org.apache.solr.handler.component

Class StringStatsValues

java.lang.Object

org.apache.solr.handler.component.AbstractStatsValues<java.lang.String>

org.apache.solr.handler.component.StringStatsValues

All Implemented Interfaces:

StatsValues

class StringStatsValues
extends AbstractStatsValues<java.lang.String>

Implementation of StatsValues that supports String values

Field Summary

Fields inherited from class org.apache.solr.handler.component.AbstractStatsValues

count, facets, fieldType, max, min, missing

Constructor Summary

Constructors

Constructor and Description
StringStatsValues(FieldType fieldType)

Method Summary

Modifier and Type	Method and Description
protected void	addTypeSpecificStats(NamedList<java.lang.Object> res) Adds no type specific statistics
private static java.lang.String	max(java.lang.String str1, java.lang.String str2) Determines which of the given Strings is the maximum, as computed by String.compareTo(Object)
private static java.lang.String	min(java.lang.String str1, java.lang.String str2) Determines which of the given Strings is the minimum, as computed by String.compareTo(Object)
protected java.lang.String	toTypedValue(java.lang.String value) Converts the String value to a value associated with the specific StatsValues implementation
protected void	updateMinMax(java.lang.String min, java.lang.String max) Updates the minimum and maximum statistics based on the given values
protected void	updateTypeSpecificStats(NamedList stv) Updates the type specific statistics based on the values in the given list
protected void	updateTypeSpecificStats(java.lang.String value) Updates the type specific statistics based on the given value
protected void	updateTypeSpecificStats(java.lang.String value, int count) Updates the type specific statistics based on the given value

Methods inherited from class org.apache.solr.handler.component.AbstractStatsValues

accumulate, accumulate, accumulate, addFacet, addMissing, getStatsValues, missing

Methods inherited from class java.lang.Object

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

Constructor Detail

StringStatsValues

public StringStatsValues(FieldType fieldType)

Method Detail

updateTypeSpecificStats

protected void updateTypeSpecificStats(NamedList stv)

Updates the type specific statistics based on the values in the given list

Specified by:

updateTypeSpecificStats in class AbstractStatsValues<java.lang.String>

Parameters:

stv - List containing values the current statistics should be updated against

updateTypeSpecificStats

protected void updateTypeSpecificStats(java.lang.String value)

Updates the type specific statistics based on the given value

Specified by:

updateTypeSpecificStats in class AbstractStatsValues<java.lang.String>

Parameters:

value - Value the statistics should be updated against

updateTypeSpecificStats

protected void updateTypeSpecificStats(java.lang.String value,
                                       int count)

Updates the type specific statistics based on the given value

Specified by:

updateTypeSpecificStats in class AbstractStatsValues<java.lang.String>

Parameters:

value - Value the statistics should be updated against

count - Number of times the value is being accumulated

updateMinMax

protected void updateMinMax(java.lang.String min,
                            java.lang.String max)

Updates the minimum and maximum statistics based on the given values

Specified by:

updateMinMax in class AbstractStatsValues<java.lang.String>

Parameters:

min - Value that the current minimum should be updated against

max - Value that the current maximum should be updated against

toTypedValue

protected java.lang.String toTypedValue(java.lang.String value)

Converts the String value to a value associated with the specific StatsValues implementation

Specified by:

toTypedValue in class AbstractStatsValues<java.lang.String>

Parameters:

value - String value to convert

Returns:

Value converted to a type associated with the specific implementation

addTypeSpecificStats

protected void addTypeSpecificStats(NamedList<java.lang.Object> res)

Adds no type specific statistics

Specified by:

addTypeSpecificStats in class AbstractStatsValues<java.lang.String>

Parameters:

res - NamedList to add the type specific statistics too

max

private static java.lang.String max(java.lang.String str1,
                                    java.lang.String str2)

Determines which of the given Strings is the maximum, as computed by String.compareTo(Object)

Parameters:

str1 - String to compare against b

str2 - String compared against a

Returns:

str1 if it is considered greater by String.compareTo(Object), str2 otherwise

min

private static java.lang.String min(java.lang.String str1,
                                    java.lang.String str2)

Determines which of the given Strings is the minimum, as computed by String.compareTo(Object)

Parameters:

str1 - String to compare against b

str2 - String compared against a

Returns:

str1 if it is considered less by String.compareTo(Object), str2 otherwise