Foundation. All rights reserved.