Package org.apache.lucene.queries.mlt

# Class MoreLikeThisQuery

java.lang.Object
org.apache.lucene.search.Query
org.apache.lucene.queries.mlt.MoreLikeThisQuery

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.

## Constructor Summary

Constructors
Constructor
Description
`MoreLikeThisQuery(String likeText, String[] moreLikeFields, Analyzer analyzer, String fieldName)`

## Method Summary

Modifier and Type
Method
Description
`boolean`
`equals(Object other)`
`Analyzer`
`getAnalyzer()`
`String`
`getLikeText()`
`int`
`getMaxQueryTerms()`
`int`
`getMinDocFreq()`
`int`
`getMinTermFrequency()`
`String[]`
`getMoreLikeFields()`
`float`
`getPercentTermsToMatch()`
`Set<?>`
`getStopWords()`
`int`
`hashCode()`
`Query`
`rewrite(IndexSearcher indexSearcher)`
`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)`
`void`
`visit(QueryVisitor visitor)`

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

`classHash, createWeight, sameClassAs, toString`

### Methods inherited from class java.lang.Object

`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

## Constructor Details

### MoreLikeThisQuery

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

Parameters:
  `moreLikeFields` - fields used for similarity measure

## Method Details

### rewrite

public Query rewrite(IndexSearcher indexSearcher) 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)

### hashCode

public int hashCode()

Specified by:
  `hashCode` in class `Query`

### equals

public boolean equals(Object other)

Specified by:
  `equals` in class `Query`

### visit

public void visit(QueryVisitor visitor)

Specified by:
  `visit` in class `Query`