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java.lang.Objectorg.apache.hadoop.mapreduce.Reducer<Key,IntWritable,Key,IntWritable>
org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer<Key>
public class IntSumReducer<Key>
Nested Class Summary |
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Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer |
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Reducer.Context |
Constructor Summary | |
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IntSumReducer()
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Method Summary | |
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void |
reduce(Key key,
java.lang.Iterable<IntWritable> values,
Reducer.Context context)
This method is called once for each key. |
Methods inherited from class org.apache.hadoop.mapreduce.Reducer |
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cleanup, run, setup |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public IntSumReducer()
Method Detail |
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public void reduce(Key key, java.lang.Iterable<IntWritable> values, Reducer.Context context) throws java.io.IOException, java.lang.InterruptedException
Reducer
reduce
in class Reducer<Key,IntWritable,Key,IntWritable>
java.io.IOException
java.lang.InterruptedException
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