Package org.apache.lucene.queries.mlt
Class MoreLikeThisQuery
- java.lang.Object
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- org.apache.lucene.search.Query
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- org.apache.lucene.queries.mlt.MoreLikeThisQuery
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- All Implemented Interfaces:
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.
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Constructor Summary
Constructors Constructor Description MoreLikeThisQuery(String likeText, String[] moreLikeFields, Analyzer analyzer, String fieldName)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(Object obj)
Analyzer
getAnalyzer()
String
getLikeText()
int
getMaxQueryTerms()
int
getMinDocFreq()
int
getMinTermFrequency()
String[]
getMoreLikeFields()
float
getPercentTermsToMatch()
Set<?>
getStopWords()
int
hashCode()
Query
rewrite(IndexReader reader)
Expert: called to re-write queries into primitive queries.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)
Prints a query to a string, withfield
assumed to be the default field and omitted.-
Methods inherited from class org.apache.lucene.search.Query
clone, createWeight, extractTerms, getBoost, setBoost, toString
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Method Detail
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rewrite
public Query rewrite(IndexReader reader) throws IOException
Description copied from class:Query
Expert: called to re-write queries into primitive queries. For example, a PrefixQuery will be rewritten into a BooleanQuery that consists of TermQuerys.- Overrides:
rewrite
in classQuery
- Throws:
IOException
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toString
public String toString(String field)
Description copied from class:Query
Prints a query to a string, withfield
assumed to be the default field and omitted.
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getPercentTermsToMatch
public float getPercentTermsToMatch()
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setPercentTermsToMatch
public void setPercentTermsToMatch(float percentTermsToMatch)
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getAnalyzer
public Analyzer getAnalyzer()
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setAnalyzer
public void setAnalyzer(Analyzer analyzer)
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getLikeText
public String getLikeText()
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setLikeText
public void setLikeText(String likeText)
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getMaxQueryTerms
public int getMaxQueryTerms()
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setMaxQueryTerms
public void setMaxQueryTerms(int maxQueryTerms)
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getMinTermFrequency
public int getMinTermFrequency()
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setMinTermFrequency
public void setMinTermFrequency(int minTermFrequency)
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getMoreLikeFields
public String[] getMoreLikeFields()
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setMoreLikeFields
public void setMoreLikeFields(String[] moreLikeFields)
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getStopWords
public Set<?> getStopWords()
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setStopWords
public void setStopWords(Set<?> stopWords)
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getMinDocFreq
public int getMinDocFreq()
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setMinDocFreq
public void setMinDocFreq(int minDocFreq)
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