public class EntryLengthSummarizer extends Object implements Summarizer
Summarizer.Collector, Summarizer.Combiner, Summarizer.StatisticConsumer
Constructor and Description |
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EntryLengthSummarizer() |
Modifier and Type | Method and Description |
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Summarizer.Collector |
collector(SummarizerConfiguration sc)
Factory method that creates a
Summarizer.Collector based on configuration. |
Summarizer.Combiner |
combiner(SummarizerConfiguration sc)
Factory method that creates a
Summarizer.Combiner . |
public Summarizer.Collector collector(SummarizerConfiguration sc)
Summarizer
Summarizer.Collector
based on configuration. Each Summarizer.Collector
created by this method should be independent and have its own internal state. Accumulo uses a
Collector to generate summary statistics about a sequence of key values written to a file.collector
in interface Summarizer
public Summarizer.Combiner combiner(SummarizerConfiguration sc)
Summarizer
Summarizer.Combiner
. Accumulo will only use the created Combiner to
merge data from Summarizer.Collector
s created using the same SummarizerConfiguration
.combiner
in interface Summarizer
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