Package org.apache.jackrabbit.oak.index.indexer.document.flatfile.analysis.modules

Class DistinctBinarySizeHistogram

java.lang.Object

org.apache.jackrabbit.oak.index.indexer.document.flatfile.analysis.modules.DistinctBinarySizeHistogram

All Implemented Interfaces:

StatsCollector

public class DistinctBinarySizeHistogram
extends java.lang.Object
implements StatsCollector

A histogram of distinct binaries. For each size range, we calculate the number of entries and number of distinct entries. The number of distinct entries is calculated using a set if the number of entries is smaller than 1024, or HyperLogLog otherwise.

Constructor Summary

Constructors

Constructor	Description
DistinctBinarySizeHistogram(int pathLevels)

Method Summary

Modifier and Type	Method	Description
void	add(NodeData node)	Collect data for this node.
void	end()	End collection.
java.util.List<java.lang.String>	getRecords()	Get the statistics in the form of a list of records.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DistinctBinarySizeHistogram

public DistinctBinarySizeHistogram(int pathLevels)

Method Detail

add

public void add(NodeData node)

Description copied from interface: StatsCollector

Collect data for this node.

Specified by:

add in interface StatsCollector

Parameters:

node - the node

end

public void end()

Description copied from interface: StatsCollector

End collection.

Specified by:

end in interface StatsCollector

getRecords

public java.util.List<java.lang.String> getRecords()

Description copied from interface: StatsCollector

Get the statistics in the form of a list of records.

Specified by:

getRecords in interface StatsCollector

Returns:

the results

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object