public static class AggregateWordHistogram.AggregateWordHistogramPlugin
extends org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
Constructor and Description |
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AggregateWordHistogram.AggregateWordHistogramPlugin() |
Modifier and Type | Method and Description |
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ArrayList<Map.Entry<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>> |
generateKeyValPairs(Object key,
Object val)
Parse the given value, generate an aggregation-id/value pair per word.
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public AggregateWordHistogram.AggregateWordHistogramPlugin()
public ArrayList<Map.Entry<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>> generateKeyValPairs(Object key, Object val)
generateKeyValPairs
in interface org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorDescriptor
generateKeyValPairs
in class org.apache.hadoop.mapreduce.lib.aggregate.ValueAggregatorBaseDescriptor
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