org.apache.lucene.search.similar

Class MoreLikeThisQuery

java.lang.Object

org.apache.lucene.search.Query

org.apache.lucene.search.similar.MoreLikeThisQuery

All Implemented Interfaces:

Serializable, Cloneable

public class MoreLikeThisQuery
extends Query

A simple wrapper for MoreLikeThis for use in scenarios where a Query object is required eg in custom QueryParser extensions. At query.rewrite() time the reader is used to construct the actual MoreLikeThis object and obtain the real Query object.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MoreLikeThisQuery(String likeText, String[] moreLikeFields, Analyzer analyzer)

Method Summary

Methods

Modifier and Type	Method and Description
Analyzer	getAnalyzer()
String	getLikeText()
int	getMaxQueryTerms()
int	getMinDocFreq()
int	getMinTermFrequency()
String[]	getMoreLikeFields()
float	getPercentTermsToMatch()
Set	getStopWords()
Query	rewrite(IndexReader reader)
void	setAnalyzer(Analyzer analyzer)
void	setLikeText(String likeText)
void	setMaxQueryTerms(int maxQueryTerms)
void	setMinDocFreq(int minDocFreq)
void	setMinTermFrequency(int minTermFrequency)
void	setMoreLikeFields(String[] moreLikeFields)
void	setPercentTermsToMatch(float percentTermsToMatch)
void	setStopWords(Set stopWords)
String	toString(String field)

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

clone, combine, createWeight, extractTerms, getBoost, getSimilarity, mergeBooleanQueries, setBoost, toString, weight

Methods inherited from class java.lang.Object

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

Constructor Detail

MoreLikeThisQuery

public MoreLikeThisQuery(String likeText,
                 String[] moreLikeFields,
                 Analyzer analyzer)

Parameters:

moreLikeFields -

Method Detail

rewrite

public Query rewrite(IndexReader reader)
              throws IOException

Overrides:

rewrite in class Query

Throws:

IOException

toString

public String toString(String field)

Specified by:

toString in class Query

getPercentTermsToMatch

public float getPercentTermsToMatch()

setPercentTermsToMatch

public void setPercentTermsToMatch(float percentTermsToMatch)

getAnalyzer

public Analyzer getAnalyzer()

setAnalyzer

public void setAnalyzer(Analyzer analyzer)

getLikeText

public String getLikeText()

setLikeText

public void setLikeText(String likeText)

getMaxQueryTerms

public int getMaxQueryTerms()

setMaxQueryTerms

public void setMaxQueryTerms(int maxQueryTerms)

getMinTermFrequency

public int getMinTermFrequency()

setMinTermFrequency

public void setMinTermFrequency(int minTermFrequency)

getMoreLikeFields

public String[] getMoreLikeFields()

setMoreLikeFields

public void setMoreLikeFields(String[] moreLikeFields)

getStopWords

public Set getStopWords()

setStopWords

public void setStopWords(Set stopWords)

getMinDocFreq

public int getMinDocFreq()

setMinDocFreq

public void setMinDocFreq(int minDocFreq)