org.apache.solr.analytics.statistics

Class PercentileStatsCollector

java.lang.Object

org.apache.solr.analytics.statistics.AbstractDelegatingStatsCollector

org.apache.solr.analytics.statistics.PercentileStatsCollector

All Implemented Interfaces:

StatsCollector

public class PercentileStatsCollector
extends AbstractDelegatingStatsCollector

PercentileStatsCollector computes a given list of percentiles.

Field Summary

Fields

Modifier and Type	Field and Description
static Pattern	PERCENTILE_PATTERN
protected String[]	percentileNames
protected double[]	percentiles
protected Comparable[]	results
List<Comparable>	values

Fields inherited from class org.apache.solr.analytics.statistics.AbstractDelegatingStatsCollector

delegate, statsList

Constructor Summary

Constructors

Constructor and Description
PercentileStatsCollector(StatsCollector delegate, double[] percentiles, String[] percentileNames)

Method Summary

Modifier and Type	Method and Description
void	collect(int doc) Collect values from the value source and add to statistics.
void	compute() After all documents have been collected, this method should be called to finalize the calculations of each statistic.
protected List<Comparable>	getPercentiles()
Comparable	getStat(String stat) Return the value of the given statistic.

Methods inherited from class org.apache.solr.analytics.statistics.AbstractDelegatingStatsCollector

delegate, getFunction, getStatsList, getValue, setNextReader, valueSourceString

Methods inherited from class java.lang.Object

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

Field Detail

values

public final List<Comparable> values

PERCENTILE_PATTERN

public static final Pattern PERCENTILE_PATTERN

percentiles

protected final double[] percentiles

percentileNames

protected final String[] percentileNames

results

protected Comparable[] results

Constructor Detail

PercentileStatsCollector

public PercentileStatsCollector(StatsCollector delegate,
                                double[] percentiles,
                                String[] percentileNames)

Method Detail

getStat

public Comparable getStat(String stat)

Description copied from interface: StatsCollector

Return the value of the given statistic.

Parameters:

stat - the stat

Returns:

a comparable

compute

public void compute()

Description copied from interface: StatsCollector

After all documents have been collected, this method should be called to finalize the calculations of each statistic.

getPercentiles

protected List<Comparable> getPercentiles()

collect

public void collect(int doc)

Description copied from interface: StatsCollector

Collect values from the value source and add to statistics.

Specified by:

collect in interface StatsCollector

Overrides:

collect in class AbstractDelegatingStatsCollector

Parameters:

doc - Document to collect from