org.apache.lucene.queries

Class ExtendedCommonTermsQuery

java.lang.Object

org.apache.lucene.search.Query

org.apache.lucene.queries.CommonTermsQuery

org.apache.lucene.queries.ExtendedCommonTermsQuery

All Implemented Interfaces:

Cloneable

public class ExtendedCommonTermsQuery
extends org.apache.lucene.queries.CommonTermsQuery

Extended version of CommonTermsQuery that allows to pass in a minimumNumberShouldMatch specification that uses the actual num of high frequent terms to calculate the minimum matching terms.

Field Summary

Fields inherited from class org.apache.lucene.queries.CommonTermsQuery

disableCoord, highFreqBoost, highFreqMinNrShouldMatch, highFreqOccur, lowFreqBoost, lowFreqMinNrShouldMatch, lowFreqOccur, maxTermFrequency, terms

Constructor Summary

Constructors

Constructor and Description
ExtendedCommonTermsQuery(org.apache.lucene.search.BooleanClause.Occur highFreqOccur, org.apache.lucene.search.BooleanClause.Occur lowFreqOccur, float maxTermFrequency, boolean disableCoord, MappedFieldType fieldType)

Method Summary

Methods

Modifier and Type	Method and Description
protected int	calcHighFreqMinimumNumberShouldMatch(int numOptional)
protected int	calcLowFreqMinimumNumberShouldMatch(int numOptional)
protected int	calcMinimumNumberShouldMatch(String spec, int numOptional)
String	getHighFreqMinimumNumberShouldMatchSpec()
String	getLowFreqMinimumNumberShouldMatchSpec()
protected org.apache.lucene.search.Query	newTermQuery(org.apache.lucene.index.Term term, org.apache.lucene.index.TermContext context)
void	setHighFreqMinimumNumberShouldMatch(String spec)
void	setLowFreqMinimumNumberShouldMatch(String spec)

Methods inherited from class org.apache.lucene.queries.CommonTermsQuery

add, buildQuery, collectTermContext, equals, getHighFreqMinimumNumberShouldMatch, getLowFreqMinimumNumberShouldMatch, hashCode, isCoordDisabled, rewrite, setHighFreqMinimumNumberShouldMatch, setLowFreqMinimumNumberShouldMatch, toString

Methods inherited from class org.apache.lucene.search.Query

clone, createWeight, getBoost, setBoost, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ExtendedCommonTermsQuery

public ExtendedCommonTermsQuery(org.apache.lucene.search.BooleanClause.Occur highFreqOccur,
                        org.apache.lucene.search.BooleanClause.Occur lowFreqOccur,
                        float maxTermFrequency,
                        boolean disableCoord,
                        MappedFieldType fieldType)

Method Detail

calcLowFreqMinimumNumberShouldMatch

protected int calcLowFreqMinimumNumberShouldMatch(int numOptional)

Overrides:

calcLowFreqMinimumNumberShouldMatch in class org.apache.lucene.queries.CommonTermsQuery

calcMinimumNumberShouldMatch

protected int calcMinimumNumberShouldMatch(String spec,
                               int numOptional)

calcHighFreqMinimumNumberShouldMatch

protected int calcHighFreqMinimumNumberShouldMatch(int numOptional)

Overrides:

calcHighFreqMinimumNumberShouldMatch in class org.apache.lucene.queries.CommonTermsQuery

setHighFreqMinimumNumberShouldMatch

public void setHighFreqMinimumNumberShouldMatch(String spec)

getHighFreqMinimumNumberShouldMatchSpec

public String getHighFreqMinimumNumberShouldMatchSpec()

setLowFreqMinimumNumberShouldMatch

public void setLowFreqMinimumNumberShouldMatch(String spec)

getLowFreqMinimumNumberShouldMatchSpec

public String getLowFreqMinimumNumberShouldMatchSpec()

newTermQuery

protected org.apache.lucene.search.Query newTermQuery(org.apache.lucene.index.Term term,
                                          org.apache.lucene.index.TermContext context)

Overrides:

newTermQuery in class org.apache.lucene.queries.CommonTermsQuery